HOLT ADK-2130, Quick Start Manual

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Holt Integrated Circuits
27
Table 4 – Connector J-4 pin-out
20 Pin NAME DESCRIPTION
1 CHANNEL 0 APOS MIL-STD-1553 CH0 A+ (BUSA)
2 CHANNEL 0 ANEG MIL-STD-1553 CH0 A- (nBUSA)
3 Chassis GND Mounting screw – no other connection.
4 CHANNEL 0 BPOS MIL-STD-1553 CH0 B+ (BUSB)
5 CHANNEL 0 BNEG MIL-STD-1553 CH0 B- (nBUSB)
6 Chassis GND Mounting screw – no other connection.
7 CHANNEL1 APOS MIL-STD-1553 CH1 A+
8 CHANNEL 1 ANEG MIL-STD-1553 CH1 A-
9 Chassis GND Mounting screw – no other connection.
10 CHANNEL 1 BPOS MIL-STD-1553 CH1 B+
11 CHANNEL 1 BNEG MIL-STD-1553 CH1 B-
12 Chassis GND Mounting screw – no other connection.
13
CH0INHBIT0 Channel 0 Transmit Inhibit. 10K pull-up. Connects
to an inverter which Inverted direct connect to
2130 inhibit pins.
14 CH0 BCENAB Channel 0 BC Enable. 10K pull-up.
15 CH0 BCTRIG Channel 0 BC Trigger. 10K pull-up.
16 SPARE INPUT Unused.
17
CH1INHBIT1 Channel 0 Transmit Inhibit. 10K pull-up.
Inverted direct connect to 2130 inhibit pins.
18 CH1 BCENAB Channel 1 BC Enable. 10K pull-up.
19 CH1 BCTRIG Channel 1 BC Trigger. 10K pull-up.