Eia-232 – Cabletron Systems Cabletron CyberSWITCH CSX400 User Manual
Page 243
WPIM Cable Specifications
CSX400 and CSX400-DC User’s Guide
229
EIA-232
shows the connector number, cable assembly description, and connector type.
provides pin assignments for the EIA-232 interface cable.
Table 42 EIA-232 Interface
Connector Number
Cable Assembly Description
Connector Type
1
EIA-530A ALT A to EIA-232
Sub DB 26-pin male
2
DB-25 pin male
Table 43 EIA-232 Interface Cable Pin Assignment
Connector 1 EIA-530A ALT A
Connector 2 EIA-232
MNEMONIC
DIRECT
TO
NAME
PIN PIN
NAME
DIRECT
TO
MNEMONIC
BA
DCE
Transmit Data
2
2
Transmit Data
DCE
BA
BB
DTE
Receive Data
3
3
Receive Data
DTE
BB
CB
Clear to Send
5
5
Clear to Send
CB
CA
DCE
Request to Send
4
4
Request to Send
DCE
CA
DB
DTE
Transmit Signal Timing
15
15
Transmitter Signal
Timing
DTE
DB
DD
Receive Signal Timing
17
17
Receiver Signal
Timing
DD
DA
DCE
Transmit Signal Timing
24
24
Transmitter Signal
Timing
DCE
DA
CE
DTE
Ring Indicator
22
22
Ring Indicator
DTE
CE
RL
DCE
Remote Loopback
21
21
Loopback
Maintenance
DCE
RL
LL
Local Loopback
18
18
Local Loopback
LL
TM
DTE
Test Mode
25
25
Test Indicator
DTE
TM
CC
DCE Ready
6
6
DCE Ready
CC
CD
DCE
DTE Ready
20
20
DTE Ready
DCE
CD
SHIELD
1
AC
Signal Common
23
7
Signal Common
AB
AB
Signal Common
7
7
Signal Common
AB