Patton electronic 1088/K - Manual (Page 15)

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The following is a description of the jumper settings with respect to the
rear panel connectors.
• For a 75-ohm connection (coax) insert JP1, JP4, JP5, and JP6
(default)
• For a 120-ohm connection (RJ45) remove JP1 and JP4, JP5, and
JP6.
Connect Twisted Pair (120 ohm) to G.703 Network
The Model 1088/K is equipped with a single RJ-48C jack for connections
to a 120 ohm twisted pair G.703/G.704 network interface. If your G.703/
G.704 network terminates via RJ-48C, use the diagram below and the
table on the following page to make the proper connections. The connec-
tor pinout and signals are shown in Figure 6.
Figure 6. 120 Ohm RJ-48C G.703 Interface
Use the following connection diagram to connect the 120 ohm G.703/
G.704 network channel.
Connect Dual Coaxial Cable (75 ohm) to G.703 Network
The Model 1088/K is also equipped with dual female BNCs (TX and RX)
for connection to a 75 ohm dual coax G.703 network interface. If your
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2
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2
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8 (RX) Receive (Ring)
(RX) Receive (Tip)
Shield
(TX) Transmit (Ring)
(TX) Transmit (Tip)
Shield
No connection
No connection
Signal Name RJ-48C Jack
RJ-48C Cable (8-Wire)
1088/K G.703/G.704
SIGNAL PIN# NETWORK SIGNAL
RX(R) 1-----------------------TX(R)
RX(T)
2-----------------------TX(T)
TX(R) 5-----------------------RX(R)
TX(T) 4-----------------------RX(T)
Shield 3-----------------------Shield
Shield 6-----------------------Shield