4–2 Site Preparation and Maintenance
4.1.1 Standard Ethernet
The standard Ethernet connector matches the signal specifications described in The
Ethernet: A Local Area Network: Data Link Layer and Physical Layer Specification.
Figure 4-1 shows how the pins are numbered on a standard Ethernet transceiver in-
terface connector and lists the signals for the standard Ethernet connector pins.
Figure 4–1: Pin Numbers and Signals for Standard Ethernet Connector
PIN 1 8
PIN 9 15
Pin Number Signal Name
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Shield
Collision Presence +
Transmit +
Reserved
Receive +
+12 Volt Power return
Reserved
Reserved
Collision Presence –
Transmit –
Reserved
Receive –
+12 Volt Power
Reserved
Reserved
LKG-2582-91I