Front Panel Configuration Port; Host-To-Switcher Instructions - Extron electronics CrossPoint 300 84 User Manual

Front panel Configuration port

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
9-pin D
Pin 2
Pin 3
Pin 5
Figure 4-2 — Optional 9-pin TRS RS-232 cable

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 =
is one or more characters.
This port is hardwired for RS-232 only.
6 feet
(1.8 m)
Part #70-335-01
Connection TRS Plug
Computer's RX line
Computer's TX line
Computer's signal ground Sleeve
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.
), which signals the end of the response character string. A string
CrossPoint 300 Matrix Switchers • Programmer's Guide
Ring
Sleeve (Gnd)
Tip
Ring
Tip
4-3