User`s guide

4000/5000 Modems’ User Guide

3x Digital Outputs (O1, O2, O3) – O3 available on Power connector

Configuration Open Collector, reference to ground

Absolute Maximum IDC 500mADC (Vce = 750mVDC)

Absolute Maximum VDC 30VDC (open circuit)

Absolute Minimum VDC 0.4VDC (open circuit)

4x Digital Inputs (DI1, DI2, DI3, DI4)

Configuration Non-isolated level detection, reference to ground

Active level 1.6VDC to 30VDC

Inactive level 0VDC to 1.3VDC

Absolute Minimum VDC 0.3VDC

Absolute Maximum VDC 33VDC

Leakage IDC at 5VDC 150uADC

3x Analog Inputs (AI1, AI2, AI3) – AI3 only available on 4600/5600

Configuration Not isolated input, reference to ground

Resolution 1024 (ADC 10-bit)

VDC per step 4.8875855mVDC

Full scale level 5VDC

Zero level 0VDC

Absolute Minimum VDC -0.3VDC

Absolute Maximum VDC 8.3VDC

Leakage IDC at 5VDC 265.96 uADC TYPE

Power Specifications

Power is supplied to the modem via the 4-pin connector on the rear panel. The pins

are described as follows: