Tx waveguide switch interface, j4, M&c interface, j5 – Comtech EF Data CSAT-5060 User Manual
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C-Band Transceiver
Revision 1
Redundant Systems
MN/CSAT5060.IOM
5–4
5.1.1.5
Tx Waveguide Switch interface, J4
The J4 interface connector (6-pin) provides the control and indicator signals between the
Tx Waveguide Switch and the RSU-5060.
Table 5-5. 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 COMMON
Passive
Grounded internal to RSU-5060
F
POS B INDICATOR Input
Shorted to Pin E = POSITION B
5.1.1.6
M&C Interface, J5
The J5 interface connector (19-pin) provides the communications and control signals
between the RSU-5060 and the customer M&C system.
Table 5-6. M&C Signal Description (Connector J5)
Pin
Signal Name
Type
Description
A
RS485 RX+
Pass-thru
RS-485 Rx+, From M&C to CSAT A&B
B
RS485 RX-
Pass-thru
RS-485 Rx-, From M&C to CSAT A&B
C
RS485 TX+
Pass-thru
RS-485 Tx+, To M&C from CSAT A&B
D
RS485 TX-
Pass-thru
RS-485 Tx-, To M&C from CSAT A&B
E
B ONLINE CLOSED Output
Shorted to Pin K = CSAT B Online
F n.c.
G n.c.
H n.c.
J n.c.
K IND/FLT
COMMON
Input
L
A FAULT OPEN
Output
Shorted to Pin K = CSAT A Faulted
M
B FAULT OPEN
Output
Shorted to Pin K = CSAT B Faulted
N n.c.
P
RED AUTO/MAN
Input
Ground = Manual, Open = Auto
R n.c.
S
A ONLINE CLOSED Output
Shorted to Pin K = CSAT A Online
T GROUND
Passive
U GROUND
Passive
V
SWITCH CMD
Input
Momentary short to GND, otherwise OPEN