
MS-4X Imager User Manual
A-5
Appendices
Appendix B — Electrical Specifications
Power: 4.0 Watts (max.)
5VDC +/– 5%, 200 mV p-p max. ripple, 554 mA @ 5VDC (typ.)
Optional Int: 10-28V Accy
Host Connector / Pin Assignments
High Density 15 Pin D-sub Socket Connector
a. Can sink 10 mA and source 10 mA.
b. The default is activated by connecting pin 8 to ground pin 4.
c. Chassis ground: Used to connect chassis body to earth ground only. Not to be used as power or signal return.
Direct Input / Output Diagrams
Pin Host RS-232 Host/Aux RS-232 Host RS-422/485 In/Out
1 Power +5 VDC In
2 TxD TxD TxD(–) Out
3 RxD RxD RxD(–) In
4 Power/Signal Ground
5 NC
6 RTS Aux TxD TxD(+) Out
7 Output 1 TTL a Out
8 Default configuration b In
9 Trigger In
10 CTS Aux RxD RxD(+) In
11 Output 3 TTL a Out
12 New Master (NPN) In
13 Chassis ground c
14 Output 2 TTL a Out
15 NC
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