Xsat Unit B Interface, J3; Tx Waveguide Switch Interface, J4; Table 5-5. Xsat B Signal Description (Connector J3); Table 5-6. Tx Waveguide Switch Signal Description (Connector J4) - Comtech EF Data XSAT-7080 Series Installation And Operation Manual

XSAT7080 X-Band Transceiver
Redundant Systems
5.2.1.3 XSAT U
NIT
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.
Pin
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
5.2.1.4 T W
X AVEGUIDE
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
A
B
C
D
E
F
B I , J3
NTERFACE

Table 5-5. XSAT B Signal Description (Connector J3)

Signal Name Type
RS485 RX+ Pass-thru
RS485 RX- Pass-thru
RS485 TX+ Pass-thru
RS485 TX- Pass-thru
n.c.
REDUND_FLT* Output
n.c.
AUXCOM_RD Output
AUXCOM_TD Input
FAULT COMMON Output
XSAT B FLT – NO Input
n.c.
B SELECT* Output
POSITION B* Output
B +24V Input
REDUNDANCY B* Output
GROUND Passive
GROUND Passive
n.c.
S
WITCH INTERFACE
Signal Name Type
POS A CMD Output
CMD RETURN Passive
POS B CMD Output
POS A INDICATOR Input
IND COMMOM Passive
POS B INDICATOR Input
Description
RS-485 Rx+, From M&C to XSAT Unit B
RS-485 Rx-, From M&C to XSAT Unit B
RS-485 Tx+, To M&C from XSAT Unit B
RS-485 Tx-, To M&C from XSAT Unit B
Fault Signal to XSAT B from RSU-5060
RS2332 from RSU-5060 to XSAT B
RS232 from XSAT B to RSU-5060
Shorted to pin K = O.K. , open = Faulted
Ground signal to XSAT B
Ground = B Online, Open = B Offline
+24VDC input power
Ground signal to XSAT B
, J4
.
Description
24 VDC, 350 millisecond, Command Pulse
Grounded internal to RSU-5060
24 VDC, 350 millisecond, Command Pulse
Shorted to Pin E = POSITION A
Grounded internal to RSU-5060
Shorted to Pin E = POSITION B
5-5
Revision 0
MN/XSAT7080.IOM