ADTRAN T3SU 300 User Manual
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ADTRAN T3SU 300 User Manual

ADTRAN T3SU 300 User Manual

T3 service unit
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61200217L1-1B
December 1998
T3SU 300
T3 Service Unit

USER MANUAL

1200217L1
T3SU 300
1200217L2
T3SU 300 with Internal Modem
1200218L1
HSSI DTE Interface Card
1200219L1
V.35 DTE Interface Card

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  • Page 1: User Manual

    1200217L1 1200217L2 1200218L1 1200219L1 61200217L1-1B December 1998 T3SU 300 T3 Service Unit USER MANUAL T3SU 300 T3SU 300 with Internal Modem HSSI DTE Interface Card V.35 DTE Interface Card...

  • Page 2: Trademark Information

    OpenView is a trademark of Hewlett-Packard Company. Spectrum is a registered trademark of Cabletron. Netview is a registered trademark of IBM. 901 Explorer Boulevard P.O. Box 140000 Huntsville, AL 35814-4000 Phone: (256) 963-8000 © 1998 ADTRAN, Inc. All rights reserved. Printed in USA.
  • Page 3 • Chapter 2, Installation and Operation, describes the T3SU 300 connectors (pin assignments are given in Appendix A), provides installation instruc- tions, and explains how to operate your T3SU 300 using the terminal interface. • Chapter 3, Configuration, explains how to access the T3SU 300 Configu- ration menu, describes selections made in the Configuration menus, and provides a menu tree of all of the available Configuration options.
  • Page 4 Notes provide additional useful information. Cautions signify information that could prevent service interrup- tion. Warnings provide information that could prevent damage to the equipment or endangerment to human life. IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS When using your telephone equipment, please follow these basic safety precautions to reduce the risk of fire, electrical shock, or personal injury: 1.
  • Page 5 Advance notification and the opportunity to maintain uninterrupted service are given. If experiencing difficulty with this equipment, please contact ADTRAN for repair and warranty information. The telephone company may require this equipment to be disconnected from the network until the problem is corrected or it is certain the equipment is not malfunctioning.
  • Page 6 YEAR 2000 COMPLIANCE All ADTRAN transmission hardware and software products have been tested and found to be fully compliant with the YEAR 2000 requirements. This is true for all models and revisions regardless of the date of manufacture or delivery.

  • Page 7: Federal Communications Commission Radio Frequency Interference Statement

    FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class A dig- ital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 8 CANADIAN EQUIPMENT LIMITATIONS Notice: The Canadian Industry and Science Canada label identifies certified equip- ment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, users should ensure that it is permissible to be con- nected to the facilities of the local telecommunications company.

  • Page 9: Table Of Contents

    Auxiliary Port ... 2-5 LAN Port ... 2-6 DS3 Interface... 2-6 Front Panel ... 2-6 Control Port ... 2-6 LED Descriptions ... 2-9 Chapter 3. Configuration ... 3-1 DS3 Network ... 3-2 DS3 Framing ... 3-3 61200217L1-1 T3SU 300 User Manual...
  • Page 10 Save Configuration ... 3-24 Chapter 4. Status... 4-1 Network Port ... 4-2 DS3 Framing ... 4-2 Network State ... 4-2 Alarm State... 4-2 Data Link State... 4-3 Remote State... 4-3 DTE Ports ... 4-5 Interface Type ... 4-5 T3SU 300 User Manual 61200217L1-1...
  • Page 11 Point-to-Point Multiport Application ... 7-3 Fractional T3 Carrier Application ... 7-5 Remote SNMP Management Application ... 7-7 Appendix A. Pinouts ... A-1 Appendix B. Specifications Summary ...B-1 Appendix C. Acronyms/Abbreviations... C-1 Appendix D. Glossary ... D-1 61200217L1-1 T3SU 300 User Manual Table of Contents...
  • Page 12 Table of Contents T3SU 300 User Manual 61200217L1-1...
  • Page 13 Figure 3-9. System Management Configuration Menu (2 of 2) ... 3-18 Figure 3-10. Dialup Options Menu ... 3-20 Figure 3-11. System Utilities Menu ... 3-23 Figure 3-12. T3SU 300 Configuration Menu Tree ... 3-25 Figure 4-1. Status Menu... 4-1 Figure 5-1. Main Local Statistics Menu Screen... 5-2 Figure 5-2.
  • Page 14 Figure 6-9. Payload and DTE Loopback Test... 6-8 Figure 6-10. BERT Pattern Menu ... 6-10 Figure 7-1. Single Port Application... 7-2 Figure 7-2. Multiport Application... 7-3 Figure 7-3. Fractional Application ... 7-5 Figure 7-4. Remote Management Application ... 7-7 T3SU 300 User Manual 61200217L1-1...
  • Page 15 Table 7-4. Configuration Example for Remote Management Application ... 7-8 Table A-1. Control and Auxiliary Port Pin Assignments... A-1 Table A-2. HSSI Interface Pin Assignments ... A-2 Table A-3. V.35 Interface Card Pin Assignments ... A-3 Table A-4. LAN Port Pin Assignments ... A-4 61200217L1-1 T3SU 300 User Manual...
  • Page 16 List of Tables T3SU 300 User Manual 61200217L1-1...

