Справочник Пользователя для 3com Webcache 3000 (3C16116)
Pin-outs
149
Modem Cable
9-pin to RS-232 25-pin
RJ-45 Pin
Assignments
Pin assignments are identical for 10BASE-T and 100BASE-TX RJ-45
connectors.
connectors.
Table 13 Pin Assignments
Screen
TxD
RxD
RTS
CTS
DSR
Ground
DCD
DTR
RxD
RTS
CTS
DSR
Ground
DCD
DTR
Screen
TxD
RxD
RTS
CTS
DSR
Ground
DCD
DTR
RxD
RTS
CTS
DSR
Ground
DCD
DTR
Shell
3
2
7
8
6
5
1
4
2
7
8
6
5
1
4
1
2
3
4
5
6
7
8
20
2
3
4
5
6
7
8
20
Webcache 1000/3000
Cable connector: 9-pin female
RS-232 Modem Port
Cable connector: 25-pin male
Pin Number
Signal
Function
Ports configured as MDI
1
Transmit Data +
Bidirectional Data A+
2
Transmit Data +
Bidirectional Data A-
3
Receive Data +
Bidirectional Data B+
4
Not assigned
Bidirectional Data C+
5
Not assigned
Bidirectional Data C-
6
Receive Data –
Bidirectional Data B-
7
Not assigned
Bidirectional Data D+
8
Not assigned
Bidirectional Data D-
Ports configured as MDIX
1
Receive Data +
Bidirectional Data B+
2
Receive Data -
Bidirectional Data B-
3
Transmit Data +
Bidirectional Data A+
4
Not assigned
Bidirectional Data D+
5
Not assigned
Bidirectional Data D-
6
Transmit Data –
Bidirectional Data A-
7
Not assigned
Bidirectional Data C+
8
Not assigned
Bidirectional Data C-