Front panel Configuration port

This port is hardwired for RS-232 only.

The optional 9-pin D to 2.5 mm mini jack TRS RS-232 cable, part #70-335-01(figure 4-2) can be used for connection to the Configuration port.

1 6

9

5

6 feet

(1.8 m)

Part #70-335-01

Tip

Ring

Sleeve (Gnd)

9-pin D

Connection

TRS Plug

Pin 2

Computer's RX line

Tip

Pin 3

Computer's TX line

Ring

Pin 5

Computer's signal ground

Sleeve

Figure 4-2 — Optional 9-pin TRS RS-232 cable

This port is independent of the rear panel Remote port and is not affected by changes to the rear panel port’s protocol. This front panel port’s protocol can be changed, under SIS command control only. See the Command/Response table for IP SIS commands, later in this chapter, to configure both ports under SIS control.

Host-to-Switcher Instructions

The switcher accepts SIS (Simple Instruction Set) commands through either serial port. SIS commands consist of one or more characters per command field. They do not require any special characters to begin or end the command character sequence. Each switcher response to an SIS command ends with a carriage return and a line feed (CR/LF = ), which signals the end of the response character string. A string is one or more characters.

CrossPoint 300 Matrix Switchers • Programmer’s Guide

4-3

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Image 73
Extron electronic 1616, 84, 1212, 124, 168, 128, 816, 88 manual Host-to-Switcher Instructions, Front panel Configuration port