Sierra Wireless MP 875 - Manual (Page 62)

MP 875 Modem User Guide
I/O port characteristics
Absolute maximum voltage -0.3 VDC to 36 VDC
Digital I/O count Total: 4; two dedicated inputs, two
configurable input/outputs
Digital inputs Open collector, max current 500 mA
Vih, min 2 VDC
Vil, max 0.8 VDC
Vih, max 36 VDC
Digital outputs Open collector
Analog input count Total: 4
Analog input Zero-scale: 0 VDC
Full-scale: 3.3 VDC
Leakage current: 66 µA
3G Watcher software
Operating systems:
laptops Microsoft
®
Windows
®
Vista
™, 2000, and XP
Language English, French
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