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Pelco Manual C1515M-A (11/01) 77
TROUBLESHOOTING
GAINING INITIAL CONTROL
If you are having problems gaining control of your system for the first time:
• Confirm that all system equipment is plugged in and has power.
• Confirm that each keyboard and peripheral device in your system has a unique local
address. Refer to the
Switch Settings
section in the appropriate keyboard manual.
• Be sure data cables have not been mixed up.
• Cycle the data cable to the keyboard:
1. Unplug the data cable from the rear of the keyboard.
2. Plug the data cable back into the rear of the keyboard.
3. WAIT AT LEAST FIVE SECONDS.
4. Select a monitor.
If you still cannot gain control of the system:
• Confirm the wiring is correct and the user-supplied cable between wall jacks is
appropriate for the application.
• Confirm that when the keyboard data cable is cycled, the keyboard LED flashes
momentarily (indicating power).
If you still cannot gain control of the system, call Pelco’s 24-hour technical support at
1-800-289-9100 or 1-559-292-1981.
SOFTWARE RESET
Pelco strongly recommends uploading
system settings to the CM6800-MGR before
the software reset – this will allow you to
restore system settings after the software
reset.
1. Remove the two screws and the DIP
switch cover plate from the rear of the
switcher.
2. Move DIP switch 7 to the ON position
(to “0”).
3. Cycle power.
The switcher will go through a
software clear cycle and reset to
factory defaults.
4. Move DIP switch 7 to the OFF position.
Failure to move DIP switch 7 to the
OFF position could result in loss of
system settings during a power
outage.
5. Re-initialize keyboards by entering
the monitor number and then
pressing the MON key.
6. Download your previous system
settings (revise settings as
necessary) from the CM6800-MGR.
Figure 54. CM6800 DIP Switch 7
DIP SWITCH 7:
ON = SOFTWARE RESET
OFF = NORMAL SYSTEM
OPERATION
00622
COM 1
5
6
7
8
120/230~
50/60 HZ
25 WATTS
ALARM
12345678
CONTROL
PTZ
OUT
AT
+
T
-
R
+
R
-
T
+
T
-
R
+
R
-
B
1
2
F
3
DIP SWITCH
COVER PLATE
00623
Figure 53. DIP Switch Cover Plate
NOTE:
There are no user-
serviceable parts inside the
CM6800. Only authorized
service personnel may open
the unit.
CAUTION:
Resetting the soft-
ware restores the
system to default settings.
Troubleshooting