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Pelco Manual C573M-D (11/03) 13
CONNECTING THE MDA TO A CM9760-KBD KEYBOARD
(Refer to Figure 6). Perform this step if you are going to program your CM9760-MDA unit using
the CM9760-KBD keyboard. Connect the serial port of your keyboard to the COM 1 port on the
MDA unit. To do more than one MDA unit, each time you will need to unhook the keyboard from
the MDA unit you just programmed and hook the keyboard to the next MDA unit.
Figure 6. CM9760-KBD Setup for Direct Control
CONNECTING THE MDA TO A KBD200A OR KBD300A KEYBOARD
A single KBD200A or KBD300A keyboard can be used to program the CM9760-MDA
Master Distribution Amplifier. The keyboard is connected to the COM 1 port of the distribu-
tion amplifier through a KBDKIT (120 VAC) or KBDKIT-X (230 VAC) wall block and a
specially modified keyboard data cable. Connect your monitor as shown in Figure 6.
Switch Settings
To set the switches in the keyboard (refer to Figure 7):
1. Remove the two screws and the DIP switch cover plate from the rear of the keyboard.
2. Place switches 5 and 8 in the ON position. This selects the CM9760-MDA mode of
operation.
3. Replace the cover plate.
A
B
C
D
12
34567891011
12
13 14 15 16
120VAC
COM1COM2
UNIT ID
PGM
MON
OUTPUT
INPU
T
= VIDEO
= DATA
CM9760-MDA
CM9760-KBD
PGM
MON
COAX CABLE
REVERSED CABLE
STRAIGHT CABLE
CM9505UPS
FUSE TYPE: 2AG
1/4A SB
CM9505UPS
KEYBOARD CARD CAGE
COM 1
Figure 7. Keyboard Rear Panel
ON
12345678
}
PIN 1
1 TX+ 5 GND
2 TX– 6
3 12 VAC/DC 7 RX–
4 NONPOLAR
KBD200A RJ-45
JACK PINOUTS
PLACE SWITCHES 5 & 8 IN
THE DOWN POSITION
(MDA MODE)
8 RX+
NOTE:
You need two key-
board data cables for this
connection. You must
modify one cable as ex-
plained in
Keyboard Wiring
on the next page.