How to connect a CM9760-CDUT to a DSSRV?


Need help connecting a CM9760-CDUT to a DSSRV/ENC5416

Product Line

Pelco Video Management


  • ENC5416
  • ENC5400-4PORT
  • DS
  • CM9760-CDUT
  • PTZ Camera
  • RS-422/2 wire


Instruction on how to connect DSSRV/ENC5416 to CM9760-CDUT. 


DSSRV with ENC5416 connecting to CM9760-CDUT supporting Pelco RS422 D Protocol:

Connection illustration:

  1. Make all necessary connections with system powered off.

  2. Connect the RJ-45 Data cable between the CM9760-CDU-T and the ENC5416.


Locate the COM ports assigned to the ENC5416's

  1. Open Services (Start > Search Bar and type services > select the Services listed under the Programs results)
  2. Locate the DigitalSENTRY services, stop the following services if running.
    1. DigitalSENTRY WatchDog Service (usually not running so if set to Manual it is normal)
    2. DigitalSENTRY Storage Service
    3. DigitalSENTRY VideoServer Service
  3. Run the DS RealVue Diagnostics Tool (Start > All Programs > Pelco > DS RealVue Diagnostics Tool)
  4. The RealVue Diagnostics Tool will display what COM ports have been assigned to the ENC5416's attached to the DSSRV. The COM ports assignment will be listed to the left of the video window.
    • Board 1 and Board 2 = 1st ENC5416
    • Board 3 and Board 4 = 2nd ENC5416
    • Board 5 and Board 6 = 3rd ENC5416
    • Board 7 and Board 8 = 4rth ENC5416
  5. Document the COM assignments for the attached ENC5416's.

  6. Close the RealVue Diagnostic tool and then restart the services that were stopped in Step 2.


 Configure the Serial Port and PTZ control in DS Admin

  1. Open DS Admin (Start > All Programs > Pelco > DS Admin)
  2. Navigate Available Systems > VAU and then click on the system listed directly under the VAU folder like a hyper-link (do not expand but click on - hand icon).
  3. The VAU configuration tabs will be loaded in the right hand window, click on the Serial Ports tab.
  4. Add the COM ports that are assigned to the ENC5416's found in the RealVue Diagnostic Tool to the Assigned COM Ports
  5. Highlight the first COM port listed in Assigned COM Ports and then select the General tab. 
  6. Change the Interface Type: to "PTZ" and the PTZ Type: to "Your cameras protocol - Pelco usually = Pelco D, No Parity", may need to click the "Get Types" button to populate a list of options.  Leave the rest of the options to defaults and then check the box for Active.

    Note: For information on Digital Sentry PTZ Protocols, refer to article: What PTZ protocols does the Digital Sentry software support?
  7.  Click Save.
  8. Repeat steps 5 - 7 for each additional COM port listed in the Assigned COM Ports window.
  9. In order for the changes to the Serial Ports to take effect, the DigitalSENTRY VideoServer Service needs to be restarted.
    1. Open Services (Start > Search Bar and type services > select the Services listed under the Programs results)
    2. Locate the DigitalSENTRY VideoServer Service, right-click and select Restart.
  10. In DS Admin, expand the Cameras folder and select the PTZ camera in the list.
  11. The cameras configuration tabs will load on the right, click on the PTZ tab. 
  12. Check the box next to Enable PTZ support for this camera
  13. Click the drop down menu under "Camera Connected to port" and select the first COM port assigned to the ENC5416 wired for PTZ control.  Select the "Available Address" which matches the camera's configured address.
  14. Click Save.
  15. Still in the PTZ tab, verify the "PTZ HUD On" is checked/enabled, then left-click drag the mouse pointer in the outer box in the HUD to PTZ the camera.  The center square controls zoom, the boxes on the right control Iris and Focus.

    Note: If the PTZ camera does not move, try the other COM ports available in the "Camera Connected to port" drop down menu.  Also verify the wiring from the ENC5416 to the camera.