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Front Panel Configuration Port
ENTER
CONFIG
13
Figure 2-11 — Front panel configuration port
m
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 than the rear port 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 2-12), can be used for this connection.
1
5
9-pin D
Pin 2
Pin 3
Pin 5
Figure 2-12 — 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
This port is RS-232 only, with its default protocols as follows:
• 9600 baud
• 1 stop bit
N The maximum distances from the matrix switcher to the controlling device can
CONTROL
I/O
ESC
AUDIO
PRESET
VIEW
VIDEO
MTPX PLUS SERIES SWITCHER
6
9
Connection
Computer's RX line
Computer's TX line
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.
• no parity
• no flow control
vary up to 200' (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' (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' (76 m) away.
MTPX Plus Twisted Pair Matrix Switchers • Installation
6 feet
(1.8 m)
Part #70-335-01
TRS Plug
Tip
Ring
Sleeve
• 8 data bits
Tip
Ring
Sleeve (Gnd)
2-11
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