Industrial Data Systems IDS 440 - Manual (Page 59)

IDS440 Users Manual version 4.2
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TTL I/O Port Connector - TB 4
TTL outputs 1 thru 8 will drive 24ma at TTL low level, and 8ma at TTL hi level. Output
9 is an open collector output with 4.7k-ohm resistor to +5V.
TTL I/O - TB 4
Pin # Signal Name
1 TTL Output 1 (Printer Data 1)
2 TTL Output 2 (Printer Data 2)
3 TTL Output 3 (Printer Data 3)
4 TTL Output 4 (Printer Data 4)
5 TTL Output 5 (Printer Data 5)
6 TTL Output 6 (Printer Data 6)
7 TTL Output 7 (Printer Data 7)
8 TTL Output 8 (Printer Data 8)
9 TTL Output 9 (Printer Strobe -)
10 TTL Input 1 (Scale Basic Fn 1)
11 TTL Input 2 (Scale Basic Fn 2)
12 TTL Input 3 (Scale Basic Fn 3)
13 TTL Input 4 (Scale Basic Fn 4)
14 TTL Input 5 (Printer Busy +)
15 TTL Input 6 (Printer Error)
16 Ground (GND)