Справочник Пользователя для Pelco C1902M (11/96)

Pelco Manual C1902M (11/96)

9

Auto Iris Plug

Pin-out (Back of Plug)

Changing the Plug on an Auto Iris Lens Cable

Install an auto-iris lens as follows:
(Refer to Illustration  

 )

1. Unscrew lens mount cap.

2. Screw in the lens.

NOTE:  When attaching a C-mount type lens,
be sure to turn the C/CS adjustment ring fully
in the “C” direction. When the C/CS adjust-
ment ring is set to “CS,” mounting any lens
with a mount projection of more than 4 mm
may damage the internal parts of the camera.

Pin #

    DC-servo Lens

VS-servo Lens

Pin 3:

         DRV+

Video signal

Pin 1:

         CONT-

Power supply

Pin 2:

         CONT+

Not Used

Pin 4:

         DRV-

Ground

1. Remove the plug cover         and solder the lens

cable wires       to the pins         thru         on the
plug supplied. The pin assignments are as fol-
lows:

2.

Put the cover on the plug.

ILLUSTRATION 

 D

  ELEMENTS

Cover

Auto-iris cable

Rib (If the cable is thick and the plug cover
does not seat properly, cut away this rib.)

Lens plug

3. Check the plug wiring on the lens cable against

Illustration        and the pin-outs mentioned in the
Information Box below. If you need to replace the
existing plug on the lens cable, follow the instruc-
tions given.

4. As part of lens installation, you need to adjust

backfocusing. Follow the appropriate instructions
found in the Information Boxes on pages 11 and
12. Background “General Information”, if needed,
is provided on page 10.

5. Once adjusted, tighten the backfocus LOCK screw.

(The factory setting is C-mount.)

  

Follow the instructions of the previous section but
ignore all instructions for changing the lens cable plug.