Symmetricom XLi IEEE 1588 User Manual
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Symmetricom XLi IEEE 1588 User Manual

Symmetricom XLi IEEE 1588 User Manual

Symmetricom xli ieee 1588 clock user guide
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XLi IEEE 1588 Clock
User Guide
997-01510-03, Rev. C, December 2006

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  • Page 1 XLi IEEE 1588 Clock User Guide 997-01510-03, Rev. C, December 2006...
  • Page 2 Timing Test & Measurement 3750 Westwind Blvd. Santa Rosa, CA 95403-1053 http://www.symmetricom.com Copyright © 2006, Symmetricom, Inc. All rights reserved. Printed in U.S.A. All product names, service marks, trademarks, and registered trademarks used in this document are the property of their respective owners.

  • Page 3: Table Of Contents

    Configuring the XLi ........19 XLi IEEE 1588 Clock...
  • Page 4 F44 – N.8 Frequency Synthesizer ......53 F50 – GPS Receiver LLA/XYZ Position ..... . 53 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 5 DHCP enabled/disabled ....... 120 DHCP-assigned IP address, subnet mask and default gateway for the network port 120 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 6 FAQ ..........149 XLi IEEE 1588 Clock...
  • Page 7 Input ..........191 F: World Map of Time Zones: 193 G: Part Numbers 195 H: Sales and Customer Assistance 197 Glossary of IEEE 1588-related Terms 199 Index 201 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 8 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 9: Gps C/A Receiver (87-8028-2) 4

    For example, to measure a PTP slave’s synchronization to the PTP grandmaster, the user connects the PPS output of a PTP slave to the XLi IEEE 1588 Clock and configures F110 to display the time interval between each PPS.

  • Page 10: 1588-Related Specifications

    Only the features listed above are supported for the XLi IEEE 1588 clock. At the time of this writing, none of the other options for the XLi Time and Frequency system are supported on the XLi IEEE 1588 clock. Contact Symmetricom Sales to obtain a special supported configuration of the XLi IEEE 1588 clock. For contact information, please see Sales and Customer Assistance (page 197).

  • Page 11: Network Port ("1588")

    F130 - Precision Time Protocol Status (page 116) • F131 - Precision Time Protocol Network Config (page 119) 1. http://www.symmttm.com/pdf/gps/DS_XLi1588.pdf XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Standard RJ-45 8-pin connector, 100 Base-T Ethernet DIX II (RFC 894) IPV4, IEEE1588, 802.3, ARP, and PING...

  • Page 12: Leds

    Mode (page 58) F119 – GPS Receiver Configuration (page “System Time & Frequency Accuracy” on page for information on selecting an antenna site, mounting the 10). The GPS C/A F53 – GPS Operation 110). XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 13: Specifications

    The XLi comes with the standard TCVCXO oscillator described below. The stability of the following oscillators is dependent on the reference source. For reference source accuracies, see Frequency Accuracy” on page XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 @ 1 sec...

  • Page 14: Standard 110 Vac Power Supply

    +12 V (11.4 to 12.6 V), 45 watts, 0 to 3.8 amps -12 V (–11.4 to –12.6 V) 32 watts, 0 to 2.7 amps Fan: Exhaust 3-6CFM “F73 – Alarm Control / Status” on XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 15: Clock Architecture

    1PPS B Select Time and Clock Recovery Code Input Code Input Figure 1: Functional Timing Block Diagram XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 16.384 MHz Osc. PLL Phase Measurement Clock DPLL 200 MHz PLL Phase Compare Clock Machine...
  • Page 16 Figure 2: Interface Architecture Block Diagram Keypad Backplane Interface Power Power Supply 9-18 VDC 18-36 VDC 36-72 VDC Oscillator Rb Power 10 MHz Power, Vc Power Option T&F CPU User I/O User I/O XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 17: 2: System Specifications

    Output: Wattage: Power Supply Status: Alarm Status LED: Fan: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 95-260 VAC, 47 to 440 Hz 0 °C to +50 °C (+32 °F to +122 °F) 8 °C per hour -55 °C to +85 °C (-67 °F to +185 °F) To 95% non-condensing Maximum 4 km (2.49 mi.

  • Page 18: System Time & Frequency Accuracy

    “F3 – Time & Date” on page Standard 19" EIA Rack System, hardware included 1.75 in. x 17.1 in. x 15.35 in. Standard configuration, without options ~9.25 lb. Fully loaded ~ 10.95 lb XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 19: Standard Inputs And Outputs

    The Ethernet port interface has a standard RJ-45 connector that provides IEEE 802.3 frame 10/100 Base-T Ethernet. See “F100 – Network Port Configuration & XLi Firmware” on page 80. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 RS-232 or RS-422...

  • Page 20: J1 Input - Time Interval - Event Time

    Refer to 1 PPS, 10 PPS, 100 PPS, 1 kPPS, 10 kPPS, 100 kPPS, 1 MPPS, 5 MPPS, 10 MPPS 40-60% ± 10% TTL Levels into 50 Ω Female BNC 10 MPPS XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 21: J3 Input - Auxiliary Reference

    Many IRIG devices only look at the BCD portion of the IRIG frame. Devices that use IRIG A002, B002 and B122 should be able to synchronize with the XLi’s time code outputs. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 1, 5, 10 MHz 1 Vp-p to 10 Vp-p at 1 k Ω...

  • Page 22: Alarm Output

    UL 1950/CSA 22.2 950, Standard for Safety, Information Technology Equipment (ITE) FCC Part 15, Subpart B 89/336/EEC EMC Directive 73/23/EEC Low Voltage Safety Directive IEC 60950 Safety of Information Technology Equipment (ITE) XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 23: 3: Installation And Set-Up

    To accomplish this, the user sets up the GPS antenna, connects it to the GPS receiver in the XLi IEEE 1588 Clock, and configures GPS as its primary reference source. When the XLi IEEE 1588 Clock locks to the GPS reference source, it computes TAI and synchronizes the PTP grandmaster (the IEEE 1588 card).

  • Page 24: Verifying The Site

    2-inch (5.08-cm) diameter PVC pipe or conduit that is rigid enough to withstand high winds without flexing. Use guy wires to stabilize masts longer than 10 ft. (3.048 m). Avoid mounting the antenna on a tower, which requires a specialist to maintain. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 25: Gps Signal Strength Requirements

    36 dB. A 150 foot length of RG-59 coax cable of has a loss of 16-21 dB, which meets this requirement. Abide by the minimum input gain requirements if using other cable types. Additionally, if changing the antenna, abide by the 41 dB gain requirement. Other factors, such as radiation, coverage, XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 26: Making Additional Connections And Powering Up

    VSWR, and input impedance also affect system performance. Symmetricom recommends using the standard 12-volt capable antenna and cable provided with the GPS receiver. Figure 4: GPS Signal Strength Requirements Connect the GPS antenna cable to the GPS receiver’s ANTENNA connector at the rear of the XLi.

