Filter
Top Products
Installation 37
Model 3088A Series Getting Started Guide 3 • OnSite installation
Connecting the Model 3088A/K serial interface
The Model 3088A/K provides an E1 (G.703/G.704) interface on dual BNC connectors and an
RJ-48C receptacle.
Connecting the Model 3088A/K to an E1 Network
The Model 3088A/K supports E1 network connections. This section describes how to connect the network to
your Model 3088A/K.
Connect twisted pair (120 ohm) to E1 network
The Model 3088A/K is equipped with a single RJ-48C jack for connections to a 120 ohm twisted pair E1 net-
work interface. If your E1 network terminates via RJ-48C, use the diagram below and the table following it to
make the proper connections. The connector pinout and signals are shown in figure 8.
Figure 8. 120 Ohm RJ-48C E1 interface
Use the following connection diagram to connect the 120-ohm E1 network channel.
\
Figure 9. RJ-45 cable diagram for E1 connection
The interconnecting cables shall be acceptable for external use
and shall be rated for the proper application with respect to volt-
age, current, anticipated temperature, flammability, and
mechanical serviceability.
CAUTION
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
RJ-48C Cable (8-Wire)
E1 (G.703/G.704)
Network signal
3088/K
Signal Pin #
RX (Ring)
RX (Tip)
Shield
TX (Ring)
TX (Tip)
Shield
1
2
3
4
5
6
TX (Ring)
TX (Tip)
Shield
RX (Ring)
RX (Tip)
Shield