Comtech EF Data UT-4500 Series - Manual (Page 40)

UT4500 Series Up Converter MN/UT4500.IOM
Installation Revision 2
22
2.4.3 H
IGH
S
PEED
B
US
(HSB), C
ONNECTOR
J3
The High-Speed Bus connector, J3, is 25 pin "D" type DB25F connector socket. The
pin-out specifications is contained in Table 10. The mating connector is a DB25M.
Note: This is not a “straight through” cable assembly. Contact Comtech EF Data for detailed
wire drawings when cabling between converters.
Table 10. J3, High Speed Bus Connector Pin-Out
Pin # Description Pin # Description Pin # Description
1 Cntl_12
10 Aux_3 18 Cntl_3
2 Cntl_10 11 Aux_1 19 Cntl_1
3 Cntl_8 12 -Rx/Tx 20 +14V Out
4 Cntl_6 13 GND 21 +14V In
5 Cntl_4 14 Cntl_11 22 GND
6 Cntl_2 15 Cntl_9 23 Aux_2
7 Cntl_In 16 Cntl_7 24 GND
8 +14V Out 17 Cntl_5 25 +Rx/Tx
9 +14V In
2.4.4 S
UMMARY
F
AULT
O
UTPUT
(RELAY), C
ONNECTOR
P1
The summary fault output connector, P1, is 9 pin "D" type DB9F connector. The pin-out
specifications are contained in Table 11. The mating connector is a DB9M.
Table 11. P1, Summary Fault Connector Pin-Out
Pin # Description
1
Summary Fault NC
2 Summary Fault NO
3
4
5 Ground
6
Summary Fault Com
7 External Fault Input
8
9
Notes: 1 Pin 1 to Pin 6: Fault.
2 Pin 2 to Pin 6: No Fault.
3 Pin 7 to Pin 5: Forced Fault. Typically used with external group delay equalizers