  • Page 17: Chapter 1. Introduction

    Introduction Chapter 1 PRODUCT OVERVIEW The T3SU 300 is a multiport DSU/CSU (data service unit/channel service unit) that provides access to T3 services. The unit provides a cost-effective, versatile approach for migrating T1 services to T3. The TDM (time division multiplexer) multiport design allows you to share the cost of a T3 line between multiple applications.

  • Page 18: T3 Overview

    V.34 modem (1200217L2 only). Advanced dial-out on trap capabilities through the built-in modem allow the T3SU 300 to contact remote hosts and alert them to DSX-3 network conditions (without dedicated management connections). The T3SU 300 is designed for either desktop use or installation in a 19-inch rack.

  • Page 19: Telnet

    TELNET TELNET provides a password-protected, remote login facility to the T3SU 300 that allows a remote user to control the T3SU 300 through the terminal menus. Only one TELNET session may be active at a time.

  • Page 20: Interface Option Cards

    HSSI Card The optional HSSI card plugs into one of the three card slots on the rear of the T3SU 300. With optional HSSI cards installed, the total 44.2 Mbps bandwidth of the T3 can be divided among the total number of ports to provide multiple data channels over the T3.

  • Page 21: Warranty And Customer Service

    WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails while in service. For detailed warranty, repair, and return information refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure.
  • Page 22 Chapter 1. Introduction T3SU 300 User Manual 61200217L1-1...

  • Page 23: Chapter 2. Installation And Operation

    Chapter 2 UNPACK, INSPECT, POWER UP Receiving Inspection Carefully inspect the T3SU 300 for any damage that may have occurred in shipment. If damage is suspected, file a claim immediately with the carrier and contact ADTRAN Technical Support (see the back cover of this manual). Keep the original shipping container to use for future shipment or verification of damage during shipment.

  • Page 24: Installing The Unit

    Chapter 2. Installation and Operation The ADTRAN T3SU 300 MIB is available in the support section of the ADTRAN Web page at www.adtran.com. Customer Provides The customer provides an interface cable for each port used. Each cable should be either HSSI or V.35.

  • Page 25: Desktop Installation

    Desktop Installation Follow these steps when using your T3SU 300 as a desktop unit: Affix the four adhesive-backed rubber feet to the bottom of the unit, one in each of the four corners. The feet should be placed...

  • Page 26: Dte Port Interface Card Slots

    Chapter 2. Installation and Operation DTE PORT 4 DTE Port Interface Card Slots The T3SU 300 rear panel has three card slots for the installation of optional interface cards. To insert cards, perform the following procedure: Remove blank slot cover from the rear of the T3SU 300.

  • Page 27: Dte Port 1 (Hssi Interface)

    For the 1200217L2 product, the AUX port provides a telephone line (POTS) connection for the internal V.34 modem. For both versions of the product, the T3SU 300 can be configured as a dial-in host and also as a dial-out-on-TRAP device (meaning that the unit dials out to a specified host to report error conditions).

  • Page 28: Lan Port

    RX (In) connector while the transmit data from the T3SU 300 is connected to the TX (Out) connector. FRONT PANEL The T3SU 300 faceplate is shown in Figure 2-2. Descriptions of each part of the front panel follow. CONTROL...

