Rx Waveguide Switch Interface, J2; Csat Unit B Interface, J3; Table 5-3. Rx Waveguide Switch Signal Description (Connector J2); Table 5-4. Csat B Signal Description (Connector J3) - Comtech EF Data CSAT-5060 Installation And Operation Manual

C-Band Transceiver
Redundant Systems
5.1.1.3

Rx Waveguide Switch interface, J2

The J2 interface connector (6-pin) provides the control and indicator signals between the
Rx Waveguide Switch and the RSU-5060.

Table 5-3. Rx Waveguide Switch Signal Description (Connector J2)

Pin Signal Name
A POS A CMD
B CMD RETURN
C POS B CMD
D POS A INDICATOR
E IND COMMON
F POS B INDICATOR
5.1.1.4

CSAT Unit B Interface, J3

The J3 interface connector (19-pin) provides the communications and control signals as
well as the +24 VDC power signal necessary between CSAT 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
Type
Output
Passive
Output
Input
Passive
Input

Table 5-4. CSAT 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
CSAT B FLT – NO Input
n.c.
B SELECT* Output
POSITION B* Output
B +24V Input
REDUNDANCY B* Output
GROUND Passive
GROUND Passive
n.c.
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
Description
RS-485 Rx+, From M&C to CSAT Unit B
RS-485 Rx-, From M&C to CSAT Unit B
RS-485 Tx+, To M&C from CSAT Unit B
RS-485 Tx-, To M&C from CSAT Unit B
Fault Signal to CSAT B from RSU-5060
RS232 from RSU-5060 to CSAT B
RS232 from CSAT B to RSU-5060
Shorted to Pin K = O.K., open = Faulted
Ground signal to CSAT B
Ground = B Online, Open = B Offline
+24VDC input power
Ground signal to CSAT B
5–3
Revision 1
MN/CSAT5060.IOM