Cisco GSR12/60 - 12012 Router -AnyLAN, SONET/SDH Installation And Configuration Manual page 141

Figure 3-20 RJ-45 Receptacle and Plug (Horizontal Orientation)
8 7 6 5 4 3 2 1
1
1 RJ-45 receptacle
Warning The ports labeled Ethernet, 10BASE-T, Token Ring, Console, and AUX are
safety extra-low voltage (SELV) circuits. SELV circuits should only be connected to other
SELV circuits. Because the BRI circuits are treated like telephone-network voltage, avoid
connecting the SELV circuit to the telephone network voltage (TNV) circuits.
Table 3-7 PRP RJ-45 Ethernet Receptacle Pinout
Ethernet Port Pin Signal
1 TxD+
2 TxD–
3 RxD+
4 Termination Network
5 Termination Network
6 RxD–
7 Termination Network
8 Termination Network
Connecting Route Processor Cables
2
2 Category 5 UTP cable with plug
Description
Transmit data +
Transmit data –
Receive data +
No connection
No connection
Receive data –
No connection
No connection
Installing a Cisco 12012 3-45