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Crestron MC2W 2-Series Integrated Wireless Control System

Connectors, Controls & Indicators (Continued)

CONNECTORS

, CONTROLS &

INDICATORS

DESCRIPTION

INFRARED-SERIAL OUTPUT

(A – D)

3, 4

A B C D

S G S G S G S G

IR SERIAL OUT

(4) 2-pin 3.5mm detachable terminal blocks, IR/Serial output ports;

IR output up to 1.2 MHz;

1-way serial TTL/RS-232 (0-5 Volts) up to 115.2k baud;

Individual signal generator per port, allowing simultaneous firing of

all ports.

8 IR IN

IR IN

T R S

(1) 3-pin 3.5 mm detachable terminal block;

For connection of the CNXRMIRD IR Receiver (sold separately);

Allows IR wireless control from Crestron or third-party remotes

using RC-5 IR commands.

9 I/O

(1 – 4)

5, 6

I/O

1 2 3 4 G

(1) 5-pin 3.5mm detachable terminal block comprising (4) digital

input/output or analog input ports (referenced to GND);

Digital Input: Rated for 0-24 Volts DC, input impedance 20k ohms,

logic threshold 1.24 Volts DC;

Digital Output: 250 mA sync from maximum 24 Volts DC, catch

diodes for use with “real world” loads;

Analog Input: Rated for 0-10 Volts DC, protected to 24 Volts DC

maximum, input impedance 20k ohms;

Programmable 5 Volts, 2k ohms pull-up resistor per pin.

10 RELAY OUT (1 – 4)

1 2 3 4

RELAY OUT

(1) 8-pin 3.5mm detachable terminal block comprising (4) normally

open, isolated relays;

Rated 1 Amp, 30 Volts AC/DC;

MOV arc suppression across contacts.

COM (A – B)

7, 8, 9

COM B

COM A

(2) DB9 male, bidirectional RS-232/422/485 ports;

Up to 115.2k baud;

Hardware and software handshaking support;

All ports support C2N-NPA8 Network Poll Accelerator

PIN DIRECTION DESCRIPTION

To MC2W

(RXD-) RS-422 Receive Data (Idles low)

To MC2W

(RXD) RS-232 Received Data

From MC2W

(TXD) RS-232 Transmitted Data

From MC2W

(TXD+) RS-422 Transmit Data (Idles high)

Common

RS-232 and RS-422 Signal Common

To MC2W

(RXD+) RS-422 Receive Data (Idles high)

From MC2W

(RTS) RS-232 Request to Send

To MC2W

(CTS) RS-232 Clear to Send

From MC2W

(TXD-) RS-422 Transmit Data (Idles low)

* RS-422 transmit and receive are balanced signals requiring two lines plus

a ground in each direction. RXD+ and TXD+ should idle high (going low at

start of data transmission). RXD- and TXD- should idle low (going high at

start of data transmission). If necessary, RXD+/RXD- and TXD+/TXD- may

be swapped to maintain correct signal levels.

(Continued on following page)

Operations Guide – DOC. 6143A 2-Series Integrated Wireless Control System: MC2W • 5

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