Balanced G.703 Interface Connector (P7); Bnc Connectors; Table 5-8. Balanced G.703 Interface Connector Pin Assignments; Table 5-9. Bnc Connectors - Comtech EF Data CDM-600L Installation And Operation Manual

CDM-600L Satellite Modem
Connector Pinouts
5.8

Balanced G.703 Interface Connector (P7)

The Balanced G.703 connection is a 15-pin female connector located on the rear panel of
the modem. Refer to Table 5-8 for pin assignments.

Table 5-8. Balanced G.703 Interface Connector Pin Assignments

Pin #
1*
9*
2
10
3*
11*
4
12
5
13
6
14
7
15
8
* Use for all non-Drop and Insert and T2/E2 balanced applications.
5.9

BNC Connectors

The BNC connector located on the rear panel of the modem. Refer to Table 5-9 for pin
assignments.
BNC Connector
RX-IF
TX-IF
EXT CLK
IDI
DDO
RX (IDO)
TX (IDI)
EXT REF
Signal Function
Drop Data Input ( - )
Drop Data Input (+)
Ground
Not Used
Insert Data Output ( - )
Insert Data Output (+)
Ground
Drop Data Output ( - )
Drop Data Output (+)
Insert Data Input ( - )
Insert Data Input (+)
Not Used
Not Used
Not Used
Not Used

Table 5-9. BNC Connectors

Reference
J1
J2
J9
J10A
J11A
J10B
J11B
J12
5–7
Name
DDI–
DDI+
GND
IDO–
IDO+
GND
DDO–
DDO+
IDI–
IDI+
Description
RX-IF signals
TX-IF signals
External Clock Input
Insert Data Input
Drop Data Output
RX G.703 (Unbalanced)
TX G.703 (Unbalanced)
External Synthesizer
Reference Input
Revision 2
MN/CDM600L.IOM
Direction
In
In
Out
Out
Out
Out
In
In
Direction
In
Out
In
In
Out
Out
In
In