ADTRAN DS3 NIU3 PM Installation And Maintenance Practice

Network interface unit with performance monitoring

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DS3 Network Interface Unit with Performance Monitoring
CONTENTS
1. General .................................................................... 1
2. Installation............................................................... 3
3. Turnup ..................................................................... 5
4. Operation................................................................. 6
5. Testing................................................................... 26
6. Maintenance .......................................................... 28
7. Specifications ........................................................ 28
8. Warranty and Customer Service ........................... 28
Figure 1. NIU3 PM...................................................... 1
Figure 3. Shelf Power Connection .............................. 4
Figure 9. Provisioning Screen ................................... 11
Figure 10. Status Screen............................................ 12
Figure 11. Troubleshooting Screen ........................... 13
Figure 12. Guidance Screen ...................................... 14
NTWK LBK Active.................................... 15
tern Active................................................... 16
Figure 23. Event History Screen ............................... 21
Figure 24. Alarm Log Screen.................................... 22
Figure 26. Set System Date and Time....................... 23
Figure 27. Terminal Modes Menu............................. 24
Figure 28. Software Download ................................. 24
Figure 29. Loopback Block Diagrams ...................... 27
61213075L2-5E
®
Installation and Maintenance Practice
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
CLEI Code: NCD3EG6A_ _
TABLES
Table 1. Compliance Codes ........................................ 3
Table 2. LED Indications ............................................ 5
Table 3. Fault Conditions ............................................ 7
Table 4. Definition of Screen Abbreviations .............. 8
Table 5. Software Upgrade Procedure ...................... 25
Table 6. Specifications and Compliance ................... 29
NIU3
1213075
STATUS
LOS = RED
AIS =AMBER
-BIT = GRN
IDLE =AMBER
M13 = GRN
IDLE =AMBER
LBK
LOS = RED
AIS =AMBER
-BIT
M13
LBK
FUSE ALARM
Figure 1. NIU3 PM

1. GENERAL

The ADTRAN
DS3 Network Interface Unit with
®
Performance Monitoring (NIU3 PM) provides a demar-
cation and loopback point for DS3 circuits. The NIU3
PM can be deployed as a single unit or in two different
shelf configurations with up to 12 units. The NIU3 PM
provides troubleshooting suggestions, performance
monitoring and event history information through an
RS-232 craft interface. The NIU3 PM is transparent to
data transmission during normal operation.
shows the front panel of the NIU3 PM, P/N 1213075L2.
Section 61213075L2-5E
Issue 5, February 2011
N
T
W
K
U
S
T
LBK SEL:
NTWK: 1X & HOLD
UST: 2X & HOLD
DUAL: 3X & HOLD
UST TO NTWK
MON
NTWK TO UST
MON
Figure 1
1

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Summary of Contents for ADTRAN DS3 NIU3 PM

  • Page 1: Table Of Contents

    8. Warranty and Customer Service ......28 NIU3 FIGURES 1213075 Figure 1. NIU3 PM............1 STATUS Figure 2. DS3 NIU3 PM Loopback Diagram ..... 2 LOS = RED AIS =AMBER -BIT = GRN Figure 3. Shelf Power Connection ......4 IDLE =AMBER M13 = GRN Figure 4.
  • Page 2: Figure 2. Ds3 Niu3 Pm Loopback Diagram

    • Performance history displays for intervals of 15 minutes, 60 minutes, 24 hours, and 30 days • Customer transmit level setting • Comprehensive troubleshooting screens including receive level and frequency offset warnings Figure 2. DS3 NIU3 PM Loopback Diagram Issue 5, February 2011 61213075L2-5E...
  • Page 3: Installation

    Housing Ground Option Changes or modifications not expressly approved by ADTRAN could void the user’s authority to operate this CAUTION equipment. Terminate grounds to an approved ground This product is intended for installation in a DC-C location.
  • Page 4: Figure 3. Shelf Power Connection

    CAUTION Be careful to connect supply and return terminals in the described configurations. 200mA Make the following terminal connections: PWR A • Connect the –48 V or ±24 V supply to PWR A. RET A • Connect the associated return wire to RET A PWR B •...
  • Page 5: Turnup

