Comtech EF Data XSAT-7080 - Manual (Page 61)

XSAT7080 X-Band Transceiver Revision 0
Redundant Systems MN/XSAT7080.IOM
5-5
5.2.1.3 XSAT U
NIT
B I
NTERFACE
, J3
The J3 interface connector (19-pin) provides the communications and control signals as well as
the +24 VDC power signal necessary between XSAT Unit B and the RSU-5060.
Table 5-5. XSAT B Signal Description (Connector J3)
Pin Signal Name Type Description
A RS485 RX+ Pass-thru RS-485 Rx+, From M&C to XSAT Unit B
B RS485 RX- Pass-thru RS-485 Rx-, From M&C to XSAT Unit B
C RS485 TX+ Pass-thru RS-485 Tx+, To M&C from XSAT Unit B
D RS485 TX- Pass-thru RS-485 Tx-, To M&C from XSAT Unit B
E n.c.
F REDUND_FLT* Output Fault Signal to XSAT B from RSU-5060
G n.c.
H AUXCOM_RD Output RS2332 from RSU-5060 to XSAT B
J AUXCOM_TD Input RS232 from XSAT B to RSU-5060
K FAULT COMMON Output
L XSAT B FLT – NO Input Shorted to pin K = O.K. , open = Faulted
M n.c.
N B SELECT* Output Ground signal to XSAT B
P POSITION B* Output Ground = B Online, Open = B Offline
R B +24V Input +24VDC input power
S REDUNDANCY B* Output Ground signal to XSAT B
T GROUND Passive
U GROUND Passive
V n.c.
5.2.1.4 T
X
W
AVEGUIDE
S
WITCH INTERFACE
, J4
The J4 interface connector (6-pin) provides the control and indicator signals between the Tx
Waveguide Switch and the RSU-5060
.
Table 5-6. Tx Waveguide Switch Signal Description (Connector J4)
Pin Signal Name Type Description
A POS A CMD Output 24 VDC, 350 millisecond, Command Pulse
B CMD RETURN Passive Grounded internal to RSU-5060
C POS B CMD Output 24 VDC, 350 millisecond, Command Pulse
D POS A INDICATOR Input Shorted to Pin E = POSITION A
E IND COMMOM Passive Grounded internal to RSU-5060
F POS B INDICATOR Input Shorted to Pin E = POSITION B