  • Page 27: Configuring Network Settings

    The Tracked Satellite List should list four or more “current” GPS satellites. It may take signifi- cantly longer than 20 minutes for four or more “current” GPS satellites to appear if the GPS XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 28: Configuring The Ieee 1588 Card(S)

    (“*”). If an asterisk appears, it means that the GPS receiver is currently unlocked from the GPS satellites, this may indicate a problem with GPS satellite visibility or signal strength. Configuring the IEEE 1588 Card(s) Two versions of the XLi IEEE 1588 clock are currently available: The first version has: •...

  • Page 29: Ptp Slave

    PTP grandmaster over other potential masters. IMPORTANT: If one of the PTP slaves on the timing network is a Symmetricom IEEE 1588 card, the interval for all PTP masters and PTP slaves must be set to 2 SECONDS.

  • Page 30: Rack Mounting The Xli

    PRIMARY.) Note: For XLi IEEE 1588 Clocks with the second IEEE 1588 card in Option Bay 2 (preconfigured a PTP slave, configure the network settings, PTP SYNC INTERVAL, PTP BURST MODE, and PTP SUBDOMAIN. The factory settings are the same as for the PTP master, except the static IP Address is 010.048.000.105 and Clock Configuration is Slave Primary.
  • Page 31 6 cfm of air to pass through the chassis. To maintain recommended operating temperatures, install a rack- cooling fan capable of 100 cfm in heavily loaded racks. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 32 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 33: 4: User Interfaces

    Time Display Press the TIME button on the keypad to display the time only. Use the TIME button to exit the STATUS, MENU, or function displays. The time format is DDD:HH:MM:SS. 200:21:24:09 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 34: Status Display

    “F131 - Precision Time Protocol Network Config” on lists which functions are available from the Menu Display. “F119 – GPS Receiver “F69 – Time Mode” on See “Time Display” on page 25. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 “F74 –...

  • Page 35: Keypad Operation

    Displays the clock status and time. Can be used to exit a function without saving changes. MENU Displays first item in function menu. Use UP/DOWN ARROWs to display other functions. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 35, provides detailed information on all of the XLi’s...

  • Page 36: Keypad Examples

    Abandons all changes and displays to the first screen in the function TIME Abandons all changes, exits the function, and displays the Time Display STATUS Abandons all changes, exits the function, and displays the Status Display XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 37: Command Line Interface

    To maintain security, change the Guest password at installation. If you try to use a function that is not accessible from the guest login, you will see a message such as “Access denied” or “Command canceled”. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 for information on the function commands.

  • Page 38: Logging Out

    NOTICE: THERE IS ALREADY A TELNET SESSION ON THE INTERNET PORT! NOTICE: YOU HAVE TAKEN CONTROL AWAY FROM THE TELNET SESSION! f100 IP:192.168.46.150 SM:255.255.255.0 G:192.168.46.1 >f100 ic f100 IP:192.168.46.150 SM:255.255.255.0 G:192.168.46.1 > F8 - Continuous Time Once-per- XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 39: Web Interface

    Network port session: WELCOME TO SYMMETRICOM NETWORK INTERFACE! USER NAME: operator PASSWORD: ***** NETWORK INTERFACE 192-8001 ALL RIGHTS RESERVED LOGIN SUCCESSFUL! >f100 ic f100 IP:192.168.46.150 SM:255.255.255.0 G:192.168.46.1 >NOTICE: UTILITY MONITOR SESSION HAS TAKEN PRIORITY FROM THIS TELNET SESSION! >f100 ic...

  • Page 40: Sessions

    The XLi supports concurrent user sessions on the web and command line interfaces (on the network or serial port). However, Symmetricom recommends avoiding concurrent administrative user sessions. The XLi’s web server automatically closes inactive web sessions after 30 minutes of inactivity.

  • Page 41: Submitting Changes

    • The NTP option, though mentioned in the Web Interface, is currently unavailable for the standard XLi IEEE 1588 clock. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 F118 – Option Board Configuration (page...
  • Page 42 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 43: 5: Function Reference

    F50 – GPS Receiver LLA/XYZ Position F51 – GPS Antenna Cable Delay F52 – Distribution Cable Delay F53 – GPS Operation Mode F60 – GPS Receiver Satellite List XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Available Description From K,N,S,W Set the time offset for Standard and Local time K,N,S,W Apply a 12 or 24-hour format to the Front Panel Display, to F8, F9, and F90.
  • Page 44 Transfer the SNMP configuration file between the XLi and N,S,W* an FTP server for editing View the status of the factory mode jumper, which is used by factory technicians. Not of interest to most end users. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 45 Please note that the functions marked “Not Supported” are associated with options that are unavailable for the XLi IEEE 1588 clock. While those functions remain in the user interfaces, many references to them have been removed from this manual to avoid confusion. For additional information on these functions, consult the User Guide for the standard XLi Time and Frequency System, available from the XLi Product Information CD-ROM and from http://www.symmetricom.com/media/pdf/manuals/man-xli.pdf.

  • Page 46: F1 - Time Zone Offset

    = line feed character <LF> For example, to set the time zone offset, enter: F1 –8:00<CR> “F: World Map of Time Zones:” on page 193. F1 is the basis for “3: Installation and Set-up” on XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 47: F2 - 12/24 Hour Format

    TAI, the front panel displays “249:10:21:34” once in the morning, and once at night. Note: Symmetricom strongly recommends using only 24 hour notation for the XLi IEEE 1588 Clock. The 12-hour notation counts hours from 1 to 12 twice per day, like a conventional wall clock. The 24-hour notation counts hours from 0 to 23 once per day.

  • Page 48: F3 - Time & Date

    The hours in hh:mm:ss should be given using 24-hour notation (e.g., 6 pm = 18:00). 1. Normally, with the factory configured settings and a good GPS antenna placement. . If the XLi doesn’t have GPS as its primary reference source, use XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 49 = ASCII character for a colon delimiter. = one- or two-digit hours. <hh> = two-digit minutes. <mm> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Request, and F90 – Code Output “F69 – Time Mode” on F8 - Continuous Time...

  • Page 50: F4 - Serial Port Configuration

    Data bits – 8 • Parity – NONE (only available/valid when Data Bits is set to 8) • Stop bits – 1 Command Line To display the Serial Port settings, send: F4<CR> XLi responds: F4<S><RS><SEP><BR><SEP><DB><SEP><P><SEP><SB><CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 51: F5 - Time-Quality Setup

    The rate at which the oscillator counts time is slightly faster or slower than the reference source. The resulting difference, time error, accumulates over time. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 52 To determine if the time quality characters are enabled and what the thresholds are, enter: F5<CR> XLi responds The XLi responds: F5<S><STATE><SEP><FLAG><SEP><FLAG><SEP><FLAG><SEP><FLAG><CR><LF> “IRIG Standard Format A” on page displays the current time error provides the DAC value 192. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 53: F6 - Keypad Lock

    F6. F6 remains available through the keypad at all times. The factory setting for F6 – Keypad Lock is disabled. Command Line To display the Keypad Lock status, send: F6<CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 54: F8 - Continuous Time Once-Per-Second

    They are not available through the keypad display or web interfaces. Function F8 outputs the time-of-year once per second, conditionally followed by a time quality character. F8 is affected by the following functions: • F2 – 12/24 Hour Format (page 39) XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 55: The Format Of The F8 Output String

    The time quality characters can not be modified. F11 - Time Output Format (page 50) F5 – Time-Quality Setup (page 43) XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 to change the format of the F8 output string. to set the four time quality thresholds.