    Fuse 3. TURNUP The input current is fused at 1.0 amp on each NIU3 PM When inserted into a housing with power applied, the and cannot be replaced in the field. LED illuminates red while the NIU3 PM STATUS performs a self-test. If the self-test passes, the STATUS Options LED illuminates green and the remaining LEDs go...
  • Page 6: Operation

    4. OPERATION Loss of Framing During normal operation the NIU3 PM is transparent to If either LEDs are both NTWK CUST C-BIT the network. In the event of circuit trouble, test off, the associated network or customer signal is equipment at the central office control terminal can unframed.
  • Page 7 Table 3. Fault Conditions Condition Detected Direction of Transmission Transmission LOS detected on Network Network Interface to Customer Unframed all ones signal is transmitted to the Interface Interface Customer Interface Customer Interface to Network RAI is transmitted to the Network Interface Interface LOF detected on Network Network Interface to Customer...
  • Page 8: Figure 6. Front Panel Db-9 Pin Assignments

    Control Port Operation is available at any time during operation. The screens The NIU3 PM front panel DB-9 provides an RS-232 shown in this practice identify the main menu screens; craft interface for connection to a controlling terminal. subordinate screens are not depicted. Abbreviations The DB-9 pinout is shown in Figure 6.
  • Page 9 Table 4. Definition of Screen Abbreviations (Continued) Abbreviation Definition CV-P Code Violation Count: This count represents the number of parity errors occurring over the accumulation period. This parameter is based on P-bit parity errors for the M13 application. For the C- bit parity application, it is based on CP-bit parity errors as well as P-bit parity errors.
  • Page 10: Figure 7. Adtran Niu3 Main Menu Screen

    To establish a terminal session, connect a terminal type the selection number then press NTER device to the front panel DB-9, then enter the password NIU3 Unit Information ADTRAN. The NIU3 Main Menu appears as shown in The NIU3 Unit Information screen (Figure 8) displays Figure...
  • Page 11: Figure 9. Provisioning Screen

    Provisioning The NIU3 may be connected to equipment whose The Provisioning screen (Figure 9) displays the screen receiver is sensitive to signal levels in the upper range option selections. The Inband M13 Loopback Enable/ of T3 specifications. In this case, the Tx Level to Disabled option is used to enable or disable detection of Customer option may be set to Low to reduce the in-band loopback codes.
  • Page 12: Figure 10. Status Screen

    Status The Status screen (Figure 10) provides quick access to the network and customer status information. CIRCUIT ID: xxxxxxx 03/01/04 13:04:03 Press ESC to return to previous menu Status Screen NETWORK T3 RECEIVER DATA CUSTOMER ----------------------------------------------------- LIVE <- DS3 SIGNAL ->...
  • Page 13: Figure 11. Troubleshooting Screen

    Figure 11), which is From the Troubleshooting Screen, it is possible to make accessed by selecting at the Adtran NIU3 Main Menu, the following selections: provides guidelines in correcting problems detected by • Receive Guidance in problem resolution the NIU3. The Troubleshooting Screen includes a •...
  • Page 14: Figure 12. Guidance Screen

    Guidance • AIS (Alarm Indication Signal) When a problem is detected and the Guidance option is • BPV (Bipolar Violations) selected, the screen (see Figure 12) displays a graphic • Far End Errors. representation of the NIU3, network equipment, and Additionally, the following warnings will display customer equipment.
  • Page 15: Figure 13. Loopback And Test Commands Screen

    Loopback and Test Screen, shown in Loopback and Test Commands Figure 13 Figure 14 on page 16, allows tests to be initiated or terminated while graphically displaying the test status of the NIU3 PM. The test patterns can be initiated in both directions simultaneously, but a test pattern and a loopback cannot both be active.
  • Page 16: Figure 14. Loopback And Test Commands Screen, Pat

    Figure 14 shows an active test pattern to the network. If a test pattern is active to the customer, then framed The error count display for the test pattern will count to DS3 idle is transmitted toward the network. The and hold at 65535 errors.
  • Page 17: Figure 15. 15-Minute Performance History

    Performance History memory, and the current 15-minute data registers are The Performance History screens (Figure 15 through transferred to the 15-minute historical data registers. All Figure 18 on page 18) exhibit a date and time stamp in 15-minute performance data registers are available for the upper right-hand corner for the data capture the past 24 hours.
  • Page 18: Figure 17. 24-Hour Performance History

