Comelit MT 40705 - Manual (Page 42)

Appendix B- Trouble Shooting
If problems occur, verify the installation of the camera with the instructions in this manual and with other
operating equipment. Isolate the problem to the specific piece of equipment in the system and refer to the
equipment manual for further information.
Check the polarity of the data line
Center
Appendix C- OPTION AL JUNCTION BOX
Figure -Front & Rear
NOTE: This junction box is not included in the keyboard box.
NOTE: Don’t supply the power to the keyboard and the junction box together.
When you use the junction box with the keyboard, connect the power adaptor of the keyboard
junction box.
to the
36
Description Q’ty
Junction box (J-box) 1
3m 8pin cable (Unshielded cable) 2
M4 x L10 Self tapping screws 4
Problem Possible Solution
Joystick can’t control system.
Check that the dome camera IDs are set properly.
Camera number does not match the
multiplexer number. Check the camera ID and insert the BNC cable into
the proper input of the multiplexer.
Forgot password
Consult your service
Multiplexer & DVR can’t work with the
Joystick controller.
Check that the data cable for the multiplexer has
the correct Pin configuration (1=1, 2=2, 3=3 ....
8=8).
Check the communication menu of Multiplexer.