  • Page 56: While Synchronizing To A Reference Source

    322:18:02:31 322:18:02:32. 322:18:02:33* 322:18:02:34* Command Line For example, to initiate Continuous Time once-per-second, enter: F8<CR> The XLi replies: 199:11:19:30<CR><LF> 199:11:19:31<CR><LF> 199:11:19:32<CR><LF> To stop F8 Continuous Time Once-Per-Second, press Ctrl-C on your keyboard. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 57: F9 - Time On Request

    = Time error has exceeded time quality flag 3's threshold = Time error has exceeded time quality flag 4's threshold, or a reference source is unavailable For example, to prepare Time on Request, enter: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 58: F11 - Time Output Format

    <CR> = ASCII Line Feed character <LF> = day-of-year. = hours. = minutes. = seconds. = milliseconds. = colon separator. = time quality character (see the following table) (for F8) (for F9) XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 59 The “:” and “.” separators can be replaced with ASCII characters or suppressed using “X”. For example, to replace the separators with characters, enter: F11 ---D--H--M--S When you check the results by entering “F11”, F11 responds: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 60: F13 - Time Error

    <ERROR> = calculated worst-case error in seconds = carriage return character <CR> = line feed <LF> For example, to display the time error, enter: F13<CR> XLi responds (example): F13 TIME ERROR -0.002932863<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 61: F18 - Software Version Request

    184-8000V50 F27 – FTM III Configuration Note: The FTM III card is currently unavailable as an option for the standard XLi IEEE 1588 clock. F42 – Multicode Output Configuration Note: The Multicode card is currently unavailable as an option for the standard XLi IEEE 1588 clock.
  • Page 62 <ALT> <UNITS> = unit of altitude, “m” for meters = line feed character. <LF> For example, to display the LLA coordinates of the antenna connected to card #2, enter: F50 B1 LLA<CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 63: F51 - Gps Antenna Cable Delay

    When multiple GPS receivers are installed, a separate value can be set for each unique receiver. The factory setting for F51 is +60 ns, which corresponds to the 50-foot (15.24-meter) long RG- XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 64 = nanoseconds (ns or NS for input string). = line feed character. <LF> For example, to see the antenna cable delay for the GPS card in option bay 4, enter: F51 B4<CR> XLi responds: F51 B4 +000060ns<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 65: F52 - Distribution Cable Delay

    • RG-58 – approximately 1.4 ns/foot • RG-59 – approximately 1.24 ns/foot Command Line To display the current distribution cable delay, enter: F52<CR> The XLi responds using the following format: F52<SEP><SIGN><DELAY>ns<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 66: F53 - Gps Operation Mode

    Mode, the receiver averages the position data over time to determine the antenna position and calculate the time precisely and accurately. Keypad While viewing the Status screen on the XLi front panel display, press the following keypad buttons: ENTER 53 ENTER has two modes: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 67 = Option Bay Number, 1 through 4. <N> = one or more space characters. <SEP> <STATUS> = DYNAMIC MODE or AUTO MODE = carriage return character. <CR> = line feed character. <LF> For example, enter: F53 B1 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 68: F60 - Gps Receiver Satellite List

    Use Serial Function F60 to request a list of all, current, and tracked satellites. To display the list, enter a string using the following format: See “GPS Signal Strength Requirements” on page 17. “F118 – Option Board XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 69 F60 B1 prn11 unknown F60 B1 prn12 unknown F60 B1 prn13 good current F60 B1 prn14 unknown F60 B1 prn15 unknown F60 B1 prn16 unknown F60 B1 prn17 unknown XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 -159dBW -162dBW -163dBW -161dBW -159dBW...
  • Page 70 F60 B1 prn30 unknown F60 B1 prn31 unknown F60 B1 prn32 unknown Similarly, to display a list of the current or tracked satellites, enter: F60 B1 CURRENT<CR> F60 B1 TRACKED<CR> -164dBW -156dBW XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 71: F66 - Daylight Saving Time (Dst) Mode

    = line feed character. <LF> For example, to disable DST, enter: F66 Off<CR> XLi responds: OK<CR><LF> To enable DST and set the DST entry and exit times, use the following format: F66 MANUAL<INHOUR><SEP><INWEEK><SEP><INDAY><SEP><INMONTH><OUTHOUR> <SEP> <OUTWEEK><SEP><OUTDAY><SEP><OUTMONTH><CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 72 The XLi automatically reboots when the user changes the DST entry/exit times in F66. If any of the items in an input string are invalid, an error message will be returned. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 73: F69 - Time Mode

    PTP slave expects TAI from PTP. The factory default for the XLi IEEE 1588 clock is TAI. 1. When F69 is configured for Local or GPS time, the display, the CODE output, F8, and F9 all output Local or GPS time respectively.
  • Page 74 XLi gives one of the following responses: F69 GPS <CR><LF> F69 UTC <CR><LF> F69 LOCAL <CR><LF> F69 STANDARD <CR><LF> F69 TAI <CR><LF> To set the time mode, enter a command using the following format: F69<S><TT><CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 75: F71 - Oscillator Statistics

    Drift Rate of the oscillator. The oscillator DAC value is the signed 16-bit integer that controls the DAC output voltage. It ranges from 0 to 65536. Command Line To display the F71 settings, enter: F71<CR> XLi responds using the following format: F71<S>phase=<SIGN><MULT>E<SIGN><EXP><S>s<S><S>offset=<SIGN><MULT>E<SIGN><EXP><S><S>dr ift=<SIGN><MULT>E<SIGN><EXP>/DAY<S><S>DAC=<SIGN><INT><CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 76: F72 - Fault Status

    Primary power supply – OK or failed • Secondary power supply – OK or failed • Rubidium oscillator (if installed) – OK or fault Command Line To display the status of the fault detectors, enter: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 77: F73 - Alarm Control / Status