  • Page 29: Navigating Within The Menus

    Press ESC to return to the previous screen. End a terminal session by selecting L menu or by pressing Ctl-C at any time. Navigating Within the Menus Navigate within the T3SU 300 terminal menus using the following procedures: 61200217L1-1 Chapter 2. Installation and Operation on the front panel of the T3SU 300.
  • Page 30 See the chapter Diagnostics on page 6-1 for more detailed information. Remote Login The R EMOTE T3SU 300. The remote unit’s password is required at login. The ATALINK must be enabled in order to perform remote configuration. If you want to... Press...

  • Page 31: Led Descriptions

    Remote Active This LED is solid when a remote configuration session is taking place through a TELNET session or from the remote end T3SU 300. It flashes when the unit is being accessed locally through the front panel...
  • Page 32 BERT test. This LED is active when the T3SU 300 DTE port is transmitting data. This LED is active when the T3SU 300 DTE port is receiving data. 2-10 Condition No option card is installed.

  • Page 33: Chapter 3. Configuration

    Configuration Chapter 3 The T3SU 300 can be configured locally and remotely. Local configuration is accomplished through a 10baseT ethernet connection, a SLIP/PPP port, or a VT 100 terminal. Remote configuration can take place through the T3 datalink using a local T3SU 300.

  • Page 34: Ds3 Network

    Chapter 3. Configuration DS3 NETWORK Select 1 DS3 N parameters. Configure the T3SU 300 network settings to match the T3 signal received from the service provider. During remote configuration, this menu is read-only. The DS3 N ONFIGURATION DS3 N ETWORK Figure 3-1.

  • Page 35: Ds3 Framing

    61200217L1-1 Figure 3-2. DS3 Network Configuration Menu if the cabling distance exceeds 50 feet; set to S if the T3SU 300 is to derive timing from the if the unit is to be the master timing source OCAL T3SU 300 User Manual Chapter 3.

  • Page 36: Ds3 Scrambler

    Data Link Set to E NABLE T3SU 300 provides a channel between the local and the remote DSU for point-to-point remote configuration. Remote Auto-Configuration This feature allows one T3SU 300 (set to M relay its DTE port bandwidth configuration to a second unit (set to ).

  • Page 37: Port Selections 1-4

    61200217L1-1 Figure 3-3. DTE Ports Menu 1 , 2 , 3 , or 4 to access the following port menu example is shown in Figure 3-4. Descriptions T3SU 300 User Manual Chapter 3. Configuration...

  • Page 38: Figure 3-4. Port Configuration Menu (With V.35 Interface Card Installed)

    Inactive The port is installed, but idle. Activate a port through the P field of this menu. TATE Active The port has been configured and is passing data. T3SU 300 User Manual 61200217L1-1...

  • Page 39: Not Installed

    The changes are then applied to the unit immediately. 61200217L1-1 ; otherwise, DTR is ignored. to activate an installed port. is selected. ETTINGS T3SU 300 User Manual Chapter 3. Configuration menu does not ONFIGURATION . Set to ISABLED...
  • Page 40 The T3SU 300 ignores the state of the TR lead. Idle When Off The T3SU 300 suspends traffic on the selected port if the TR lead is off. Selects the control mode for the data set ready (SR) lead. This field only appears if a V.35 interface card is installed in the selected port.
  • Page 41 Transmit Clock Selects the source of the clock used to transfer data from the DTE to the T3SU 300. This selection is only available if a V.35 interface card is installed in the selected port. Use the following chart to...

  • Page 42: Timed Profiles

    For example, you can assign more bandwidth to the corporate LAN during business hours and more bandwidth to a backup machine in the evenings. The T3SU 300 can store two separate user profiles which have bandwidth selections for each of the four ports.

  • Page 43: System Management

    The S YSTEM 300 for management through SNMP, TELNET, or a VT 100 interface. Embedded SNMP and TELNET are available through 61200217L1-1 selection. CTIVE ROFILE menu allows you to configure the T3SU ANAGEMENT T3SU 300 User Manual Chapter 3. Configuration 3-11...

  • Page 44: Local Ip Address

    Figure 3-7. System Management Configuration Menu (1 of 2) Local IP Address Enter the T3SU 300 IP address. This IP address applies to the ethernet or auxiliary port (when configured for PPP or SLIP). This address is available from the network administrator.

  • Page 45: Gateway Ip Address

    Gateway IP Address Enter the gateway IP address of the T3SU 300. This address is necessary only if the T3SU 300 and the network manager are connected through a gateway node. If an IP packet is to be sent to a different network, the unit sends it to the gateway.

