Timing of Data Sending

512 bytes, or in other words, 64 msec of audio data may be sent during each transmission. Send audio data at intervals as evenly as possible. A part of the data may be lost if audio data exceeding 2 seconds are sent to VN-V26 at one time.

9. List of Protocols and Port Numbers Used with VN-V25/26

VN-V25/26 uses the following protocols and port numbers.

Protocol / Port Number

Use

TCP 20, 21

FTP

TCP 25

SMTP (Mail by Alarm Action)

TCP 80

WEB setting page, API for Getting status and changing

 

settings, acquisition of JPEG/MPEG-4 from VN-V25/26 by

 

client, acquisition audio from VN-V26 by client

UDP 80

Search for VN-V25/26

TCP 110

POP (Mail by Alarm Action)

UDP 123

SNTP

TCP 10020, 10021, 10023

reserved for internal use

TCP 32040

Alarm server

TCP 49298

Audio sending from a client to VN-V26

TCP User Setting

Alarm on TCP

UDP User Setting

Alarm on UDP

UDP User Setting

Multicast Streaming

10. Customizing VN-V25/26's Built-in Viewer

The built-in JPEG/MPEG-4 viewer of VN-V25/26 consists of an ActiveX control. The ActiveX is available for customized viewer.

10.1. Properties of ActiveX

- RcvMode

0 for TCP, 1 for multicast

- IP

IP Address of VN-V25/26 in case of TCP

- HttpPort

Port Number of VN-V25/26 in case of TCP

- MultiIP

 

IP Address of multicast

- MultiPort

Port Number of multicast

-DispWidth Width of Display

-DispHeight Height of Display

-FrameRate Frame Rate of JPEG (MPEG-4 viewer does not have this property.)

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JVC VN-V26U, VN-V25U manual List of Protocols and Port Numbers Used with VN-V25/26, Customizing VN-V25/26s Built-in Viewer

VN-V26U, VN-V25U specifications

JVC has made significant strides in the surveillance sector with the introduction of its VN-V25U and VN-V26U series of network cameras. These cameras are designed to deliver high-quality video surveillance solutions for various applications, from commercial establishments to residential settings. Both models offer distinct features and technologies that enhance their functionality and usability.

One of the main features of the VN-V25U and VN-V26U is their high-resolution imaging capabilities. The VN-V25U supports 1.3 megapixels resolution, while the VN-V26U boasts an impressive 2 megapixels resolution. This ensures that users receive clear and detailed footage for effective monitoring. The wide dynamic range functionality further enhances image quality in challenging lighting conditions, making sure that important details are captured even in bright and dark areas simultaneously.

The VN-V25U and VN-V26U models are equipped with powerful progressive scan technology. Unlike traditional interlaced scanning, progressive scanning captures the entire image in one go. This results in smoother video, reducing motion blur and providing clearer images of fast-moving subjects. This feature is particularly beneficial in environments where clarity is crucial, such as in retail surveillance or for monitoring public spaces.

Another impressive aspect of these cameras is their flexibility in installation and integration. They support Power over Ethernet (PoE), allowing for simplified wiring and installation processes, reducing the need for additional power cables. Both models offer various lens options, enabling users to customize their field of view based on specific surveillance needs. This adaptability is essential in settings where camera placement can vary significantly.

The VN-V25U and VN-V26U also incorporate advanced video compression technologies such as H.264. This enables efficient video storage and transmission, reducing bandwidth usage without compromising on quality. The inclusion of motion detection capabilities further enhances their functionality, allowing for intelligent monitoring and alert systems.

Finally, JVC's commitment to robustness is evident in these models. They are designed with durable enclosures suitable for both indoor and outdoor applications, ensuring that they can withstand various environmental conditions. Together, these features make the VN-V25U and VN-V26U series a compelling choice for those seeking reliable and advanced video surveillance solutions. Whether used in small businesses or large-scale facilities, these cameras provide the performance and security that end-users demand.