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Paradyne 3550 Installation Instructions Manual

2-port tdm/flex upgrade feature
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Download this manual See also: User Manual, Quick Reference Manual
Model 3550 2-Port TDM/Flex Upgrade
Feature Number 3550-F1-202
Installation Instructions
Document Number 3550-A2-GZ50-10
December 1996
Overview
The 2-port time division multiplexer (TDM/Flex) upgrade for the Model 3550 (standalone) DSU includes a
circuit card that rests in an expanded base with an expanded rear panel. With this upgrade installed, each port
(Port 1 or Port 2) can be configured independently to operate as an EIA-232 or V.35 interface via the diagnostic
control panel (DCP) or 6700 Series network management system (NMS).
The 2-port TDM/Flex upgrade consists of the following items:
One circuit card with expanded rear panel resting in an expanded base, and the pre-folded flat cable
Two thread-cutting screws
One screw with a captive-lock washer
If any item is missing, contact your service representative.
If connecting a port to data communications equipment (DCE), a crossover cable is required (feature number
3211-178F for a V.35 Crossover Cable or feature number 4951-035F for an EIA-232 Crossover Cable). If using
V.35 operation, a V.35 Interconnect Cable (feature number 3000-F1-510) is required for Port
connector on the DSU is used for Port 1.
Before You Start
Refer to Chapters 4 and 5, Operating the DSU and Configuring the Unit, of the user's guide if needed.
Procedure
1. Make a copy of the Configuration Worksheet with Full Mode enabled (Appendix B of the user's guide).
2. Access Stat (Status branch), then ID (Identity subbranch).
3. Record the unit's serial number at the top of Page 1 of the Configuration Worksheet.
4. Access Confg (Configuration branch).
5. Verify that Full Mode (Menu subbranch) is enabled.
6. Record the configuration option settings for each option set (DSU, Diag, etc.) on the Configuration
Worksheet.
7. Record all Backup Directory entries on the worksheet if a DBM is installed.
8. Record the unit's local telephone number (Phone) if a DBM is installed.
TM
1
2;
the V.35

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Summary of Contents for Paradyne 3550

  • Page 1 December 1996 Overview The 2-port time division multiplexer (TDM/Flex) upgrade for the Model 3550 (standalone) DSU includes a circuit card that rests in an expanded base with an expanded rear panel. With this upgrade installed, each port (Port 1 or Port 2) can be configured independently to operate as an EIA-232 or V.35 interface via the diagnostic control panel (DCP) or 6700 Series network management system (NMS).

  • Page 2: Getting Started

    Getting Started Refer to Figure 1 as you follow these steps. Procedure 1. Unplug the table-top ac transformer from the ac outlet, then disconnect the power cord from the DSU’s rear panel (labeled POWER). 2. Disconnect the DDS interface cable (labeled LINE) from the DSU. 3.

  • Page 3: Opening The Unit

    Opening the Unit This product is designed to protect sensitive components from damage due to electrostatic discharge (ESD) during normal operation. When performing installation procedures, however, take proper static control precautions to prevent damage to equipment. If you are not sure of the proper static control precautions, contact your nearest sales or service representative.

  • Page 4: Removing The Dsu From Its Base

    Removing the DSU from Its Base Refer to Figure as you follow these steps. If replacing a TDM/Flex, refer to this figure as you de-install the current TDM/Flex Procedure 1. Disconnect the keypad flat cable from the DSU. Squeeze the small black latches on each side of the cable and gently pull up, carefully lifting the cable up and out of the connection.
  • Page 5 Figure 3. Installing the TDM/Flex...

  • Page 6: Reassembling The Unit

    Reassembling the Unit Refer to Figure as you close the unit and to Procedure 1. Align the cover over the expanded base and rear panel. Make sure the four snap tabs are over their corresponding slots (two in front and two in back). 2.
  • Page 7 Reconfiguring the Unit First load a factory-set configuration. Configure each port for either EIA-232 or V.35 operation, then customize the configuration loaded based upon the completed Configuration Worksheet and site requirements. Procedure 1. Load the appropriate factory-loaded configuration: PTPC (point-to-point control), MPTC (multipoint control), PTPT (point-to-point tributary), or MPTT (multipoint tributary).
  • Page 8 4. Select area (Activ, Remt, Usr1) on the Save to screen. If Activ is selected, your changes take effect immediately. If Usr1 is selected, your changes are stored for future use. If the unit is a control and Remt is selected, the complete configuration (all option sets available to the unit and their configuration option settings) is sent to the tributary and saved to its Activ area.

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3550-f1-202