    F73 – Alarm Control / Status Use function F73 to do the following: • See the state of an indicator (“Locked/Unlocked” or “OK/Fault”) • Enable or disable the alarm for each indicator XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 LOCKED...
  • Page 78 Timeout Delay Power-On Alarm Suppress NTP Fault (XLi w. NTP option) Clear Alarm Latch Note: The Rubidium Oscillator and NTP option are currently unavailable for the standard XLi IEEE 1588 clock. Status Factory Setting (for XLi without option cards) Locked/Unlocked...
  • Page 79 Timeout Delay countdown from the beginning. In other words, Timeout Delay countdown does not keep track of the cumulative duration of multiple Time Error faults. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 See “Power On Alarm Suppress” on page 72.
  • Page 80 = ASCII character 7 = ASCII character 3 = ASCII space character one or more. <SP> = one or more separators characters, space, tab, or comma. <SEP> ∗ GPS PRI OK ALARM ENABLED XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 81 = '-' First time lock OK 'a' Clock has locked since power on but still within the user defined power on time out 'A' Clock has not locked since power on = '-' Time error OK XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 82 The command line uses a ‘mask’ to enable or disable each indicator’s alarm. To see which indicators are Alarm Enabled, enter: F73<S>MASK<CR> XLi replies: F73<S>MASK<SEP>M<12346789ABCDE><CR><LF> where: ‘E’ = enabled ‘D’ = Disabled XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 83 F73<S>MASK<SEP><123456789ABCDE><CR> For example, to enter new mask settings, enter: F73 MASK DDE-EEEEEEEEEE XLi replies: To verify the changes, enter: F73 MASK XLi replies: F73 MASK DDE-EEEEEEEEEE XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 One GPS receiver Two GPS receivers...
  • Page 84 To enable LED Blink, enter: F73<S>BLINK<SEP> ENABLE<CR> XLi responds: OK<CR><LF> To disable LED Blink, enter: F73<S>BLINK<SEP> DISABLE<CR> To view the Power-On Alarm Suppress setting, enter: F73<S>SUPPRESS<CR> <nanoseconds> (Range 0 to 99,999 ns), as follows: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 85: F74 - Clock Source Control

    XLi will use an Aux Ref frequency input on J3 page 104) as its reference. If references are available, the XLi “freewheels” on its internal oscillator. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 , enter: (“F113 – J3 Input Configuration (Aux Ref)”, for more information.)

  • Page 86: F90 - Code Output Configuration

    F90 – Code Output Configuration Use function F90 to configure the time code output format (IRIG-A, IRIG-B, or NASA 36) and modulation type (AM or DC) on the XLi’s standard CODE output. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 87 F90 IRIG-B AM<CR><LF> To change the Code Output selection enter: F90 IRIG-B DC<CR> XLi responds: OK<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 selects between a 12 or 24-hour time format. selects between the following time scales: Local, Standard, GPS,...

  • Page 88: F100 - Network Port Configuration & Xli Firmware

    Enabling Remote Lockout limits users to the front-panel keypad or Serial I/O port. • Flash CRC: Status - Passed or failed. • RAM: Status - Passed or failed. • Serial: Status - Passed or failed. • Version Test: Status - Passed or failed XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 89 Leading zeros may be omitted when entering IP Address, Subnet Mask, and Default Gateway. Any field may be omitted and order is not significant. Blanks are allowed on either side of a colon. The unit reboots after any network parameter is changed. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Comments...

  • Page 90: F100 Ea - Ethernet Address

    Address is not the same thing as an IP Address), a fixed, six-byte, hexadecimal value specific to the unit’s standard network port. The first three bytes are registered to Symmetricom Inc.; the last three bytes are the hex value identifying the network port.

  • Page 91: F100 Sm - Subnet Mask

    F100 IP – IP Address Use function F100 SM to display or configure the Subnet Mask. To set the Subnet Mask and restart the unit, enter: F100<S>SM<S><nnn.nnn.nnn.nnn><CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 section, directly above this one. IP:192.168.46.150...

  • Page 92: F100 G - Gateway

    F100 IP – IP Address Use function F100 G to display or configure the Default Gateway. To set the Default Gateway and restart the unit, enter: F100<S>G<S><nnn.nnn.nnn.nnn><CR> section, which starts on page XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 93: F100 Ic - Network Port Settings

    The BASET command displays the data rate of the Ethernet port. On the current version of the Main CPU card (87-8000) running the current system software version, the user also has the option of XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 94: F100 L/Lock/Unlock - Remote Lockout

    To unlock F100 L or F100 LOCK, use the serial port command line interface or the keypad display. To lock the unit from a remote location, enter: F100 LOCK<CR> H: Sales and XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 95: F100 L - Remote Lockout

    To view the lock setting for remote access, enter: F100 L<CR> where: = ASCII character F = unit function number = space <S> = specify L command <CR> = input line terminator XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 96: F100 St - Self Test Status

    To query the self-test status, enter: F100<S>ST<CR> where: = ASCII character F = unit function number = space <S> = specify ST command <CR> = input line terminator The XLi responds: F100<S>ST<S>FLASH/CRC:<S><STATUS>,<S>RAM:<S><STATUS>,<S>SERIAL:<S><STATUS>, <S>NVRAM<S>VER:<S><STATUS><CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 97: F100 Bh - Burn Host

    F100 BUB – Burn BootLoader Note: See “B: Upgrading System Firmware” on page 145. When upgrading the system firmware, use function F100 BUB to burn the BootLoader, to write the BootLoader to flash memory. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 98: F100 Bu - Burn

    And, for example, displays the following text: >f100 bu BURNING FILE 192-8001.bin WITH SIZE 803016 TO PARTITION:1 SECTOR:10 SEC: 10 RE: 0 SEC: 11 RE: 0 SEC: 12 RE: 0 SEC: 13 RE: 0 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 99: F100 Bf - Burn File System

    F100 BH to the flash memory. Prior to issuing the F100 BUFP command, the host computer must be setup as an FTP server with the new FPGA program file stored on the FTP server. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 100: F100 Config - Configure Ntp & Snmp

    F100 CONFIG – Configure NTP & SNMP Note: The NTP option is unavailable for the standard XLi IEEE 1588 clock. NTP-related information has been removed from this section of the manual. Note: Symmetricom recommends using the Web Interface (versus than F100 CONFIG) as the most conve- nient method for editing the SNMP configuration file.

  • Page 101: F100 J - Factory Mode Jumper

    0 means the jumper is not. The factory mode jumper can be identified because it is the only three-prong jumper on the CPU card, and is labelled “J3”. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 102: F100 K I L L - Reboot

    Units are shipped to the customer with no jumper installed. The jumper is used by Symmetricom technicians to test and configure the unit. With this jumper installed, the operation and integrity of the XLi are compromised. Warning: Please do not run the XLi with the jumper, unless specifically directed to do so by a qualified Symmetricom technician.

  • Page 103: F100 P - Change User Password

    FOUND @ ADDR 30004000H, ID NUM= 86H SCAN_FOR_OPT_CARD ENDS. INSTALL_SMART_OPTIONS BEGINS. FOUND GPS CARD; QTY=1, ID#=8013H. INSTALL_SMART_OPTIONS ENDS. QUERYING FOR SYMMETRICOM DEVICE. PLEASE WAIT... SYMMETRICOM GPS DEVICE. INITIALIZATION SUCCESSFULLY COMPLETED. > F100 P – Change User Password Use function F100 P to change a user password. In a network port session, F100 P changes the password of the user you logged in as;...

