AMX EXB-COM2 Specifications download pdf (Page 41)

EXB-MP1

ICSLan Device Control Boxes

When used for voltage inputs, the I/O port detects a low signal (0 - 1.5 VDC) as a Push, and a high

signal (3.3 - 5 VDC) as a Release.

Although a high signal is defined as 3.3 - 5 VDC, this port can handle up to 12V without harm.

When used for outputs, the I/O port acts as a switch to GND and is rated for 200mA @ 12 VDC.

Port 3 (IR-TX/Serial)

Port 3 on the rear panel is an 2-pin 3.5mm captive-wire IR-TX connector that supports one (optional)

CC-NIRC IR Emitter.

Port 4 (IR-RX)

Port 4 on the rear panel is a 1/8th inch (6.35 mm) IR-RX (TRS) connector.

The I/Os on this Module are not dry closure; they are electronic switches that float at

3V when Off. Therefore, they should not be expected to work in situations that require

true dry contact (or dry closure). The I/Os do work with AMX PC1, PC2, UPC20 and

UPC20+.

EXB-MP1 Port 3 Pin Assignments

Signal Function

+ IR/Serial port 1 +

- IR/Serial port 1 -

The maximum baud rate for ports using DATA mode is 19200. Also, DATA mode

works best when using a short cable length (< 10 feet).

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AMX EXB-COM2 Specifications Page 41