Balanced G.703 Interface Connector (P7); Table 5-9. Auxiliary Serial Connector (Usb Type B Socket); Table 5-10. Balanced G.703 Interface Connector Pin Assignments - Comtech EF Data CDM-600 Installation And Operation Manual

CDM-600 Satellite Modem
Connector Pinouts
5.9 Auxiliary Serial Connector (P6)
Provides an RS-232 serial link between the modem and the CRS-150 1:1 Redundancy
Switch.

Table 5-9. Auxiliary Serial Connector (USB Type B Socket)

Pin #
1,4
2
3
Although this port uses a USB connector, the signals are not USB
compatible. Do NOT connect this port to the USB port of a PC, or
other computing device.
WARNING
5.10

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 5-10 for pin assignments.

Table 5-10. 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.
Description
Ground
EIA-232 Transmit Data
EIA-232 Receive Data
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
5–6
Direction
Out
In
Name Direction
DDI– In
DDI+ In
GND
IDO– Out
IDO+ Out
GND
DDO– Out
DDO+ Out
IDI– In
IDI+ In
Revision 7
MN/CDM600.IOM