  • Page 104: F100 Pi - Ping

    XLi’s own IP Address, and tests whether the XLi’s network port has a good network connection. To ping a known host, enter: F100 PI<S><IP Address><CR> For example: F100 PI 206.254.000.021<CR> The unit responds (example): PING 206.254.000.021: REMOTE HOST FOUND.<CR><LF> PING 206.254.000.021 : REMOTE HOST NOT FOUND.<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 105: F100 Pn - Change User Name

    In this case, the new user name will be used for the next login using the command line interface. However, if the new user name is entered differently the second time, The XLi responds: ERROR: USER NAMES DO NOT MATCH. NEW USERNAME REJECTED!<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 106: F108 - Oscillator Configuration

    Use the F100 PN or F100 P commands as needed and then reboot the XLi again. F108 – Oscillator Configuration Note: The standard XLi IEEE 1588 clock features a TCVCXO oscillator. Other oscillator types are unavail- able as options for the standard XLi IEEE 1588 clock.

  • Page 107: F110 - J1 Input (Tiet)

    1588 clock. Note: Using time code as a reference source is not supported for the XLi IEEE 1588 Clock. F110 can configure the J1 input port on the Main CPU card as a time code reference source for the system clock, or it can configure J1 as the input for TIET operation.
  • Page 108 F110 can configure the J1 input port to IRIG-A, IRIG-B, NASA 36, TIET Time or TIET Event. Use F110 to enter or request the J1 Input Configuration. To request the J1 Input Configuration, enter: F110<CR> The function responds with the ASCII character string: “F3 – Time & Date” on page XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 109 For example, enter: F110<CR> The XLi responds (example): F110 IRIG B PRIMARY 50 DC NEGATIVE 66161 us SYNC GEN OFF<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Ω impedance is selectable with DC type only) Ω...

  • Page 110: F111 - J2 Output (Rate)

    (Event Timing display continues until function termination with Ctrl+C) F111 – J2 Output (Rate) Note: PPO is currently unavailable as an option for the standard XLi IEEE 1588 clock. PPO related infor- mation has been removed from this section. XLi IEEE 1588 Clock...
  • Page 111 = Line terminator: a carriage return and line feed for output strings, or a carriage return <CR><LF> for input strings Depending what F111 is currently set up to do, the sample request: F111<CR> Displays a fixed 10 PPS rate output (example): F111 RATE 10PPS<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 112: F113 - J3 Input Configuration (Aux Ref)

    OK<CR><LF> F113 – J3 Input Configuration (Aux Ref) Note: Freq Meas is currently unavailable as an option for the standard XLi IEEE 1588 clock. Most of the Freq Meas related information has been removed from this section. Use function F113 to configure the J3 Input for one of the following settings: •...
  • Page 113 = line terminator, either a carriage return and line feed for output strings or a carriage return only for <CR><LF> input strings. For example, enter: F113<CR> The XLi displays the current configuration (example): XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 114: F116 - Display Brightness Level

    Use function F116 to adjust the brightness of the front panel display on a range from 1 to 10, with 1 being the dimmest and 10 being the brightest. Note: F116 is available from the keypad/display only. It is not available using the command line inter- face. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 115: F117 - Factory Configuration

    F117 – Factory Configuration Note: The standard XLi IEEE 1588 clock includes the TIET option as a standard feature. The other optional software features, NTP, FREQ MEAS, and PPO, are unavailable for the standard XLi IEEE 1588 clock. Use function F117 to display the XLi factory Serial Number and the availability of optional software features.

  • Page 116: F118 - Option Board Configuration

    Note: The standard XLI IEEE 1588 Clock includes a card. Other option cards are currently unsupported for the standard XLI IEEE 1588 clock. Use function F118 to query the XLi for the option bay location of CPU-aware cards. The following figure shows the position of the option bays as seen when viewing the XLi from the rear.
  • Page 117 F118 B3 NOT RECOGNIZED F118 B4 GPS RECEIVER F118 B5 NOT RECOGNIZED F118 B6 NOT RECOGNIZED F118 B7 NOT RECOGNIZED F118 B8 NOT RECOGNIZED F118 B9 NOT RECOGNIZED F118 B10 NOT RECOGNIZED XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 118: F119 - Gps Receiver Configuration

    F119 – GPS Receiver Configuration Note: The standard XLi IEEE 1588 clock features the are currently unavailable as options for the standard XLi IEEE 1588 clock. Summary Use function F119 to select a specific GPS receiver, display its status information, and configure it as a reference source.
  • Page 119 GPS satellite visibility and signal strength affect the ability of the GPS receiver to lock and provide valid time to the XLi. Therefore, it is very important to select the best possible antenna site. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 120 The system is resolving its position so that it can compensate for position changes. Command Line To obtain the status of the GPS Receiver, enter: F119<S>B<N><SEP>S<CR> “F53 – GPS Operation Mode” on page GPS PRI 58.), the C/A Receiver has the XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 ”). 58).
  • Page 121 <CR><LF> = line terminator, either a carriage return and line feed for output strings or a carriage return only for input strings. For example: F119 C<CR> XLi responds: F119 B1 PRIMARY<CR><LF> To change the configuration of the GPS receiver as a primary or secondary reference source, enter: F119<S>B<N><S>C<S><CONFIG><CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 122: F120 - N.1 Frequency Synthesizer

    Note: The N.1 card is currently unavailable as an option for the standard XLi IEEE 1588 clock. F123 – Have Quick Input/1 PPS Sync Configuration Note: The HaveQuick/1 PPS Sync card is currently unavailable as an option for the standard XLi IEEE 1588 clock.

  • Page 123: F126 - Options Key Entry

    F126 – Options Key Entry Note: The TIET option is included in the standard XLi IEEE 1588 clock. The Freq Meas, PPO, and NTP options are currently unavailable for the standard XLi IEEE 1588 clock. Use function F126 to enter the Options Key, which enables certain functions (e.g., PPO, TIET, NTP, FREQ MEAS) if the correct key is entered.

  • Page 124: F130 - Precision Time Protocol Status

    F130 - Precision Time Protocol Status Note: The IEEE 1588 card becomes available in the user interface after the XLi IEEE 1588 Clock has been operating for approximately 3 to 5 minutes. Use F130 to obtain the following information about the IEEE 1588 card: •...
  • Page 125 If this option card is a PTP SLAVE, the following information will be provided: SLAVE CLOCK SYNCHRONIZED: LOCKED<CR><LF> ( or UNLOCKED) PTP UUID (MAC ADDR) : 00:A0:69:00:E3:F4<CR><LF> PTP TECHNOLOGY: ETHERNET<CR><LF> PTP NUMBER OF PORTS: 1<CR><LF> PTP STRATUM: 2<CR>LF> PTP CLOCK ID: GPS<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 126 = Option Bay Number, 1 through 4. = ASCII letter denotes PTP status to follow. <LT> = line terminator, either a carriage return and line feed for output strings or a carriage return only for input strings. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 127: F131 - Precision Time Protocol Network Config

    F131 - Precision Time Protocol Network Config Note: The IEEE 1588 card becomes available in the user interface after the XLi IEEE 1588 Clock has been operating for approximately 3 to 5 minutes. Use F131 to view the status of and configure the following items on the IEEE 1588 card: •...

  • Page 128: Dhcp Enabled/Disabled

    PTP slaves. Set the PTP Sync message interval to the same value on PTP masters and slaves. The default factory setting is “2 seconds”. IMPORTANT: If one of the PTP slaves on the timing network is a Symmetricom IEEE 1588 card, the interval for all PTP masters and PTP slaves must be set to 2 SECONDS.

