Serial ports

C

Primary and Secondary RS-232/RS-422 ports — For systems consisting of

 

a single switcher or for BME 0 on a multi-BME system, connect host devices

 

(such as computers or touch panel control systems) or MCP 1000 remote

 

control panels (see the MCP 1000 Remote Control Panel User Guide) to the

 

Primary and Secondary RS-232/RS-422 ports (figure 2-4). These 9-pin D

 

connectors provide for serial RS-232/RS-422 control of the matrix switcher.

 

Figure 2-5 shows how to wire the connectors.

 

Both ports are connected to both controller circuit cards; a redundant

 

controller is not required to use the Secondary RS-232/RS-422 port.

 

Tx

Rx

COMM

OUT

 

BME

IN

 

 

Tx

Rx

ETHERNET

 

 

 

Tx

Rx

COMM

 

E

MCP/MKP

 

B C D

 

 

A

Tx

Rx

FPC COMM

 

Tx

Rx

PRIMARY

RS 232/422

Tx

Rx

SECONDARY

RS 232/422

 

 

Tx

Rx

 

 

 

BME COMM

T

COMM

Tx

Rx

 

 

 

FPC

 

 

 

ETHERNET

Tx

Rx

Tx

Rx

To Primary

COMM

Tx

PRIMARY

 

232/422RS

Host System/Device

 

 

 

Tx

Rx

Serial Port

 

 

 

 

A B C

SECONDARY

 

 

 

 

 

232/422

 

 

 

 

 

RS

3

 

 

 

 

 

To Secondary

 

 

6

 

1

 

 

 

 

 

 

 

 

 

Host System/Device

 

 

9

 

 

Serial Port

 

 

 

5

 

 

 

 

 

 

 

 

 

Male

 

 

 

 

 

Connector

Figure 2-4 — Connecting host controllers

 

 

Pin

RS-232

Function

RS-422

Function

 

 

1

—

Not used

TX+

Transmit data (+)

5

1

2

TX

Transmit data

TX-

Transmit data (-)

3

RX

Receive data

RX+

Receive data (+)

 

 

 

 

 

 

 

RX-

Receive data (-)

 

 

4

—

Not used

 

 

5

Gnd

Signal ground

Gnd

Signal ground

9

6

6

—

Not used

—

Not used

Female

7

—

Not used

—

Not used

 

 

8

—

Not used

—

Not used

 

 

9

—

Not used

—

Not used

Figure 2-5 — RS-232/RS-422 port pinout

After the BMEs have been virtualized, the system can be controlled through this connection using the PC or other host system that can generate the proper commands.

The Matrix 12800 Switchers are factory configured for RS-232 control. To use the switcher under RS-422 control, you must change an internal DIP switch. See chapter 6, “Upgrades and Maintenance” for details.

The default communications rate is 9600 baud. Baud rates of 19.2, 38.4, and 115 are also available. See chapter 6, “Upgrades and Maintenance” for details. If equipped with a redundant controller, the primary and redundant controllers must be configured for the same communications protocol and transfer rates.

Matrix 12800 Switchers • Installation

2-7

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Image 22
Extron electronic 12800 manual Serial ports, To Secondary Host System/Device Serial Port Male
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12800 specifications

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