Odule And System; Ethernet Module Pin Assignments - 3Com CoreBuilder 2500 Getting Started Manual

M
ODULE AND
B
This appendix contains the pin assignments for the
CoreBuilder ™ 2500 modules, serial port connectors,
and the optical bypass switch.

Ethernet Module Pin Assignments

Figure B-1 shows the pin assignments for the
10BASE-FL Ethernet module.
pin assignments for the 10BASE-5 (AUI) module.
Table B-2 and Table B-3
for the 10BASE-T (RJ-21 and RJ-45) Ethernet
modules.
Error Active Error Active Error Active Error
Board
1 2 3
Error TX RX TX RX TX RX
Transmit Receive
Port 1 Port 1
Figure B-1 10BASE-FL Pin Assignments
Table B-1 shows the
show the pin assignments
Active Error Active Error Active Error Active Error
4 5 6 7
TX RX TX RX TX RX TX RX TX
Transmit
Port 8
S P
YSTEM INOUTS
Table B-1 10BASE-5 (AUI) Pin Assignments
Pin No. Description
1
2
3
4
5
6
7
8
9
Active Port Status 10
11
8
RX
12
13
Receive
Port 8 14
15
Collision shield
Collision +
Transmit +
Receive shield
Receive +
Power return
Not used
Not used
Collision –
Transmit –
Transmit shield
Receive –
+12 volts
Voltage shield
Not used