Extron Electronics MSG0808 - Manual (Page 14)

MSG Matrix Switchers • Installation
Installation, cont’d
4 RS-232/RS-422/RS-485 connector — A 5-pole captive screw connector for
input from a computer or third-party controller using Serial Control Protocol
commands or control software for Windows
® to remotely control the switcher.
5 Serial control setting DIP switch — Allows the switcher to be configured to
accept RS-232 (all switches up) or RS-422/RS-485 (all switches down)
communication standard.
DIP switch settings change according to the standard used. Higher standards
require a different signal type. DIP switch settings make subtle adjustments to
signal type. See chapter 5 - Remote Control for additional information.
6 AC power — Standard AC power connector for a power source of
100 – 240VAC, operating at 50/60 Hz.
7 AC Fuseholder — Remove this to change out the AC fuse.
8 Audio output group — Four (MSG0804) or eight (MSG0808), 5-pole captive
screw connector for balanced/unbalanced stereo audio output from the audio
input. See Audio input and output in this chapter.
9 Audio input group — Eight, 5-pole captive screw connector for balanced/
unbalanced stereo audio input.
Pay special attention to the right channel wiring. The + and – layout
differs from most other Extron products.
2-4
DB9 Pinout (Female)
To control equipment
5 1
9 6
Rx+
Rx-
Tx+
Tx-
Gnd Rx+
Rx-
Tx+
Tx-
Gnd
RS-232/422/485
5-pole captive screw connector/socket
RS-232
RS-422/RS-485
1 2 3
RX+
RX-
TX+
TX-
GND
2
3
5
RX
TX
GND
RX+ 2 TX+
RX- 6 TX-
TX- 7 RX-
TX+ 3 RX+
GND 5 GND
1 GND
1 GND
Switcher
Serial Port
Computer
DB-9 Serial Connector
RS-232
Connection
RS-422/485
Full Duplex
Connection
RS-485
Half Duplex
Connection
RX+ 2 TX+
RX- 6 TX-
TX+ 3 RX+
GND 5 GND
TX- 7 RX-