Nortel Networks Passport 4400 - Manual (Page 43)

Connecting the Ethernet Base Passport 4400 Hardware Installation Manual
3-5
Ethernet Access Ports
The base module has hardware for both 10BaseT and AUI ports. However, only
one of these ports can be used at any one time.
Figure 3-4. Ethernet 10BaseT Connector
Figure 3-5. Ethernet AUI Connector
(Tx+) Transmit data positive
(Tx-) Transmit data negative
(Rx+) Receive data positive
(Rx-) Receive data negative
RJ45 pin assignments
RJ45
Pin 1
1
2
3
4
5
6
7
8
Pins 4, 5, 7, 8 Not Connected
Chassis ground
(CD+) Collision detect positive
(Tx+) Transmit data positive
Ground
(Rx+) Receive data positive
Ground
Ground
(CD-) Collision detect negative
(Tx-) Transmit data negative
Logic ground
(Rx-) Receive data negative
Ground
+12 volts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DB-15 pin assignments
Pins 7, 15 Not Connected
Pin 1