CDM-625 Advanced Satellite Modem
Revision 1
Rear Panel Connector Pinouts
MN-0000036 (Ref MN/CDM625.IOM)
3.3.2.3 Quad E1 Operation via the Balanced G.703 / Aux G.703 Connectors
For Quad E1 operation, the optional CA-0000163 and CA-0000164 Adapter Cables, shown in
Figure
3-3
and
Figure 3-4
respectively, may be purchased from Comtech EF Data to adapt the Balanced
G.703 or Auxiliary G.703 9-pin Type ‘D’ female connectors to either a standard 15-pin Type ‘D’ or a
RJ-48 female connection pair. Refer to
Table 3-6
or
Table 3-7
for the pin assignment for these
optional adapter cables.
3.3.2.3.1
CA-0000163 Adapter Cable
Figure 3-3. CA-0000163 Adapter Cable (DB-9M
Æ
(2X) DB-15F)
Table 3-6. CA-0000163 Pin Assignments
P1
J1
J2
Twisted
Pair
Signal Function
5 9
X
Port 1 or 3 Tx In +
9
1
Port 1 or 3 Tx In -
4
11
X
Port 1 or 3 Rx In +
8
3
Port 1 or 3 Rx In -
7
9
X
Port 2 or 4 Tx In +
2
1
Port 2 of 4 Tx In -
6
11
X
Port 2 or 4 Rx In +
1
3
Port 2 or 4 Rx In -
3
2 2
-
GND
3–8
