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Extron • Matrix 3200/6400 Series • User’s Manual
Chapter 5 • Upgrades and Troubleshooting
Swapping BME #0 RS-232 / RS-422 Ports
Swapping BME #0 RS-232/RS-422 ports (not required on BME #1 - BME #5)
involves moving a ribbon cable from one Main Control card connector to another.
Ribbon Cable Connectors
The ribbon cables used in the Matrix 3200/6400
Video Switcher use a self-latching style receptacle.
Figure 5-4.A shows how it operates.
1. Press each of the two tabs outward, this unlocks
the receptacle and ejects the ribbon cable
connector part way. Pull evenly on the ribbon
cable connector to remove it.
2. When reconnecting the cable, first align the pins
in the receptacle with the holes in the connector
and press evenly into the receptacle until the
receptacle tabs lock the connector in place.
Swapping Serial Ports (RS-232/RS-422)
______ Before working inside, unplug the power cord.
The Matrix 3200/6400 Video Switcher is normally connected for RS-232 use. If
your application requires RS-422, follow this procedure (and Figure 5-4.B) to
change the configuration. The procedure for removing and installing the ribbon
cables is described above in “Ribbon Cable Connectors” above.
1. Power OFF BME #0, unplug the power cord.
2. Remove the Access Panel on BME #0 (Page 5-2), locate the Main Control
card (see Figure 5-3.A).
3. Locate two ribbon cable receptacles (Figure 5-4.B) One is empty and the
other has a ribbon cable which goes to the rear panel. J4 is the
RS-232 receptacle and J5 is the RS-422 receptacle. If the connection is
not correct for your application, disconnect the cable and move it to the
other receptacle.
4. Reinstall the Access Panel.
5. Plug in the AC power cord, power ON the BME.
Figure 5-4.A
Figure 5-4.B Main Control Card - for card location, see Figure 5-3.A.
5-4
RED -
J14
MAIN +
J13
U9
U6
MAIN -
J15
RED -
J16
To Diagnostics
LEDs
J4
J5
J8
J1