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Null-Modem Interposer
Figure 44 on page 196 shows the pin assignment of the interposer (null modem) used for a console
attachment.
Figure 44. Pin Assignment: RS-232 Interposer
Attaching the Configuration Console to the Workgroup Switch
The following parts are used to connect the configuration console to the Console connector on the
workgroup switch:
Female-to-male modem cable (P/N 6323741)
Female-to-male null-modem interposer (P/N 58F2861)
Gender changer (P/N 58G4422)
All parts are included in the ATM Workgroup Switch shipping group.
When attaching the configuration console to the workgroup switch, follow these steps:
1. Attach the Null-Modem Interposer to either end of the RS-232 modem cable.
2. Plug one end of the RS-232 modem cable into the 25-pin Console port on the front panel of the
Base Unit. For the exact position of the Console connector on the Base Unit, see Figure 2 on
page 5.
3. Plug the other end of the cable into the appropriate connector on the console, using the Gender
Changer, if necessary.
Make sure that the console is set up for asynchronous serial communication.
Attaching a Modem to the Workgroup Switch
Modems are connected to the Console connector on the workgroup switch with the female-to-male
RS-232 cable (P/N 6323741). The RS-232 cable is included in the ATM Workgroup Switch shipping
group.
When attaching the modem to the workgroup switch, follow these steps:
196
IBM 8285 Nways ATM Workgroup Switch:
Installation and User’s Guide
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