  • Page 46: Modem Mode

    This selection applies to version 1200217L2 only. Select the port function for your application. The rear panel of the T3SU 300, provides a telephone line (POTS) for connecting to the internal V.34 modem. The modem interface can be configured for dial-in service in VT 100, SLIP, and PPP modes.

  • Page 47: Write Community Name

    Write Community Name Enter the authentication strings used for SNMP management. Match the T3SU 300 to the SNMP manager for write privileges. Trap IP Addresses Enter up to five IP addresses of SNMP managers to which the T3SU 300 sends traps.

  • Page 48: Table 3-1. Near End Alarm Trap Descriptions

    RAI indication from the network. when the unit receives indication from the far end unit through the FEAC channel that the far end unit is receiving an AIS indication from the network. T3SU 300 User Manual 61200217L1-1...

  • Page 49: Table 3-3. Mib Ii Standard Trap Descriptions

    Table 3-4. Network Test Trap Descriptions If ENABLED, this trap is sent... commanded locally or remotely. when the unit is in a DS3 network test and the test is terminated. T3SU 300 User Manual Chapter 3. Configuration 3-17...

  • Page 50: Password

    DTE ports. These traps may be generated when a DTE interface card is plugged in, a cord is re- moved, a port is reconfigured, a port goes into an error condition due to cabling problems, or a port goes into a test mode. T3SU 300 User Manual 61200217L1-1...

  • Page 51: Unit Id

    If enabled, the alarm circuit is activated when a network alarm occurs. Dialup Options Configure the dialup capabilities of the T3SU 300. For product version 1200217L1, this option is only available if a dialup selection was made for the A For product version 1200217L2, this option is always available.

  • Page 52: Initializing String

    Chapter 3. Configuration Primary and Secondary Phone Numbers When the T3SU 300 dials out to send a trap, it first dials the RIMARY ECONDARY continue until a call is established and the trap is reported (or until each number’s maximum for redial attempts is reached).

  • Page 53: Idle Timeout

    The T3SU 300 waits the number of seconds entered in this field between redial attempts. Dialout On Trap Enable or disable the T3SU 300’s ability to dial out to report traps. When the A ODEM VT 100 , the unit reports error conditions in plain ASCII with the following information: •...

  • Page 54: Utilities

    Chapter 3. Configuration Answer on Ring Enable or disable the T3SU 300’s ability to accept an incoming call. If enabled, incoming calls are automatically answered by the T3SU 300, allowing you to remotely perform management functions. Hangup Selecting this option forces the T3SU 300 to end an established call.

  • Page 55: Figure 3-11. System Utilities Menu

    Support. See the inside back cover of this manual for more information. select S from the main C menu. If condition persists, contact ADTRAN Technical Support. Figure 3-11. System Utilities Menu T3SU 300 User Manual Chapter 3. Configuration ONFIGURATION ONFIGURATION 3-23...

  • Page 56: Save Configuration

    The S configuration changes to nonvolatile memory. If this option is not selected after making changes to the configuration, the unit reverts to its previous configuration when powered down. 3-24 selection commits the current ONFIGURATION T3SU 300 User Manual 61200217L1-1...

  • Page 57: Chapter 4. Status

    View port status information by selecting 1 S menu. Information for the network port and the DTE ports is provided. The S 61200217L1-1 menu is shown in Figure 4-1. TATUS Figure 4-1. Status Menu T3SU 300 User Manual from the M TATUS...

  • Page 58: Network Port

    This field displays the current condition of the network. Possible conditions are listed in the following table: Condition Normal Alarm In Test Alarm State This field displays the current alarm condition of the T3SU 300. Possible conditions are given in the following table: Condition Normal Yellow LOS (Red Alarm) Description The T3SU 300 is ready to pass data.

  • Page 59: Data Link State

    The local unit’s data link is in sync with the remote unit. The D option in the DS3 N menu is set to D ONFIGURATION The local and remote units are not in sync. T3SU 300 User Manual Chapter 4. Status ETWORK ISABLED...
  • Page 60 The network has signaled a non-service affecting equipment failure condition. The network has signaled a non-service affecting common equipment failure condition. The T3SU 300 is unable to determine the state of the network or the remote unit. T3SU 300 User Manual 61200217L1-1...

