Pelco System 9760 manual CM9760-VCC and CM9760-VMC Diagnostic LEDs

2.With the front panel of the CM9760-MXB removed, check the LEDs on the CM9760-VCC video input cards and on the CM9760-VMC video output card as follows (refer to Figure 12):

a.Verify that all +10 VDC and –10 VDC power LEDs are lit (green).

If a power LED is not lit, remove the card and inspect the fuses (refer Figure 13 for fuse locations on CM9760-VCC and CM9760-VMC cards). Replace fuse(s) if necessary. If the condition continues, replace the card. For instructions to replace a CM9760-VCC or CM9760-VMC card, refer to Replacing a CM9760-VCC Card or to Replacing a CM9760-VMC Card in the CM9760-MXB Component Installation or Replacement section as applicable.

b.Verify that all Comm Fail LEDs are not lit:

•If the LED is lit (red) on any video input card, reseat the card. If the condition continues, replace the card.

•If the Comm Fail LED is lit (red) on the video output card only, check the communication to the CM9700-CC1.

•If all Comm Fail LEDs are lit (red), press the Reset button located on the video output card (refer to Figure 12). If the problem continues, replace the video output card.

For a summary of troubleshooting information relating to the CM9760-MXB, refer to Troubleshooting the CM9760-MXBin the Troubleshooting section.

After you have verified that the CM9760-MXB is operating properly, reattach the front panel of the CM9760-MXB. Then connect video inputs and outputs (refer to the Connecting Video Inputs and Video Outputs section).

COMM FAIL

+10 VDC

-10 VDC

COMM FAIL +10 VDC -10 VDC

NO ASSIGNMENT

RESET BUTTON

CM9760-VCC	CM9760-VMC
VIDEO INPUT CARD	VIDEO OUTPUT CARD

Figure 12. CM9760-VCC and CM9760-VMC Diagnostic LEDs

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