    The 24-hour performance data registers (Figure 17) are (Measured Seconds) parameter is a count of MSEC available for the current day and the past 30 days. how many seconds have elapsed during the current interval displayed on the Performance History screen. The 30-day performance data registers (Figure 18) are...
  • Page 19: Figure 19. Performance Thresholds Screen

    Each 15-minute and 24-hour performance parameter Figure 19. When a threshold is crossed, an event is has a threshold as shown in the Performance Thresholds logged in the Event Log History. screen (Figure 19). Thresholds can be set in Change The Line Related thresholds set the threshold for both Performance Threshold Figure 20)
  • Page 20: Figure 21. Performance History Data Definitions 1

    The Performance Data Definitions screens (Figure 21 Figure 22) describe each line, path, and far-end performance parameter and explain using reverse video to indicate incomplete or invalid data registers. CIRCUIT ID: xxxxxxx 03/01/04 13:04:03 Press ESC to return to previous menu Performance Data Definitions Line Related (Near End only): ES-L...
  • Page 21: Figure 23. Event History Screen

    Event History To clear the event log, choose Reset. This reset The Event History screen (Figure 23) shows the last must be confirmed by choosing on the next screen. 200 events logged to the event log. Events are time Possible events include the following: stamped and shown in chronological order.
  • Page 22: Figure 24. Alarm Log Screen

    Alarm Log To clear the alarm log, choose . This reset must be The Alarm Log Screen (Figure 24) shows the last 200 confirmed by choosing on the next screen. Possible alarms logged to the alarm log. Alarms are time alarms include the following: stamped and shown in chronological order.
  • Page 23: Figure 25. Set Circuit Id And Scratch Pad

    Set Circuit ID and Scratch Pad Set Date and Time he Set Circuit ID screen (Figure 25) sets the circuit The Set System Date and Time screen (Figure 26) identification (20-characters maximum, alphanumeric used to set the NIU3 PM date and time. Once date and and special characters included).
  • Page 24: Figure 27. Terminal Modes Menu

    Terminal Modes The Terminal Modes Menu Figure 27) is available for NOTE configuring the RS-232 craft interface for a manual Real-time terminal update is recommended for terminal update or a real-time terminal update. normal operation unless screens are to be captured or logged to a print file.
  • Page 25 19200 Parity: None Data: Stop: Flow Control: None. From the ADTRAN NIU3 menu, select the option, and press Software Download NTER From the Software Download menu, to begin YModem download, select option 1, press NTER A screen appears, stating that the NIU3 PM is waiting for download and the character C appears across the screen to show the unit is still active.
  • Page 26: Testing

    5. TESTING • 1101 0111 0100 0010 D742h Idle The NIU3 is compatible with standard test equipment. • 1101 0111 0100 0011 D743h User Defined Digital testing is accomplished with the T-BERD 310 or The first code initiates a Loopback at the customer equivalent.
  • Page 27: Figure 29. Loopback Block Diagrams

    Network to customer bypass Regen. RCV Framing RCV LOS Cust Out Ntwk In Detector Detector Detector Ntwk AIS Ntwk LOS Ntwk C-Bit/M13 Indication Indication Indication Network Customer Monitor Customer to network bypass Regen. Ntwk Out RCV Framing RCV LOS Cust In Detector Detector Detector...
  • Page 28: Maintenance

    8. WARRANTY AND CUSTOMER SERVICE 24 hours. The timer is reset at any point by sending the ADTRAN will replace or repair this product within the FEAC loop up code. The test time out can be disabled warranty period if it does not meet its published specifi- through the RS-232 craft interface.
  • Page 29 Table 6. Specifications and Compliance Electrical Input Voltage: –48 VDC Systems = –42 VDC to –56 VDC –24 VDC systems = –22 VDC to –27 VDC +24 VDC systems = +22 VDC to +27 VDC Input Current: –48 VDC systems: 125 mA maximum ±24 VDC systems: 250 mA maximum Compliance Standards NEBS:...
  • Page 30 Issue 5, February 2011 61213075L2-5E...

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