User's Manual

Chapter 4. Subscriber Equipment Installation
4–10
10004880 Rev. D1
Connecting to the Local Computer or LAN
To connect the Interface Box to the subscriber’s computer(s):
1. Provide an appropriate Cat 5 Ethernet cable with an RJ45 male connector at each
end. Use a straight-through cable for connection to a hub or switch. Use a crossover
cable for connection directly to a computer. (See Table 4-A for pinouts.)
2. Plug one end of the Ethernet cable into the RJ45 socket labeled LAN on the Interface
Box, as illustrated in Figure 4-9.
3. Plug the other end of the Ethernet cable into the socket on the local hub, switch,
or computer.
Figure 4-9 Subscriber Ethernet Connection
Table 4-A Ethernet Cable Pinouts
Straight Cable (to Hub or Router) Crossover Cable (to PC)
Pin 1: Tx+ Pin 1: Rc+ Pin 1: Rc+ Pin 3: Tx+
Pin 2: Tx- Pin 2: Rc- Pin 2: Rc- Pin 6: Tx
Pin 3: Rc+ Pin 3: Tx+ Pin 3: Tx+ Pin 1: Rc+
Pin 6: Rc- Pin 6: Tx- Pin 6: Tx- Pin 2: Rc-
To computer or LAN
LAN port