Connect a KBD300A keyboard directly to a PTZ (Pan, Tilt, Zoom) Camera for control?


The KBD300A Universal Keyboard has many operational features and can be used in numerous operational modes. Control up to 16 PTZ receivers/cameras interfaced directly to the keyboard's remote kit (KBDKIT) using Direct Control mode.

Product Line

Pelco Cameras, Pelco Matrix


  • KBD300A - version 5.0 and higher.
  • Any PTZ camera that supports Pelco D or Pelco P protocols.
  • Spectra Series (analog)
  • Esprit Series (analog)


Installation, Service, and Upgrade.


Refer to the KBD300A Universal Keyboard Installation/Operation manual for illustrations and reference.


Direct Mode:

Using the KBD200 or KBD300 in Direct Mode is a single keyboard installation. Daisy-chaining more than one keyboard is not possible.

To connect the keyboard:

1. If the DIP switches on the keyboard have not been set already, refer to the article: What is the dip switch setting on KBD300A for Pelco-D and Pelco-P In Direct Mode to set the switches.

2. Determine the location for the keyboard. The keyboard must be located within 7.6 m (25 feet) of where you will install the wall block (KBDKIT). The wall block must be within 1.8 m (6 feet) of the nearest electrical outlet to accommodate the transformer.

3. Remove the cover from the wall block. Wire the connections between the wall block and the PTZ camera. Up to 16 PTZ cameras can be controlled from the keyboard. PTZ cameras should be wired in a daisy-chain configuration for best results. Maximum wiring distance using CAT5, CAT5e, or CAT6 is 4000 feet.

Pelco recommends using a shielded twisted pair cable such as Belden 9843, or similar cable that meets or exceeds the basic requirements for EIA RS-422 applications. Maximum cable distance for RS-422 communication over 24-gauge wire is 4,000 feet (1,219 m).”

a. Connect RX+ from the first receiver/driver to TX+ (terminal 1) on the wall block

b. Connect RX– from the first receiver/driver to TX– (terminal 2) on the wall block.

c. Connect the transformer to terminals 3 and 4. Polarity is unimportant. If using a DC transformer Terminal 4 is Negative and  3 is Positive.

4. Replace the cover on the wall block. Secure the wall block to a suitable surface with the double-sided sticky pad that is supplied.

5. Plug the transformer into a power outlet.

6. Connect the 7.6-meter (25-foot) data cable that is supplied with the keyboard. Plug one end into the wall block and the other end into the keyboard receptacle.

Related Image: (click to enlarge)

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