5.2 Connecting to LAN
The device provides up to four 10/100/1000Base-T (Gigabit Ethernet) RJ-45 ports and up to
eight 10/100Base-TX (Fast Ethernet) RJ-45 ports for connection to the LAN. These Ethernet
ports can operate in pairs (groups) to provide 1+1 port redundancy. In each pair, one port
serves as the active port while the other as standby. When the active port fails, the device
switches to the standby port.
Notes:
• The type and number of Ethernet ports depends on ordered hardware
configuration.
• The Fast Ethernet ports are available only on "pure" SBC Mediant 800 (i.e., without
PSTN / Gateway interfaces).
By default, the Ethernet ports are grouped into pairs as shown in the figure below. You can
change this port assignment, including assigning only a single port to an Ethernet Group. For
more information, refer to the User's Manual.
Figure 5-2: LAN Port-Pair Groups and Web Interface String Names
These ports support half- and full-duplex modes, auto-negotiation, and straight or crossover
cable detection.
Cable specifications:
Cable: Category 5e or Category 6 shielded twisted pair (STP) straight-through
Connector Type: RJ-45
Connector Pinouts:
Table 5-1: RJ-45 Connector Pinouts for GbE/FE
Pin Signal Name
1
Ethernet signal pair (10/100/1000Base-T)
2
3
Ethernet signal pair (10/100/1000Base-T)
6
4
Ethernet signal pair (1000Base-T)
5
7
Ethernet signal pair (1000Base-T)
8
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