  • Page 61: Dte Ports

    DTE. For V.35, DTR is required if the TR field is set to I ; otherwise, DTR is ig- nored. The TR field is found in the DTE P menu. ONFIGURATION T3SU 300 User Manual Chapter 4. Status field of the DTE P...

  • Page 62: Bandwidth

    Both TA and CA must be on before data will flow. Condition Asserted by the DTE to indicate readi- ness to transmit data. Asserted by the T3SU 300 to indicate readiness to transmit data. The condition reflected by this lead is dependent upon the LB lead. See Table 4-1 on page 4-7.

  • Page 63: Table 4-1. La And Lb Leads

    Carrier detect Data terminal ready Data set ready Local DTE port loopback Remote port payload loopback Test mode. Asserted by the T3SU 300 when either the network or the port is being tested. T3SU 300 User Manual Chapter 4. Status Condition...
  • Page 64 Chapter 4. Status T3SU 300 User Manual 61200217L1-1...

  • Page 65: Chapter 5. Statistics

    See Figure 5-1 for the main L OCAL If the Datalink option is disabled, remote statistics are not available ONFIGURATION 61200217L1-1 from the M menu to access S TATISTICS screen. TATISTICS -> DS3 N -> D ETWORK T3SU 300 User Manual TATISTICS...

  • Page 66: Alarm History

    Chapter 5. Statistics Alarm History The T3SU 300 keeps track of yellow, blue, and red alarms for the near end. View alarm history information in one of the three time period selections, or view a cumulative alarm count. Information in these fields is for the given time period (if any) since the last reset.

  • Page 67: Figure 5-2. Current Alarm Count Screen

    Chapter 5. Statistics Figure 5-2. Current Alarm Count Screen Figure 5-3. 24-Hour Alarm History Screen 61200217L1-1 T3SU 300 User Manual...

  • Page 68: Performance Parameters

    Number of BPVs (bipolar violations) and EXZs (excessive zeros) that have occurred. Line Errored Seconds (LES) Number of seconds in which one or more CVs or one or more LOS (loss of signal) defects occurred. T3SU 300 User Manual 61200217L1-1...

  • Page 69: Figure 5-4. Network Statistics Menu For Current 15-Minute Interval

    Number of coding violation (CV) error events that have occurred. C-Bit Coding Violations (CCV) In C-bit parity mode, this is a count of coding violations reported via the C-bits or the number of C-bit parity errors that have occurred. 61200217L1-1 T3SU 300 User Manual...

  • Page 70: Figure 5-5. Network Port Statistics 24-Hour History Screen

    AIS. This count is not incremented when UASs are counted. F-Bit Errors (FBE) Number of times an F-bit framing error has occurred. M-Bit Errors (MBE) Number of times an M-bit framing error has occurred. T3SU 300 User Manual 61200217L1-1...

  • Page 71: Figure 5-6. Network Port Statistics Menu (24-Hour Totals)

    Chapter 5. Statistics Figure 5-6. Network Port Statistics Menu (24-Hour Totals) Clear All Local Statistics/Refresh All Remote Statistics Clears or refreshes all current information. These selections affect all statistical information (not just the displayed screen). 61200217L1-1 T3SU 300 User Manual...
  • Page 72 Chapter 5. Statistics T3SU 300 User Manual 61200217L1-1...

  • Page 73: Chapter 6. Diagnostics

    Chapter 6 The D IAGNOSTICS tests from the T3SU 300. Figure 6-1 shows the main D menu. Tests can be performed for the entire DS3 or for an individual DTE port. To choose a port from the left column of the menu, select the port’s corresponding number and press Enter .

  • Page 74: Ds3

    Chapter 6. Diagnostics Access the DS3’s diagnostic options by selecting 1 from the main IAGNOSTICS Figure 6-1. Diagnostics Main Menu menu. The menu in Figure 6-2 appears. T3SU 300 User Manual 61200217L1-1...

  • Page 75: Data Mode

    This test does not interrupt data flow from the network to the DTE, but it does block all DTE-to-network data. 61200217L1-1 Figure 6-2. DS3 Diagnostics Menu T3SU 300 User Manual Chapter 6. Diagnostics...

  • Page 76: Figure 6-4. Line Loopback Test

    Line Loopback This test allows the loop interface (LINE) section of the local T3SU 300 to be tested from the remote T3SU 300 over the actual T3 circuit. Testing from the remote end of the circuit is performed by using a 511 test pattern or DTE data generated by the remote host.

