Specifications

Configuration SDM-650B Satellite Modem
3–18 Rev. 5
3.2.2.2 Connector Pinouts
The V.35 interface is provided on the industry standard 34-pin block connector accessible
from the rear panel of the modem. Screw locks are provided for mechanical security of
the mating connector.
Signal Function Name Pin #
SIGNAL GROUND SG A, B
SEND DATA SD-A
SD-B
P
S
SERIAL CLOCK TRANSMIT SCT-A
SCT-B
Y
(AA)
RECEIVE DATA RD-A
RD-B
R
T
REQUEST TO SEND RTS C
SERIAL CLOCK RECEIVE SCR-A
SCR-B
V
X
CLEAR TO SEND CTS D
DATA SET READY DSR E
RECEIVE LINE SIGNAL DETECT RLSD F
SERIAL CLOCK TRANSMIT EXT SCTE-A
SCTE-B
U
W
MODULATOR FAULT
−
(MM) m
DEMODULATOR FAULT
−
(NN) n
MASTER CLOCK
(INPUT)
MC-A
MC-B
(CC) c
(DD) d