Cisco PRP-2 Installation And Configuration Manual page 42

Configuring Interfaces on the PRP
Ethernet Interface Receptacles, Cables, and Pinouts
There are two RJ-45 Ethernet interface receptacles on the PRP and one RJ-45 Gigabit Ethernet interface
receptacle on the PRP-2, providing media-dependent interface (MDI) Ethernet ports. These connections
support IEEE 802.3 and IEEE 802.3u interfaces compliant with 10BASE-T and 100BASE-TX standards.
The transmission speed of the Ethernet ports is auto-sensing by default and is user configurable.
Figure 11
an external transceiver. The RJ-45 connection requires Category 5 unshielded twisted-pair (UTP) cables,
which are not available from Cisco Systems, but are available from commercial cable vendors.
lists the pinout for the RJ-45 receptacle.
Figure 11
8 7 6 5 4 3 2 1
1
The ports labeled Ethernet, 10BASE-T, Token Ring, Console, and AUX are safety extra-low voltage
Warning
(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 10
Ethernet Port Pin
1
2
3
4
5
6
7
8
Depending on your RJ-45 cabling requirements, use the cable pinouts shown in
42
shows a PRP RJ-45 receptacle and cable connectors. The RJ-45 connection does not require
RJ-45 Receptacle and Plug (Horizontal Orientation)
1 2
RJ-45 receptacle
RJ-45 Receptacle Pinout
Signal
TxD+
TxD–
RxD+
Termination Network
Termination Network
RxD–
Termination Network
Termination Network
2 Category 5 UTP cable with plug
Description
Transmit data +
Transmit data –
Receive data +
No connection
No connection
Receive data –
No connection
No connection
Table 10
Figure 12 or Figure 13.
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