  • Page 77: Dte Ports 1-4

    Access the DTE port diagnostic options by selecting the number corresponding with the desired port (2 through 5) from the main IAGNOSTICS 61200217L1-1 menu. The menu in Figure 6-5 appears. Figure 6-5. DTE Port Diagnostics Menu T3SU 300 User Manual Chapter 6. Diagnostics...

  • Page 78: Figure 6-6. Payload Loopback Test

    Perform this test to verify the integrity of the portion of the DS3 link connecting the selected port of the T3SU 300 and the remote DTE. This test is non- intrusive to the three other ports. See Figure 6-6.

  • Page 79: Figure 6-7. Payload Bert Test

    DTE Loopback This test is used to verify proper operation of the link between the T3SU 300 and the terminal equipment. During this test, all data sent by the terminal equipment is looped back to the terminal equipment. A block diagram illustrating the loopback point and the signal path is shown in Figure 6-8.

  • Page 80: Figure 6-9. Payload And Dte Loopback Test

    Perform this test to verify the integrity of the portion of the DS3 link connecting the local DTE and the selected port of the remote T3SU 300. All other ports on both the local and remote units are unaffected.

  • Page 81: Bert Configuration

    2^23-1 The test pattern is used to independently test the operation of the framing circuitry and the network interface of the T3SU 300. Instead of using data from the host, this test uses data generated by the T3SU 300’s internal test pattern generator and detector.

  • Page 82: Figure 6-10. Bert Pattern Menu

    Displays either S unit is in sync with the BERT pattern. 6-10 Figure 6-10. BERT Pattern Menu , the T3SU 300 inverts the transmitted and received NABLE menu (shown in Figure 6-1). or N to indicate whether or not the...

  • Page 83: Insert Error

    Errors Displays the number of BERT errors received by the T3SU 300 since the last reset. Current Err/Sec Displays the number of BERT errors received by the unit in the last second. Insert Error Inserts one error into the data stream.
  • Page 84 Chapter 6. Diagnostics 6-12 T3SU 300 User Manual 61200217L1-1...

  • Page 85: Chapter 7. Applications

    44.2 Mbps data over unchannelized T3 circuits. In the application shown in Figure 7-1, the T3SU 300 provides network connectivity for a router running at 44.2 Mbps. The data is frame relay and the unit is SNMP-managed via the local ethernet.

  • Page 86: Figure 7-1. Single Port Application

    Local IP Address - 10.4.10.2 Management Subnet Mask - 255.255.255.0 Gateway IP Address - 10.4.10.1 IP Security - Disabled Trap IP Address - 10.4.10.10 Management Port - LAN T3SU 300 User Manual Dedicated or Packet T3SU 300 Network Bandwidth Application Local T3SU 300 61200217L1-1...

  • Page 87: Point-To-Point Multiport Application

    (using the HSSI ports), as well as the V.35 data connection requirements of the video conferencing unit and the main frame. The bandwidth is split by the T3SU 300 to provide 18 Mbps for each router, 1.5 Mbps for the video conference units, and 6 Mbps for the main frames.
  • Page 88 Nx75k blocks - 240 Port State - Enabled Nx75k blocks - 80 Port State - Enabled Nx75k blocks - 20 Nothing required. Remote unit can be managed using the lo- cal T3SU 300. T3SU 300 User Manual Application Remote T3SU 300 61200217L1-1...

  • Page 89: Fractional T3 Carrier Application

    FRACTIONAL T3 CARRIER APPLICATION When network providers want to provide service at rates less than full T3, T3SU 300 units can be used in pairs for deploying sub-T3 rate services. In this application example (shown in Figure 7-3), a carrier provides fractional T3 access at 8 Mbps for internet connectivity.
  • Page 90 Port State - Disabled Port State - Enabled Nx75k blocks-107 Port State - Disabled Port State - Disabled Nothing required. Remote unit can be managed using the lo- cal T3SU 300. T3SU 300 User Manual Application Remote T3SU 300 61200217L1-1...

