User`s guide

Chapter 4: Local Management
Page 4-4 IRM3 User’s Guide
4.1.2 Terminal Attachment Cable Configuration
Local Management is accessed by an RS232 cable available from
Cabletron Systems. This cable connects the terminal to the IRM3 Console
port.
The pin-out for a cable with a 25-pin or a 9-pin connector at the terminal
end of the cable, and a 9-pin connector at the IRM3 end of the cable,
should be configured as shown in the table below:
Communications
Setup
Transmit Transmit = 9600
Receive Receive = Transmit
XOFF any option
Bits, Parity 8 Bits, No Parity
Stop Bit 1 Stop Bit
Local Echo No Local Echo
Port
DEC-423, Data Leads
Only
Transmit any option
Auto Answerback No Auto Answerback
Keyboard Setup
Auto Repeat any option
Keyclick any option
Margin Bell Margin Bell
Warning Bell Warning Bell
Auto Answerback No Auto Answerback
Table 4-2 9-pin to 25-pin Pinouts
9-Pin Male Connector
(IRM3 End)
to
25-Pin Female Connector
(Terminal End)
Pin 3 (Receive) to Pin 2 (Transmit)
Pin 2 (Transmit) to Pin 3 (Receive)
Pin 5 (Ground) to Pin 7 (Ground)
Pin 7 (Request to Send) to Pin 5 (Clear to Send)
Pin 8 (Clear to Send) to Pin 20 (Data Terminal Ready)
Table 4-1 Terminal Setup Parameters (Continued)
Menu Function Selection