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1
VMIACC-5595 Installation Guide
Ethernet Port
The Ethernet port is configured for standard 10/100 BaseT Ethernet cables, with the
most popular type of Ethernet cables in use being CAT5 cables.
CAT5 is the 5
th
generation of twisted pair Ethernet cabling. CAT5 cable contains four
pairs of copper wire. It supports Fast (100 Mbps) Ethernet and comparable
alternatives such as ATM. As with all other types of twisted pair EIA/TIA cabling,
CAT5 cable runs are limited to a maximum recommended run rate of 100m (328 feet).
Although CAT5 cable usually contains four pairs of copper wire, Fast Ethernet
communications only utilize two pairs.
Figure 1-12
Ethernet Port and Pin Locations
Table 1-5
Ethernet Port RJ45 Connector Pinout
Pin No.
Description
1
TX+ Transmit Plus
2
TX- Transmit Minus
3
RX+ Receive Plus
4
N.C. No Connect
5
N.C. No Connect
6
RX- Receive Minus
7
N.C. No Connect
8
N.C. No Connect
1
2
3
4
5
6
7
8
Pin No.
LNK
ACT
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