  • Page 91: Figure 7-4. Remote Management Application

    REMOTE SNMP MANAGEMENT APPLICATION A remote T3SU 300 can be managed by a local management station if the remote unit is assigned its own IP address. This address must be assigned at both the near and far ends. Also, the D option must be enabled on both units.
  • Page 92 Table 7-4. Configuration Example for Remote Local T3SU 300 Datalink = Enabled Local IP Address= 10.4.10.3 Subnet Mask= 255.255.255.0 Gateway IP Address= 0.0.0.0 Remote IP Address= 0.0.0.0 Management Port= FDL T3SU 300 User Manual Management Application Remote T3SU 300 61200217L1-1...

  • Page 93: Appendix A. Pinouts

    Pinouts Appendix A The following tables give the pin assignments for the connectors located on the T3SU 300 and for the V.35 interface card. For more information on these connectors, see the chapter Installation and Operation on page 2-1. Table A-1. Control and Auxiliary Port Pin Assignments...

  • Page 94: Table A-2. Hssi Interface Pin Assignments

    Pin # Pin # Direction (+ side) (- side) 14-18 39-43 20-23 45-48 T3SU 300 User Manual Description Signal Ground (SG) Receive Timing (RT) DCE Available (CA) Receive Data (RD) Loopback Circuit C (LC) Send Timing (ST) Signal Ground (SG)

  • Page 95: Table A-3. V.35 Interface Card Pin Assignments

    Receiver Signal Element Timing (SCR-B) Transmitted Data (SD-A) Transmitted Data (SD-B) Transmitter Signal Element Timing (SCT-A) Transmitter Signal Element Timing (SCT-B) External TX Signal Element (SCX-A) External TX Signal Element (SCX-B) Test Indicator (TI) T3SU 300 User Manual Appendix A. Pinouts Description...

  • Page 96: Table A-4. Lan Port Pin Assignments

    The positive signal for the RD differential pair. This signal contains the serial input data stream received from the network. 4, 5 not used The negative signal for the RD differential pair (pins 3 and 6). 7, 8 not used T3SU 300 User Manual Description 61200217L1-1...

  • Page 97: Specifications And Features

    Specifications Summary Appendix B SPECIFICATIONS AND FEATURES This section describes the standard specifications and features incorporated in the T3SU 300. Network Interface Clear channel, non-channelized DS3. Line buildout: short (less than 50 feet) and long (greater than 50’). Framing format: M13 and C-bit parity.

  • Page 98: Agency Approvals

    Remote configuration and statistics access available inband. SNMP/Telnet Integrated 10baseT ethernet and SLIP/PPP (async) port. MIB II, RFC 1213 and 1407 compliant. ADTRAN Enterprise MIB for extended monitoring and control/ configuration. Agency Approvals FCC Part 15, Class A, UL and CUL Environment Operating: 0 to 50 °C (32 to 122 °F)

  • Page 99: Appendix C. Acronyms/Abbreviations

    CS ... clear to send CSES ... C-bit severely errored seconds CSU ... channel service unit CTS... clear to send dB... decibel DBU... dial backup data carrier detect DCD ... DCE ... data communications equipment 61200217L1-1 T3SU 300 User Manual...
  • Page 100 Mbps ... megabits per second MIB... management information base ms... millisecond NC... normally closed NI ... network interface NMS ... network management system NO ... normally open NRZ ... non-return to zero OCU... office channel unit T3SU 300 User Manual 61200217L1-1...
  • Page 101 TA ... terminal equipment available TD... transmit data TDM... time division multiplexing test mode TM ... TR ... data terminal ready Tx ... transmit UAS ... unavailable seconds WAN... wide area network 61200217L1-1 Appendix C. Acronyms/Abbreviations T3SU 300 User Manual...
  • Page 102 Appendix C. Acronyms/Abbreviations T3SU 300 User Manual 61200217L1-1...

