Panels and cabling, Host/config port cabling, Preliminar y – Extron Electronics MLC 226 IP Series Installation User Manual
Page 13: Host/confi g port cabling

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MLC 226 IP Series • Installation
PRELIMINAR
Y
Panels and Cabling
Host/Confi g port cabling
DISPLAY
MLC 226 IP
1
2
3
4
5
6
VOLUME
CONFIG
IR
ON
OFF
PIC
MUTE
MUTE
DOC
CAM
VCR
DVD
LAPTOP
AUX
VIDEO
PC
AUTO
IMAGE
HOST
CONTROL
R
1=D INPUT I/O
2=Tx 3=Rx 5=GND
38400, N, 8, 1
PRESS TAB WITH
TWEEKER TO REMOVE
INTERCOM
AU
D
IO
OUT
LAN
2
1
MLC 226 IP Front Panel
MLC 226 IP Rear Panel
a
Rear panel Host Control port — For MLC confi guration and control, connect
a Windows
®
-based PC or an RS-232 control system to the MLC via this female,
9-pin D connector. This connector also has one pin designated for digital
input/output.
RS-232 protocol:
• 38400 baud
• 1 stop bit
• no parity
• 8 data bits
• no fl ow control
DB9 Pin Locations
Female
5
1
9
6
N Extron recommends confi guring and controlling the MLC via the LAN
connector. Ethernet connections are faster and more reliable.
Pin RS-232 function Description
1 Digital I/O
Digital input/output
2
Tx
Transmit data
3
Rx
Receive data
4
—
No connection
5
Gnd
Signal ground
6 — No
connection
7
—
No connection
8
—
No connection
9 — No
connection
Pin RS-232 function Description
1 Digital I/O
Digital input/output
2
Tx
Transmit data
3
Rx
Receive data
4
—
No connection
5
Gnd
Signal ground
6 — No
connection
7
—
No connection
8
—
No connection
9 — No
connection
The pin assignments of this connector are as follows:
The pin assignments of this connector are as follows: