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Troubleshooting
T
ROUBLESHOOTING
Diagnostic check: Use the toggle switches on the main relay board to confirm
that you have control of the camera from the receiver on.
• If YES, then check your RS422 connections from the keyboard to
the receiver.
• If NO, then check your connections from the receiver to the
camera/lens.
Diagnostic check: Meter across the RS422 cable connections at the keyboard
and receiver card. Confirm that you have 1 – 2 VDC flowing.
• If YES, then check your connections from the receiver to the
camera/lens.
• If NO, then check your RS422 connections from the keyboard to
the receiver.
Problem
No control of unit
No control of lens
36
KTD-125/127 PTZ Receivers User Manual
Probable Cause
Break in RS422
connection(s)
Break in
camera/lens
connection(s).
Solution
Check to see that both ends of
the RS422 cables are connected.
Confirm that the wires are
stripped enough to make a good
connection.
Reattach the receiver card to the
main relay board to make sure it
correctly seated.
Use a voltage meter and the on-
site toggles to check each
camera/lens connection. If there
is a problem, confirm that the
wires are stripped enough to
make a good connection.
1040823A / June 2003
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