Comtech EF Data PCB-4300 - Manual (Page 25)

PCB-4300 1:2 Phase Combiner Revision 2
External Connectors MN/PCB4300.IOMMN/PCB4300.IOM
2–3
2.2 Monitor and Control (M&C) Interface Connectors
Note: All M&C connectors are found on the front panel of the PCCB box.
2.2.1 SYSTEM COM J1 Connector
The SYSTEM COM J1 connector is a 19-pin circular connector, type
MS3112E14-19S. It serves as the primary input between the user and the PCCB
for controlling and monitoring both SSPAs. Its pinout specification is provided in
Table 2-2.
Mating connector: ITT Cannon MS3116J14-19P
(CEFD P/N CN/MS3116J14-19P).
Table 2-2. Connector J1 Pinouts
Pin # Signal Function Signal Name / Description
A RS485_+RX Customer communications interface
B RS485_-RX Customer communications interface
C RS485_+TX Customer communications interface
D RS485_-TX Customer communications interface
E RS232_RD Customer communications interface
F Spare Reserved for future use
G RS232_TD Customer communications interface
H System Fault NO
When there is a summary fault in the PCB-4300, this pin (NO) will be tied to the Fault
Common pin.
J System Fault NC
When there is not a summary fault in the PCB-4300, this pin (NC) will be tied to the Fault
Common pin.
K Fault Common
L SSPA 1 Fault NO When there is a fault with SSPA 1, this pin (NO) will be tied to the Fault Common pin.
M SSPA 1 Fault NC When there is not a fault with SSPA 1, this pin (NC) will be tied to the Fault Common pin.
N Ground
P SSPA 2 Fault NO When there is a fault with SSPA 2, this pin (NO) will be tied to the Fault Common pin.
R SSPA 2 Fault NC When there is not a fault with SSPA 2, this pin (NC) will be tied to the Fault Common pin.
S System Mute SSPA will be muted if this pin is grounded
T SSPA 3 Fault NO ( NOTE: This pin is reserved for use with 1:2 systems only.)
U SSPA 3 Fault NC ( NOTE: This pin is reserved for use with 1:2 systems only.)
V Ground GND