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MX410/MX412 System Manual Front Panel
61189500L1-1B PRELIMINARY 4-7
Ethernet Ports
The four Ethernet jacks labeled ETHERNET located on the MX410/MX412 front panel provide
LAN access to the Network. From these ports, devices located on the local area network can be
remotely managed. The Ethernet ports have automatic rate detection and perform MDI/MDI-X
crossover detection eliminating the need for a crossover cable. The Ethernet ports can be
accessed using standard CAT 5 cable with an RJ-45 connector. The pin assignments for the
RJ-45 connector are listed in Table 4-4.
WARNING
The Ethernet and Terminal Server Port 1-4 interfaces must not be
metallically connected to interfaces which connect to the OSP or its
wiring. These interfaces are designed for use as intra-building
interfaces only. The addition of Primary Protectors is not sufficient
protection in order to connect these interfaces metallically to OSP
wiring.
Table 4-4. Ethernet Port Pin List
Pin Function
1 TX+
2 TX–
3 RX+
4 No Connect
5 No Connect
6 RX–
7 No Connect
8 No Connect