Mounting this Camera
Note
•Special attention is required when installing the camera to the wall or ceiling. You should not carry out installation work yourself. Ask a professional to do the job, because injuries and accidents may occur if the camera falls.
•To prevent this camera from falling, connect it to a strong section (a ceiling slab or channel) using a fall prevention wire.
•When you attach the camera body to the ceiling, be sure to wear safety goggles to protect your eyes from falling objects.
Mounting the lens (VN-H57U/VN-H37U)
Note
• Use a Megapixel lens only.
1Check the lens mount before mounting the lens.
•The
•The lens mount size (a) must be as shown in the table below.
| Lens | Flange focus (b) |
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| CS mount lens | 12.5 mm |
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| 5.5 mm or less | |||||
• Never use a lens whose dimension |
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| Flange focus | |||||
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2Mount the lens securely by rotating it clockwise (CW).
3When using a DC iris lens, connect the lens cable to the IRIS terminal at the side of this camera.
Memo
•You cannot use a video iris lens.
•If the lens cable plug does not match, use a
The
Mounting this camera onto a fixer, pan/tilt unit and similar object
When you mount the camera onto a fixer, pan/tilt unit or similar object, use the tripod screw hole
When you mount the camera on a high place, fix the
| Camera- |
mounting | |
bracket | |
bracket | |
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5 mm to | |
screws (x2: M2.6 x | 7 mm |
8 mm) |
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Screw hole for the camera- | Rotation- |
mounting | preventive |
| hole |
Note
•Tighten setscrews securely.
•Use the screws to mount the camera so that the screws protrude between 5 and 7 mm from the mounting surface. Do not use screws that exceed the specified length as it may damage the internal parts.
VN-H57U
[STATUS] indicator
Iris terminal
VN-H37U
[STATUS] indicator
Iris terminal
bracket
Mounting the fall prevention wire
| Fall prevention wire |
| (Prepared by customer) |
6 mm | Attachment screw for |
| fall prevention wire |
2 mm or less | (M3 x 6 mm) |
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Note
•Take note of the length, strength and pull of the fall prevention wire. For the fall prevention wire use the insulation material. Make the wire length as short as possible.
The wire must be sufficiently strong to hold the weight of the camera and the total weight of the lens and fixer. (Also, make sure that the wire ends are terminated carefully)
•Use the screws mounted on the camera rear panel to hold the fall prevention wire.
•Mount the fall prevention wire using an attachment screw for the fall prevention wire.
Use the screws (M3 x 6 mm) mounted on the rear panel of the camera to hold the fall prevention wire. Do not use a screw that is longer than 6 mm as doing so may damage the inside of the camera.
Attach the camera-mounting bracket to the top of this camera
Memo
•The bracket is attached to the bottom of this camera before being shipped from the factory. Remove two screws for the
Two (M2.6 x 8 mm) screws to secure the
[STATUS]
indicator
Two (M2.6 x 8 mm) screws to secure the
Note
•Use setscrews with a length of 8 mm or less to secure the camera- mounting bracket. Do not use screws that exceed the specified length as it may damage the internal parts.
Two (M2.6 x 8 mm) screws to secure the
VN-H137U
[STATUS] indicator
Screw hole for the camera- 
mounting 
Attaching cables
Power Connection
When using the PoE cable (Common)•Power is supplied via the LAN cable. Connect the PoE power sourcing equipment.
•When power is supplied, the [STATUS] indicator lights up orange on the side of this camera and lights up green after booting.
Memo
•You can also turn the [STATUS] indication Off when the camera is operating. For details about the settings, see “Instructions (Setting)” on the supplied
•A
•Be sure to properly ground the PoE power sourcing equipment before use.
PoE power sourcing | PoE power sourcing |
equipment | equipment |
VN-H57U VN-H37U/VN-H137U
When connecting the AC 24 V power cable •When power is supplied, the [STATUS] indicator lights up on the camera side panel.
Note
•Always use an AC 24 V power supply that is insulated from the primary power circuit. An autotransformer or similar
•If you use both the AC 24 V power cable and the
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| Speaker with integrated amp | |
[MONITOR] terminal | |||
| [AUDIO IN/ | microphone | |
| OUT] terminal |
| Test monitor |
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| 75 Ω |
| * For field angle |
| termination | adjustment | |
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| [MONITOR] selection switch |
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| NTSC |
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| PAL |
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| [RESET] button |
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| [FOCUS ASSIST] button |
To AC 24 V | Cable stopper | ||
Alarm cable |
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power supply |
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[MONITOR] terminal |
| Test monitor | |
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75 Ω termination
[MONITOR] selection switch
NTSC
PAL
[RESET] button
[FOCUS ASSIST] button
Memo
•The camera has the 16:9 aspect ratio. If the test monitor for checking the image has the 4:3 aspect ratio, the camera image is converted and displayed in the 4:3 ratio.
Connecting the monitor signal output terminal to the coaxial cable (Common)
Connect a test monitor to the [MONITOR] terminal.
Use this terminal to adjust the field angle during camera setup and to adjust the focus in Focus Assist mode. Connect an RCA video cable from this MONITOR terminal to the video monitor. When using a PAL system monitor, set the [MONITOR] switch to the "PAL" position. Then, press the RESET button to restart the camera.
Note
•If you extend the cable, more signals attenuate, the video resolution drops, and video noise increases. A cable with lower attenuation is recommended for when the camera is attached.
•If you keep pressing the [RESET] button for more than 5s, the camera enters the Service mode. Do not press this button for more than 5s.
Connecting the Audio cable (VN-H57U)
Connect the stereo mini jack cable to the [AUDIO IN/OUT] terminal (Φ3.5 mm).
For details about the audio cable, refer to [Audio cable connection] (☞ page 4).
Alarm I/O Terminal Connection (VN-H57U)
Note
•An ambient noise source may cause a malfunction of the camera even if the cable length is 50 meters or less. In that case, keep the noise source away from the camera system.
•The cable stopper may drop from the Alarm terminal. Securely connect the cables.
☞ Continued overleaf 2