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Connecting the Twisted Pair (120 ohm) to the G.703 Network
Refer to the pinout and signals chart in Figure 6 to connect the 120-ohm
G.703 network channel.
Figure 6.
G.703 120-ohm connection.
Connecting the 10Base-T Ethernet port to a PC (DTE)
To connect the Model 2707/I to another DTE device such as a 10Base-T
network interface card, construct a 10Base-T crossover cable and con-
nect the wires as shown in Figure 7 below and Figure 8 on page 15.
Figure 7.
Connecting the 10Base-T Ethernet Port to a PC
NETWORK SIGNAL SIGNAL PIN#
RX(R)
RX(T)
TX(R)
TX(T)
Shield
Shield
4
5
1
2
3
6
TX(R)
TX(T)
RX(R)
RX(T)
Shield
Shield
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
(RX) Receive (Ring)
(RX) Receive (Tip)
Shield
(TX) Transmit (Ring)
(TX) Transmit (Tip)
Shield
No connection
No connection
Signal NameRJ-48C Jack
1 TD+ (data output from 2707/I)
2 TD- (data output from 2707/I)
3 RD+ (data input to 2707/I)
4 (no connection)
5 (no connection)
6 RD- (data input to 2707/I)
7 (no connection)
8 (no connection)
1
2
3
4
5
6
7
8