  • Page 129: Ptp Burst Mode Enabled/Disabled

    The other settings remain unchanged. The default setting is “No”. PTP initialize to user entered values Re-initializes the PTP node and keeps the current parameter settings: The default factory setting is “No”. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 130: Ptp Master Or Slave (Pri/Sec/Stby)

    Configures the PTP node as a PTP master or slave and determines its role as a reference source: • PTP MASTER - the IEEE 1588 card gets its time from the XLi IEEE 1588 Clock and functions as a PTP master on the timing network.
  • Page 131 The following list is a summary of the F131 commands: Request a summary of all PTP settings: F131 B<N> >F131 B4 ERROR: INVALID COMMAND! 1. Only displayed when PTP CLOCK CONFIG, BAY # is SLAVE PRI/SEC/STBY XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 132 Initialize the PTP Protocol to the user-entered settings: F131<SP>B<N><SP>INIT<CR> Request the configuration of the PTP reference clock: F131<SP>B<N><SP>C<CR> Enter the PTP reference clock configuration for the PTP clock Master/Slave and Pri/Sec/Stby: F131<SP>B<N><SP>C<SP>MS<SP>PSS<CR> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 133: Request A Summary Of The Ptp Card Configuration

    For example, enter: F131 B<N> IC The XLi responds: F131 IP:206.54.47.21 Set Internet Configuration settings To get the Internet Configuration (IC), enter: F131<SP><N><SP>IC For example, enter: F131 B4 IC XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SM:255.255.255.0 G:206.54.47.1 (STATIC)<CR><LF>...

  • Page 134: Set The Ip Address

    To set the Subnet Mask, enter: ASCII character F unit function number space ASCII letter to denote Option Bay number follows Option Bay Number, 1 through 4. specify Internet Protocol command dotted decimal address XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 135: Set The Default Gateway

    = ASCII letter to denote Option Bay number follows <N> = Option Bay Number, 1 through 4. = specify Default Gateway command nnn.nnn.nnn.nnn = dotted decimal address For example, enter: F131 B4 G 206.54.47.1 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 136: Setting The Internet Configuration

    To get the DHCP setting, enter: F131 B<N> DHCP Response (example): F131 B4 DHCP ENABLE IP:10.13.0.100 SM:255.255.0.0 G:10.13.0.1<CR><LF> Use the following format to enable or disable DHCP on the PTP card’s network port: F131 B<N><SP>DHCP<SP><SET> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 137: Get Ptp Protocol Settings

    To get PTP protocol settings, use the following format: F131 B<N> PROTOCOL<CR> For example, enter: F131 B4 PROTOCOL Response: F131 B4 PROTOCOL 27 ENABLE ENABLE<CR><LF> To set the PTP protocol settings, use the following format: F131 B<N><SP>PROTOCOL<SP><SI><SP><BS><SP><PS> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 (or DISABLE)

  • Page 138: Request The Ptp Subdomain Name

    F131 B<N> SDN<CR> For example, enter: F131 B4 SDN Response (example): F131 B4 SDN _DFLT <CR><LF> Set the PTP Subdomain Name To set the PTP Subdomain Name, use the following format: F131<SP>B<N><SP>SDN<SP>SUBDOMAIN XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 139: Reset The Ptp Parameters To The Factory Default Settings

    Each time the user changes any PTP setting using F131, the user must enter this command for the changes to take effect. To initialize the PTP Protocol to user-entered values, use the following format: F131 B<N> INIT<CR> For example, enter: F131 B4 INIT XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 140: Configuring The Ptp Reference Clock Settings

    OK - Ref Clock Configuration has been received and applied by the PTP Option Card Note: The PTP reference clock configuration settings are saved in XLi NVRAM so they can be used to initialize the PTP option card with Master/Slave and Pri/Sec/Stby selections at XLi power-up. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 141: Request The Ptp Slave Synchronization Threshold

    ERROR - PTP Clock is not a slave, cannot set SST. Note: The PTP slave sync threshold are saved in XLi NVRAM so they can be used to initialize the PTP option card with the allowed slave sync threshold at XLi power-up. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 142: Request The Ptp Preferred Master Clock Configuration

    Use Serial/Network port F131 B<N> S command to review all of the PTP Option Card Protocol Parameters status. To obtain the PTP Network Parameters status, send the following command to the XLi serial/network port: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 143 For example, enter: F131 B4 S Response: F131 B4:<CR><LF> PROTOCOL: BURST DISABLE SDN: _DFLT<CR><LF> CLK CONFIG: SLAVE PRI<CR><LF> SLAVE SYNC THRESHOLD: PREFERRED MASTER: ENABLE<CR><LF> XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 PORT<CR><LF> ENABLE <CR><LF> microsec<CR><LF>...
  • Page 144 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 145: 9: Xli-Generated Messages

    ERROR: Can’t create netdevice <NAME> The XLi can not create the device needed to map the host to a drive. Recovery Action: Restart the Unit. If this error message persists, contact Symmetricom Technical Customer Service. ERROR: Can’t set host <NAME> ip <ADDRESS>...
  • Page 146 Recovery Action: Verify correct parameter values. If correct, restart the XLi. If this error message persists, contact Symmetricom Technical Customer Service. ERROR: Action (get or set) is not specified You have omitted the “get” or “set” parameter from the F100 NTP Configuration command.

  • Page 147: Informational Messages

    A command has just been executed that requires a soft restart of the XLi. The restart happens immediately after this message is sent. Command accepted and processed as specified. Goodbye. The XLi has just terminated a session. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 148 This page was intentionally left blank. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 149: A: Using F100 Configuration

    A: Using F100 Configuration Configuring SNMP Parameters Note: The NTP option is currently unavailable for the standard XLi IEEE 1588 clock. F100 CONFIG instructs the XLi unit to transfer SNMP configuration file to an FTP server so the user can edit it.

  • Page 150: Copy The Configuration Files To The Ftp Server

    Some text editors encode end-of-line carriage returns that cause errors when XLi refers to the file. Notepad, WordPad, Microsoft Word, and Vim don't seem to have this problem. if you need instructions for connecting to the com- XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 151: Move The Configuration Files Back To The Xli

    If you get “Error: Can’t open source file”, verify that the FTP server’s <<Local Server>> is running. After XLi receives the configuration files, it reboots, and goes through the normal startup process. End of Procedure XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 152 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 153: B: Upgrading System Firmware

    Consideration must be given to the firmware and the hardware version numbers of the XLi and it’s optional com- ponents. Consult with Symmetricom’s Customer Service department before performing upgrades. This section explains how to completely upgrade the system firmware. This is done using the F100 BH, F100 BUB, F100 BU, and F100 BF commands.

