Ethernet Port Connector - IBM 21Y Maintenance Manual

Ethernet port connector

The following table shows the pin-number assignments for
the ethernet port connector. These assignments apply to
both 10BASE-T and 100BASE-TX devices.
1
Ethernet speed 100 Mbps LED
2
Ethernet link status LED
Table 14. Ethernet RJ-45 connector pin-number
assignments.
Pin
1 Transmit data+
2 Transmit data-
3 Receive data+
4 Not connected
Signal Pin
5 Not connected
6 Receive data -
7 Not connected
8 Not connected
Installing options
Signal
73