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that can output ASCII characters. (Configure this port or device to transmit at
9600 bps, 8 data bits, no parity, and 1 stop bit.)
7. Dual-head video only: Type an uppercase "P" on the PC's or terminal's
keyboard or send an uppercase "P" from the device to the Switch. The Switch
will send this menu text to appear on screen:
Select Switching Mode
N = Normal
T = Tandem (used for dual-head displays)
Type an uppercase "T" on the PC's or terminal's keyboard or send an
uppercase "T" from the device to the Switch; the Switch will respond with the
string "Tandem mode selected." The Switch will stay in tandem (dual-video)
mode until you repeat this step and select "N" instead, at which point the
Switch will respond "Normal mode selected" and go back to normal (single-
video) mode. If you type in any other character than "T" or "N," the Switch
will default to normal mode.
If you will be controlling the Switch with a keypad only, disconnect the
serial cable. If you'll be controlling the Switch with both a keypad and a serial
device simultaneously, move the serial cable to "KEYPAD B" if it isn't already
attached to that port. If you'll be controlling the Switch with a serial device
only, you can leave the serial cable where it is.
8. Keypad control only: Run the included 6-ft. (1.8-m) DB9 cable(s) from the
keypad(s) you're using (also included) to the DB9 female connectors labeled
"KEYPAD" on the Switch's rear panel. If you're running dual-head video,
you'll only need one keypad, and you should connect it to "KEYPAD A." If
you're using both keypads, connect one to "KEYPAD A" and one to
"KEYPAD B." If you're using one keypad and one serial-device connection in
a single-head video system, it doesn't matter which "KEYPAD" port the keypad
and device are connected to.
If you have an attached monitor placed father than 6-ft. (1.8 m) from the
Switch, you can use DB9 male to DB9 female extension cable such as
EDN12H-MF to run just as far to the corresponding keypad, up to the
maximum of 300 ft. (90 m).
9. Test the Switch's keypad- and/or serial-switching features and make sure they
work properly. If they don't, check your keypad and/or serial cabling and
make sure it's properly connected. If everything seems like it should work but
the system still doesn't switch correctly, call Black Box Technical Support.
Your Matrix Video Switch system is now fully installed, as shown in Figure 3-2 on
the next page. The system should be ready for continuous operation.
CHAPTER 3: Installation and Configuration
13
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