XSAT7080 X-Band Transceiver
Revision 0
Redundant Systems
MN/XSAT7080.IOM
5-4
5.2.1.1 XSAT U
NIT
A I
NTERFACE
, J1
The J1 interface connector (19-pin) provides the communications and control signals as well as
the +24 VDC power signal necessary between XSAT Unit A and the RSU-5060.
Table 5-3. XSAT A Signal Description (Connector J1)
Pin Signal Name
Type
Description
A
RS485 RX+
Pass-thru RS-485 Rx+, From M&C to XSAT Unit A
B
RS485 RX-
Pass-thru RS-485 Rx-, From M&C to XSAT Unit A
C
RS485 TX+
Pass-thru RS-485 Tx+, To M&C from XSAT Unit A
D
RS485 TX-
Pass-thru RS-485 Tx-, To M&C from XSAT Unit A
E n.c.
F
REDUND_FLT*
Output
Fault Signal to XSAT A from RSU-5060
G n.c.
H AUXCOM_RD
Output RS2332
from RSU-5060 to XSAT A
J
AUXCOM_TD
Input
RS232 from XSAT A to RSU-5060
K FAULT
COMMON
Output
L
XSAT A FLT – NO Input
Shorted to pin K = O.K. , open = Faulted
M n.c.
N n.c.
P POSITION
A*
Output Ground
= A Online, Open = A Offline
R
A +24V
Input
+24VDC input power
S
REDUNDANCY A* Output
Ground signal to XSAT A
T GROUND
Passive
U GROUND
Passive
V n.c.
5.2.1.2 R
X
W
AVEGUIDE
S
WITCH INTERFACE
, J2
The J2 interface connector (6-pin) provides the control and indicator signals between the Rx
Waveguide Switch and the RSU-5060.
Table 5-4. Rx Waveguide Switch Signal Description (Connector J2)
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
