Connecting the service terminal, Hardware required – ADIC SNC 5100 User Manual
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SNC 5100
96
Connecting the Service Terminal
6-00020-02
Table 11 lists the null modem cable connections.
Connecting the Service Terminal
Hardware Required
• RS-232 DB9F null model cable
• RS-232 DTE Terminal or desktop/laptop computer running terminal
emulation software
• RS-232 DB9M-to-DB25F adapter if the terminal uses a DB25M
connector
Table 11: Null Modem Cable Connections
Service
Port Pin
Number
Signal Name
9-pin AT
connector
25-pin (DB25)
connector (DTE)
1
Carrier detect (not used)
n/c
n/c
2
Receive data <->
Transmit data
3
2
3
Transmit data <->
Receive data
2
3
4
Data terminal ready <->
Data set ready
6
6
5
Signal ground
5
7
6
Data set ready <->
Data terminal ready
4
20
7
Request to send <->
Clear to send
8
5
8
Clear to send <->
Request to send
7
4
9
Ring indicator (not used)
n/c
n/c