Switch Configuration For G.703 2048 Kbit/S Interface; Connector Pinouts - Comtech EF Data SDM-650B Installation And Operation Manual

SDM-650B Satellite Modem

3.2.4.3 Switch Configuration for G.703 2048 kbit/s Interface

Switch 1 is an 8-position dip switch located at the end of the G.703 interface board.
Table 3-4 lists the switch settings for data rates and available coding for the G.703
2048 kbit/s interface.

3.2.4.4 Connector Pinouts

The G.703 2048 kbit/s interface is provided on a 15-pin female D connector accessible
from the rear panel of the modem. Screw locks are provided for mechanical security of
the mating connector.
SEND DATA
RECEIVE DATA
MASTER CLOCK
MODULATOR FAULT
DEMODULATOR FAULT
GROUND
Rev. 5
Signal Function Name Pin #
SD-A 1
SD-B 9
RD-A 3
RD-B 11
MC-A 7
MC-B 8
---- 14
---- 15
GND 2, 4
Configuration
3–27