  • Page 103: Appendix D. Glossary

    The bandwidth determines the rate at which information can be sent through a channel (the greater the bandwidth, the more information that can be sent in a given amount of time). 61200217L1-1 T3SU 300 User Manual...
  • Page 104 T3 operates at 44.736 Mbps. bipolar violation. A violation in the alternate mark inversion line code for which consecutive 1s are represented by pulses of opposite polarity. BPVs that are not T3SU 300 User Manual 61200217L1-1...
  • Page 105 The channel bank also detects and transmits signaling information for each channel; thereby transmitting framing information so that time slots allo- cated to each channel can be identified by the receiver. 61200217L1-1 T3SU 300 User Manual Appendix D. Glossary...
  • Page 106 (2) to provide a time base. control port The electrical interface between the T3SU 300 and the control terminal. The con- trol terminal is used to communicate commands to the unit. customer premise equipment. All telecommunications terminal equipment...
  • Page 107 The end-user terminal or computer that plugs into the termination point (DCE) of a communications circuit. The main difference between the DCE and the DTE is that pins two and three are reversed. 61200217L1-1 T3SU 300 User Manual Appendix D. Glossary...
  • Page 108 FDL bits provide overhead communication between the termi- nal equipment in ESF framing. gateway A device which enables information to be exchanged between two dissimilar systems or networks. host computer The primary or controlling computer in a multiple computer operation. T3SU 300 User Manual 61200217L1-1...
  • Page 109 Defined as a line state in which no pulses are received for 175 bit positions. DS1/DS3 multiplexer that combines up to 28 DS1 channels into one DS3 chan- nel. Uses two-stage, bit synchronous TDM. Mbps Megabits per second (one million bits per second). 61200217L1-1 T3SU 300 User Manual Appendix D. Glossary...
  • Page 110 Typically the separation is accomplished by a filter. The signaling includes dialing and other supervisory signals. point-to-point Type of communications link that connects a single device to another single device, such as a remote terminal to a host computer. T3SU 300 User Manual 61200217L1-1...
  • Page 111 LOS or OOF not caused by an alarm indication signal (AIS) that persists for more than two seconds. remote configuration A feature designed into ADTRAN products that allows remote units to be con- figured from a local unit or a VT 100 compatible terminal. router A device that supports communications between networks.
  • Page 112 The standard TCP/IP remote login protocol specified in RFC-854. transceiver A combination of transmitter and receiver providing both output and input interfaces within a single device. transmission The signaling of data over telecommunications channels. D-10 T3SU 300 User Manual 61200217L1-1...
  • Page 113 VT 100 A non-intelligent terminal or terminal emulation mode used for asynchronous communications. Used to configure the T3SU 300. wide area network. A communications network serving geographically separate areas. A WAN typically extends a LAN outside the building to link to other LANs over telephone lines.
  • Page 114 Appendix D. Glossary D-12 T3SU 300 User Manual 61200217L1-1...
  • Page 115 C-bit errored seconds 5-6 C-bit parity 3-3 C-bit severely errored seconds 5-6 CCV 5-5 CD 3-9 CES 5-6 channel bandwidth 3-7 clear errors 6-11 clear statistics 5-7 clock source 3-9 clocking external 3-9 invert 3-9 normal 3-9 T3SU 300 User Manual Index-1...
  • Page 116 DTE port LEDs 2-9 DTE ports status information 4-5 Eqpt Fail (NSA) 4-4 Eqpt Fail (SA) 4-4 equipment provided 2-1 equipment fail NSA 3-17 equipment fail SA 3-17 error port status 3-7 ethernet 3-13 EXZ 5-4 T3SU 300 User Manual 61200217L1-1...
  • Page 117 2-9 TD 2-10 LES 5-4 line coding violations 5-4 line errored seconds 5-4 line length 3-3 line loopback test 6-4 link down 5-4 LL 4-7 loading new software 3-22 local IP address 3-12 T3SU 300 User Manual Index Index-3...
  • Page 118 2-3 description 2-3 receipt inspection 2-1 red alarm 4-2 red alarm traps 3-16 refresh all remote statistics 5-7 remote active LED 2-9 remote configuration 3-2 remote DS3 loopback test 6-5 remote IP address 3-13 T3SU 300 User Manual 61200217L1-1...
  • Page 119 3-22 utilities menu 3-22 V.35 3-6 cable 2-2 card 1-1 leads 4-6 VT 100 3-13 connection 2-6 waiting port status 3-7 waiting for DTE port status 4-5 warranty 1-5 write community name 3-15 T3SU 300 User Manual Index Index-5...
  • Page 120 Index yellow alarm traps 3-16 yellow alarm 4-2 Index-6 T3SU 300 User Manual 61200217L1-1...

  • Page 121: Product Support Information

    Applications Engineering Sales Post-Sale Support Please contact your local distributor first. If your local distributor cannot help, please contact ADTRAN Technical Support and have the unit serial number available. Technical Support Repair and Return If ADTRAN Technical Support determines that a repair is needed, Technical Support will coordinate with the Customer and Product Service (CAPS) de- partment to issue a Return Material Authorization (RMA) number.

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