Removing the dome cover and inner dome

Turn the dome cover counterclockwise to remove it.

Turn the inner dome 45 degrees counterclockwise and grasp the inner dome near the stops (two locations) to remove it.

1

Dome cover

2 Inner dome

Knob (two

locations)

Fall prevention sheet

When mounting the camera with cables pulled out from the side

If you cannot cut a large enough hole in the ceiling or walls, connect by pulling the cables out through the opening in the side of the camera body.

Power cable (VN-H257U)

Alarm cable (VN-H257U)

Audio cable (VN-H257U)

LAN cable

Monitor output cable

 

Approx. Φ 30 mm

Fall prevention wire

Alarm cable (VN-H257U)

(Prepared by customer)

Monitor output cable

Power cable (VN-H257U)

 

LAN cable

Audio cable (VN-H257U)

 

Side opening for cables

Mounting the Camera

Note Read before starting work.

Special skills are required to install this unit.

Install this unit on a location that is strong enough to hold it.

Make sure you turn off the power supply to the device before starting work.

When you attach the camera body to the ceiling, be sure to wear safety goggles to protect your eyes from falling objects.

Opening a hole (approx. Φ 30 mm) on the ceiling or wall

Note

Take note of the length, strength and pull of the fall prevention wire. For the fall prevention wire use the insulation material.

Memo

When you directly mount the camera on the ceiling, use the ceiling mount bracket (WB-S2205).

To mount the camera using an electrical box, consult your dealer or a JVC Service Center near you.

Open a hole in the ceiling or wall (approx. Φ 30 mm), and pull out the fall prevention wire and cables from the hole (the fall prevention wire and cables are not provided).

Cabling

LAN cable Fall prevention wire

 

 

Soldering or crimping

Monitor output

 

 

cable

 

 

Alarm cable

 

Wrapping insulation

(VN-H257U)

Audio cable

Power cable

(VN-H257U)

tapes

(VN-H257U)

LAN cable Wire clamp

Connect the AC 24 V power cable, alarm cable, and audio cable to their respective connectors by crimping them or soldering them.

Wrap unused connectors and the ends of unused cables with insulation tape.
Make sure the LAN cable is completely inserted into the connector.

Securing cables

Knob
Camera
(two
body
locations)

 

Fastening screw
Inner
depression
Inner dome
Dome cover setscrews
Dome cover
Dome cover protective sheet

(The VN-H257U camera is shown in the illustration.)

Note

 

• The inner diameter of the ring section of

 

the fall prevention wire should be between

Φ 3.1 to Φ 5.5 mm

Φ 3.1 mm and Φ 5.5 mm.

Securely lock the LAN cable so that it will not be disconnected.

Be sure to properly ground the PoE power sourcing equipment before use.

If you use both the AC 24 V power cable and the PoE-based LAN cable simultaneously, the camera may fail. Always supply power using either method.

Memo

Put the cables into the hole that you opened on the ceiling or wall after connecting.

Align the mounting direction mark () with the shooting direction, and mount the camera body on the ceiling or wall

Note

Mounting hole is Φ 4.5 mm.

Do not use a flat head screw.

If you use an impact driver, tighten by hand. Otherwise, the case may be damaged.

Use the appropriate screws and tighten securely.

Use a screw with a head between Φ 6.5 mm and Φ 11 mm.

Align the mounting direction mark ( ) with the shooting direction, and mount the camera.

Memo

When you mount it on the wall, make the mounting direction mark () face up.

Mounting hole (Φ 4.5 mm)

Attachment screw

(Prepared by customer)

Memo

Secure the dome cover using two dome cover setscrews as required.

Securing the fall prevention wire

Secure the fall prevention wire using the wire setscrew.

Fall prevention wire setscrew

Fall prevention wire

Memo

Securing the LAN cable

Secure the LAN cable using the wire clamp.

1 Loosen the attachment screw

Wire clamp

of the wire clamp until it is

 

loose but not disconnected.

 

Attachment screw of the wire clamp

2 Roll the wire clamp around the LAN cable.

3Fasten the free end of the wire clamp with the attachment screw of the wire clamp.

4Tighten the attachment screw of the wire clamp and fix the LAN cable.

• Take note of the length and strength of the fall prevention wire. Use wire

 

made of insulated material. Make the wire length as short as possible.

2

Continue to next page