  • Page 154: Upgrade The Firmware

    Enter the following command: F100 bh <IP_address> <relative_path>/<file.bt> For example: F100 bh 192.168.49.120 /192-8000.bt XLi responds: BURN HOST IS READY<CR><LF> Then ‘burn’ the bootloader to the XLi’s flash memory by entering: F100 bub XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 155 SEC: 20 RE: 0 SEC: 21 RE: 0 SEC: 22 RE: 0 FLASH SUCCESSFULLY PROGRAMMED CRC32 = 0x2D9A260A Then do the same for the ‘file system’ (.fs) file: F100 bh <IP_address> <relative_path>/<file.fs> For example: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 156: Troubleshooting

    Message: >Can't set the burn host - wrong IP address Cause: The IP address entered for the FTP server is incorrect. Check that you've entered the IP address of the FTP server (not the XLi) and re-enter if necessary. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 157: Faq

    ” number is the firmware version number. The “ PROJ REV system version number, which may not be the same as the firmware version number. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 ” number in “ ” is the file...
  • Page 158 Do away with the null modem cable. Telnet to the unit over the network. Use a regular PC instead of the laptop. The PC is connected to a grounded power supply and doesn’t cause this problem. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 159: C: Snmp

    FROM SNMPv2-SMI DisplayStringFROM SNMPv2-TC; symmetricomTtm MODULE-IDENTITY LAST-UPDATED "0302270000Z" ORGANIZATION "SYMMETRICOM" CONTACT-INFO "Technical Support" DESCRIPTION "Symmetricom, Test Timing and Measurement Enterprise MIB" ::= { symmetricomTtmEnt 0 } symmetricomTtmEnt trapMsg ntsControl acts products nic56k trapMsgColdStart OBJECT-TYPE SYNTAX DisplayString (SIZE (0..255)) MAX-ACCESS read-only...
  • Page 160 TrueTime time server's detects a chan in time synchronization types. check peer and the server is not in a system alarm condition." ::= { trapMsg 7 } The message is 'SNMP Authentication Failure Trap Where ###.###.###.### is the doted XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 161 Note: outgoing NTP packets will have their leap indicator field set to ntpSysLeap." ::= { ntp 5 } ntpEstErr OBJECT-TYPE SYNTAX INTEGER (0..2147483647) MAX-ACCESS read-only STATUS deprecated XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 This is a subset of This variable is related to...
  • Page 162 2^6 or 64 seconds. Note: a primary time server's outgoing NTP packet Note: a primary time server's For example a value of 6 means Usually, this value However, when XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 163 ASCII string. While not enumerated as part of the NTP specification, the following are suggested ASCII identifiers: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Note: this field is equal Note, unless this is a time...
  • Page 164 VLF radio (OMEGA, etc.) LORAN-C radionavigation GOES UHF environment satellite GPS UHF satellite positioning ACTS telephone modem dial-up Inter-Range Instrumentation Group signal Use this variable for SNMP gets See ntpControlInpuut above." " XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 165 Earth's center of mass. of the ellipsoid is not necessarily the same as sea level. ellipsoid surface may be as much as 100 meters different from actual XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 Because of the high frequency See section 3.20 of the...
  • Page 166 300 or 1200 baud. where faster is not better and 300 baud yields the best time accuracy." To calculate the longitude in radians use the (300), Note: this is a rare case " The ACTS XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 167 "Number of times the time server called the ACTS dial-up service and successfully received the time." ::= { acts 7 } actsBadCalls OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS deprecated DESCRIPTION "Number of times the time server called the ACTS dial-up service XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 "...
  • Page 168 "The syntax of the reply from remote modem was incorrect, possibly due to line noise." This variable is the sum total of all If this is " This may be " No modem was XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 169: Xlimaincard-Smiv2.Mib

    "Total number of NTP packets passed from the NTP application layer to the transport layer." ::= { ntp 2 } ntpInErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 FROM SNMPv2-SMI FROM SNMPv2-TC "0205200000Z" "SYMMETRICOM INC." "Technical Support"...
  • Page 170 ::= { ntp 6 } ntpSysLeap OBJECT-TYPE SYNTAX INTEGER noLeapWarning lastMinuteHas61Secs lastMinuteHas59Secs alarmCondition MAX-ACCESS read-only STATUS current DESCRIPTION This is a subset of This variable is related to Usually, this value (1), (2), (3), However, when XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 171 0 when not in NTP broadcast mode. server initiated NTP packet, the value of the poll equals the value set in the incoming packet." ::= { ntp 10 } ntpSysPrecision OBJECT-TYPE XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 (1), (2), (4),...
  • Page 172 ASCII identifiers: StratumCode Meaning ----------- ------- DCN routing protocol NIST NIST public modem TSP time protocol Digital Time Service Note that this variable can take on both Note: A primary time XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 173: Xli-Smiv2.Mib

    ACTS telephone modem dial-up IRIG Inter-Range Instrumentation Group signal Note, for Symmetricom time servers only GPS, ACTS, and IRIG are presently used. Further, a primary time server's outgoing NTP packet will have its reference identifier field set to ntpSysRefClockIdent." ::= { ntp 14 } xli-SMIv2.mib...
  • Page 174 (1), true (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13), (14) XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 175 "Setting to <latchClear> clears the latched fault indicators." ::= { systemFaultConfigData 1 } configDataThreshold OBJECT-TYPE SYNTAX Unsigned32 (0..99999) MAX-ACCESS read-write STATUS current DESCRIPTION "The time error threshold, in nanoseconds, at which the time error fault is activated." XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 176 ::= { systemFaultConfigMasks 3 } maskSecondaryRefClk OBJECT-TYPE SYNTAX FaultMaskType MAX-ACCESS read-write STATUS current DESCRIPTION "If enabled, an alarm can be triggered when the secondary reference clock lock status changes." ::= { systemFaultConfigMasks 4 } XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 177 ::= { systemFaultConfigMasks 9 } maskDac OBJECT-TYPE SYNTAX FaultMaskType MAX-ACCESS read-write STATUS current DESCRIPTION "If enabled, an alarm can be triggered when the digital to audio converter status changes." ::= { systemFaultConfigMasks 10 } XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 178 ::= { systemFaultHistory 1 } faultLpnPllOBJECT-TYPE SYNTAX Boolean MAX-ACCESS read-only STATUS current DESCRIPTION "TRUE, if a LPN PLL fault occurred since the fault latch was cleared." ::= { systemFaultHistory 2 } XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 179 ::= { systemFaultHistory 7 } faultSecondaryPower OBJECT-TYPE SYNTAX Boolean MAX-ACCESS read-only STATUS current DESCRIPTION "TRUE, if a secondary power fault occurred since the fault latch was cleared." ::= { systemFaultHistory 8 } XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 180 ::= { systemFaultHistory 13 } faultNtp OBJECT-TYPE SYNTAX Boolean MAX-ACCESS read-only STATUS current DESCRIPTION "TRUE, if NTP was in an alarm since the fault latch was cleared." ::= { systemFaultHistory 14 } statusClock OBJECT-TYPE XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 181 STATUS current DESCRIPTION "Gives the current status of the PLL synthesizer." ::= { systemStatusDetail 1 } statusLpnPllOBJECT-TYPE SYNTAX INTEGER { unlocked(1), locked MAX-ACCESS read-only XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 locked(1), clockIrigA (1), clockIrigB (2), clockIrigG (3), clockNasa36...
  • Page 182 SYNTAX INTEGER { fault MAX-ACCESS read-only STATUS current DESCRIPTION "Gives the current status of the auxiliary reference clock." ::= { systemStatusDetail 6 } statusPrimaryPower OBJECT-TYPE SYNTAX INTEGER { fault (1), (1), (1), (1), (1), XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 183 (2)- indicates the clock has locked since power on but is still within the power on suppress timeout. (3)- indicates the clock has not locked since power on." ::= { systemStatusDetail 11 } XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 (1), fault...

