Comtech EF Data CSAT-5060 - Manual (Page 45)

C-Band Transceiver Revision 1
Redundant Systems MN/CSAT5060.IOM
5–3
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 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
5.1.1.4 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.
Table 5-4. CSAT B Signal Description (Connector J3)
Pin Signal Name Type Description
A RS485 RX+ Pass-thru RS-485 Rx+, From M&C to CSAT Unit B
B RS485 RX- Pass-thru RS-485 Rx-, From M&C to CSAT Unit B
C RS485 TX+ Pass-thru RS-485 Tx+, To M&C from CSAT Unit B
D RS485 TX- Pass-thru RS-485 Tx-, To M&C from CSAT Unit B
E n.c.
F REDUND_FLT* Output Fault Signal to CSAT B from RSU-5060
G n.c.
H AUXCOM_RD Output RS232 from RSU-5060 to CSAT B
J AUXCOM_TD Input RS232 from CSAT B to RSU-5060
K FAULT COMMON Output
L CSAT B FLT – NO Input Shorted to Pin K = O.K., open = Faulted
M n.c.
N B SELECT* Output Ground signal to CSAT 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 CSAT B
T GROUND Passive
U GROUND Passive
V n.c.