Pin-Outs; Null-Modem Cable; Pc-At Serial Cable - 3Com SUPERSTACK 3 WEBCACHE 3000 User Manual

296 A B: C
PPENDIX ABLE

Pin-outs

Null-Modem Cable

PC-AT Serial Cable

S P -
PECIFICATIONS AND IN OUTS
9-pin to RS-232 25-pin
Webcache 1000/3000
Cable connector: 9-pin female
Screen Shell
TxD 3
RxD 2
Ground 5
RTS 7
CTS 8
DSR 6
DCD 1
DTR 4
9-pin to 9-pin
Webcache 1000/3000
Cable connector: 9-pin female
Screen Shell
DTR 4
TxD 3
RxD 2
CTS 8
Ground 5
DSR 6
RTS 7
DCD 1
PC/Terminal
Cable connector: 25-pin male/female
1 Screen
RxD
3
2 TxD
7 Ground
RTS
4
20 DTR
5 CTS
6 DSR
8 DCD
PC-AT Serial Port
Cable connector: 9-pin female
Shell Screen
1 DCD
RxD
2
3 TxD
4 DTR
5 Ground
DSR
6
7 RTS
8 CTS
only required if screen
always required
required for handshake
only required if screen
Required for handshake
always required
required for handshake
always required
required for handshake