•When an ANSWER command is required

The unit sends back the status or data, as shown in the figure.

Transmission command (→ The unit)

Response command (← The unit)

[STX]

QSR

 

[ETX]

[STX]

OPL

[ETX]

Status inquiry command

 

Status information command

Transmission command (→ The unit)

Response command (← The unit)

[STX]

QRV

 

[ETX]

[STX]

QRV:1.01:1.01:1.00:1.10 [ETX]

Version inquiry command

 

 

Sends back data.

 

 

 

 

 

 

 

•About ACK code

After receiving a command from the PC, the unit sends back the ACK code to the PC in 20 ms or less. [ACK] = Reception succeeded (ASCII code: 06H)

After the ACK code has been sent back and the command processing has been completed, the unit sends back the response command to the PC.

Example:

These are examples for the following operations.

1.Login with the user name of "ADMIN" and with password of "12345".

2.Display images from camera channel 1 on monitor 2.

3.Start playback from the point of January 1 2003, 3:00 p.m.

4.Logout

(1)(PC -> This unit) Login

[STX]AD001;OLI:ADMIN[SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP]:12345[SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP]

[SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP] [SP][ETX]

When receiving the command above, this unit will start the login procession of the user name of "ADMIN".

(2)(This unit -> PC) Response against (1). [STX]AD001;OLI:1[ETX]

(3)(PC -> This unit) Select the monitor 2 [STX]AD001;OMS:0002[ETX]

(4)(This unit -> PC) Response against (3). [STX]AD001;OMS:0002[ETX]

(5)(PC -> This unit) Display images from the camera channel 1. [STX]AD001;OCS:00001[ETX]

(6)(This unit - > PC) Response against (5).

[STX]AD001;OCS:00001[ETX]

(7)(PC -> This unit) Playback from the designated time point. [STX]AD001;ZTP:20030101150000[ETX]

When receiving the command above, this unit will start playback from the point of January 1 2003, 3:00 p.m.

(8)(This unit - > PC) Response against (7). [STX]AD001;ZTP: 20030101150000[ETX]

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Image 154
Panasonic WJ-HD309A 154, When an Answer command is required, Transmission command → The unit Response command ← The unit
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WJ-HD316A, WJ-HD309A specifications

The Panasonic WJ-HD309A and WJ-HD316A are advanced digital video recorders renowned for their performance in the professional surveillance arena. These models are engineered to deliver high-quality video capture, storage, and playback, making them ideal for various security applications in corporate, retail, and public safety settings.

One of the standout features of both the WJ-HD309A and WJ-HD316A is their ability to support real-time recording of up to 30 frames per second at D1 resolution, ensuring that captured footage remains fluid and clear. The high-resolution capability enhances image clarity, making it easier for operators to identify people and objects in surveillance footage.

These recorders utilize H.264 compression technology, which provides efficient data storage without compromising image quality. This allows for extended recording periods, making it feasible to monitor large areas over long durations while minimizing the need for extensive storage solutions.

An impressive characteristic of the WJ-HD309A and WJ-HD316A is their scalability. Users can seamlessly integrate these recorders into larger systems, connecting multiple cameras and additional storage units for comprehensive surveillance coverage. This flexibility ensures that organizations can grow their surveillance systems in line with operational needs, whether expanding a facility or incorporating new technologies.

Moreover, both models feature advanced search capabilities, enabling users to quickly locate specific events or timeframes in recorded footage. This is augmented by the user-friendly interface, which simplifies the management and playback of video files. The inclusion of network connectivity through Ethernet ports also facilitates remote access, allowing users to monitor live feeds and recorded footage from any located device with internet capabilities.

Another noteworthy aspect is the robust build quality of these recorders, designed for durability and reliability in various environmental conditions. They can operate effectively in challenging settings, making them suitable for outdoor and indoor installations alike.

In summary, Panasonic's WJ-HD309A and WJ-HD316A digital video recorders combine high-definition video capture with versatile storage capabilities, advanced compression technology, and user-friendly interfaces. Their scalability and robust features make them essential tools in the realm of video surveillance, ensuring comprehensive security solutions for diverse applications.
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