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Comtech EF Data CRS-150 User Manual

Page 43

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CRS-150 1:1 Redundancy Switch

Revision 2

Connector Pinouts

MN/CRS150.IOM

3–17

3.4.3 E1/T1 RJ-48 Connection via Balanced G.703 Interface Connector

For E1/T1 operation via an RJ-48 user interface, the optional CN-0000268 Adapter, shown in
Figure 3-2, may be purchased from Comtech EF Data to adapt the Balanced E1/T1 G.703
DB-15F connector on the front panel of the CRS-150 to an RJ-48 female connection.







CN-0000268 Adapter Pin Assignments

Pin #

Signal Name

RJ-48 (User Side)

DB-15M (Modem Side)

1 9 Tx+

2 1 Tx-

3 2 GND

4 11 Rx+

5 3 Rx-

6 4 GND

Note: Pins 7 and 8 on the RJ-48 side, and pins 5-8, 10, and 12-15
on the DB-15 side, are not used.

Figure 3-2. CN-0000268 DB-15M Æ RJ-48F Adapter for E1/T1 Operation

User Interface Side (RJ-48 F) Switch Interface Side (DB-15M)