Comtech EF Data SDM-650B - Manual (Page 69)

SDM-650B Satellite Modem Configuration
Rev. 5 3–27
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.
Signal Function Name Pin #
SEND DATA SD-A
SD-B 1
9
RECEIVE DATA RD-A
RD-B 3
11
MASTER CLOCK MC-A
MC-B 7
8
MODULATOR FAULT ---- 14
DEMODULATOR FAULT ---- 15
GROUND GND 2, 4