  • Page 184: Editing Snmp.conf

    An example “snmp.conf” file might look like the following, with each string that follows NAME= appearing as a single line in the text file: MIB=/config/ttmib.o, GenTraps=YES, NAME=public,VIND=1,TRAP=YES,ACCESS=R,IP=010.001.007.065,IP=000.0 00.001.000,IP=000.000.000.000,IP=000.000.000.000,ENDC, NAME=private,VIND=1,TRAP=YES,ACCESS=W,IP=010.001.007.065,IP=000. 000.000.000,IP=000.000.000.000,IP=000.000.000.000,ENDC, NAME=,VIND=0,TRAP=NO,ACCESS=R,IP=000.000.000.000,IP=000.000.000. 000,IP=000.000.000.000,IP=000.000.000.000,ENDC, (1), fault }MAX-ACCESS read-only (1), fault (1), fault XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 185: Snmp Private Enterprise Mib Structure

    1.3.6.1.4.1 is fixed by the IANA (Internet Assigned Number Authority) and is the address of the SNMP Private Enterprise MIB’s. The 1896 is the address assigned by IANA to Symmetricom for our Enterprise MIB’s. Symmetricom assigns the addresses after that at our discretion and design.
  • Page 186 For the XLi, groups 1, 2, 3, 4 and 5 have been deprecated and a new group 6, products, has been added. For the XLi and future Symmetricom products, groups 1 through 5 will be absent from the XLi Enterprise MIB definition supplied with the unit. The top structure for the XLi is:...

  • Page 187: Xli System Group

    The first is a general view specifying if the clock is operational. The second is a detailed view containing the current status of each system component. The xliFault and xliStatus groups are described below. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 188: The Xli Fault Group

    = 2 systemFaultHistory = 3 = 10 = 11 = 12 = 13 = 14 = 10 = 11 = 12 = 13 = 14 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 189: The Xli System Status Group

    The XLI systemStatus group is used to provide a current operational view of the system. The systemStatusGeneralGroup gives on overview of the system status, including the status of the clock and XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 xliSystem = 1...

  • Page 190: Xli Maincard Group

    This section outlines the possibilities for future expansion of the TrueTime Enterprise MIB. The general overview is that new objects may be added to any location. Existing objects may not be altered in order XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 191: Glossary Of Snmp-Related Terms

    MIB – Management Information Base: This is the data structure for the SNMP protocol. The current version of this standard, that is in general use, is MIB II defined by RFC’s 1213 and 1212. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 192: Configuring And Testing Snmp

    MIB II into the private data for that organization. Only one Enterprise address is assigned to an organization. The Enterprise address for Symmetricom is 1896. This address space has grown to over 12,000 private addresses and Symmetricom is by comparison one of the earlier adopters of SNMP with an Enterprise MIB! RFC –...
  • Page 193 Then click the “Add” button. Back up to “xli -> xliSystem -> systemStatus - > systemStatusDetail”. Select all items under “systemStatusDetail” and then click the “Add” button. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 194: Xli Configuration

    In the “Browse MIB” popup descend the MIB tree to “iso -> org -> dod -> private -> enterprises -> trueTimeEnt -> products -> xli -> xliSystem -> systemFault -> systemFaultConfig -> systemFault- ConfigMasks” by clicking the “+” symbol next to each entry. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 195 3. Verify in the “All Alarms” popup that there is an entry of the form: Normal Thu Mar 21: 14:30.09 192.168.11.218 XLI system trap: [1] private.enterprises.trueTimeEnt.products.xli.alarmDataIpAddr.0 (IpAddress) 192.168.11.218 [2] private.enterprises.trueTimeEnt.products.xli.alarmDataTimeStamp.0 (OctetString): HH:MM:Ss UTC [3] private.enterprises.trueTimeEnt.products.xli.alarmDataCode.0 (Integer): alarmPrimaryPower [4] private.enterprises.trueTimeEnt.products.xli.alarmDataDescriptorStr.0 (OctetString): F73 S LP LL----PSR--- XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 196 This page was intentionally left blank. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 197: E: Time Code Formats

    A zero is 0.2 of the duration of an element, a one is 0.5 of the duration of an element and a position identifier or reference marker is 0.8 of the duration of an element. A reference marker locates the XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 http://jcs.mil/RCC/manuals/200/...

  • Page 198: Irig-B Time Quality Flags

    The NASA 36 time code is similar to the previously mentioned IRIG codes. The NASA 36 code frame also contains 100 bit elements like the IRIG codes. In the strict sense, NASA 36 encodes Universal XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 199: Nasa 36

    Input The XLi can also synchronize and lock to the following NASA 36 input codes. NASA 36 (AM):1 KHz sine wave amplitude modulated BCD NASA 36 (DC):DC level shift, width coded BCD XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 200 Figure 8: IRIG Standard Format A XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 201: F: World Map Of Time Zones

    F: World Map of Time Zones: XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 202 This page was intentionally left blank. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 203: G: Part Numbers

    Main CPU Card • GPS C/A Receiver (w. TRAIM), Antenna, & Cable Rack Mount Kit • 2 mounting brackets for 1 U chassis • 4 flat-head, Phillips screws XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 1510-602 1510-602 87-8026 87-8000 87-8028-2 206-719...
  • Page 204 This page was intentionally left blank. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 205: H: Sales And Customer Assistance

    • Europe, Middle East & Africa: 49 700 32886435 Technical Support can be obtained either through the Online Support area at www.symmetricom.com, or by calling one of the Customer Assistance Center numbers above. When calling the Worldwide or USA telephone number: •...
  • Page 206 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 207: Glossary Of Ieee 1588-Related Terms

    IEEE 1588 Ordinary Clock: A IEEE 1588 clock with a single port. Precision Time Protocol (PTP): The protocol defined by the IEEE 1588 standard. Transparent Clock: In IEEE 1588 terminology, it is a switch that compensates for its own queuing delays. Neither master or slave. XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 208 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

  • Page 209: Index

    ........77 XLi IEEE 1588 Clock 997-01510-03, Rev.
  • Page 210 ......138 ......138 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 211 ......... . . 65 F69 – Time Mode XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 .
  • Page 212 ......114 ......139 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 213 Configuring NOTICE XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 ....... . . 13 .
  • Page 214 ....... . .102 ......139 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...
  • Page 215 ..........80 Upgrading XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 .
  • Page 216 ..........53 XYZ coordinates XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006...

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