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Installation, cont'd
Front Panel Configuration Port
Figure 2-8 — Front panel configuration port
i
Figure 2-9 — Optional 9-pin TRS RS-232 cable
N This port is independent of the rear panel Remote port and is not affected by
N A front panel Configuration port connection and a rear panel Remote port
N The maximum distances from the matrix switcher to the controlling device
2-8
MVX VGA A Matrix Switchers • Installation
CONTROL
IO
ENTER
PRESET
VIEW
ESC
RGBHV
AUDIO
CONFIG
MVX SERIES
VGA MATRIX SWITCHER
ADSP
WITH
TM
9
Configuration port — This 2.5 mm mini stereo jack serves the same serial
communications function as the rear panel Remote port, but it is easier to
access after the matrix switcher has been installed and cabled. The optional
9-pin D to 2.5 mm mini jack TRS RS-232 cable, part #70-335-01 (figure 2-9), can
be used for this connection.
1
6
9
5
9-pin D
Connection
Pin 2
Computer's RX line
Pin 3
Computer's TX line
Pin 5
Computer's signal ground
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, in chapter 4, "Programmer's Guide", to configure all
ports under SIS control.
connection can both be active at the same time.
This port is RS-232 only, with its default protocols as follows:
• 9600 baud
• no parity
• 1 stop bit
• no flow control
can vary up to 200 feet (61 m). Factors such as cable gauge, baud rates,
environment, and output levels (from the switcher and the controlling device)
all affect transmission distance. Distances of about 50 feet (15 m) are typically
not a problem. In some cases the matrix switcher may be capable of serial
communications via RS-232 up to 250 feet (76 m) away.
6 feet
(1.8 m)
Part #70-335-01
TRS Plug
Tip
Ring
Sleeve
• 8 data bits
Tip
Ring
Sleeve (Gnd)
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