6.MISCELLANEOUS

6.MISCELLANEOUS

6.1 RS-232 & RS-485 Setup & Protocol

6.1.1 RS232 & RS485 Setup

Use a Null Modem cable (the standard RS-232 9 Pin Cable with Pin 2 and Pin 3 exchanged, see pin configuration chart below for details) to connect the COM 1 on the rear panel of the DVR to a PC.

Set the RS-232option to ON in the COMMUNICATION page of the setup menu. Set the PC communication parameters: 9600 bps, No Parity, 8 Data Bits, 1 Stop Bit.

6.1.2Communication Protocol

6.1.2.0General Command Format

<Lead Code = 0x41>, < Dest ID >, < Src ID >, <Main category >, <Second category >, {<Number of parameters>, <Parameter 1>, <Parameter 2> ..,} <End Code= 0x4f>

Lead Code

= 0x41

 

Dest ID

= 0x01

 

Src ID

= 0x20

 

Main Category = 0x01

Keys and Signals

 

= 0x02

Command

Second Category = 0x01 Handshake

=0x02 Request Time/Set Time

=0x06 Request System State

=0x0b Time Search

=0x10 Request HDD Info

=0x11 Request REC Position

=0x12 Playback Immediately

End Code= 0x4f

The different command types and their corresponding parameters are as follows:

53

Page 55
Image 55
Approach Tech DVR-3024M, DVR-3024MD manual Miscellaneous, RS-232 & RS-485 Setup & Protocol, 1 RS232 & RS485 Setup

DVR-3024M, DVR-3024MD specifications

The Approach Tech DVR-3024M and DVR-3024MD are advanced digital video recorders designed for professional security surveillance systems. These models embody cutting-edge technology, delivering superior performance and reliability for both residential and commercial applications.

The DVR-3024M features 24-channel recording capabilities, allowing users to monitor multiple locations simultaneously. This model supports a variety of camera types, including analog and IP cameras, making it a versatile choice for diverse security setups. The DVR-3024MD enhances this functionality by incorporating additional features tailored for more demanding environments, such as support for higher resolution cameras and enhanced data management.

One of the standout features of both models is their real-time recording capability at 1080p resolution. This ensures that users capture high-quality video footage with clarity, making it easier to identify individuals and details in crucial situations. The systems also support H.264 video compression technology, which optimizes storage space without compromising video quality. This is particularly beneficial for users with extensive recording needs, as it allows longer retention of footage without requiring excessive storage resources.

The Approach Tech DVRs are equipped with an intuitive user interface, enabling easy navigation through menus and settings. Users can access live feeds, playback footage, and manage settings seamlessly via a connected monitor or remotely through web browsers and mobile apps. This remote access feature is crucial for users who require constant surveillance, providing peace of mind regardless of location.

In terms of connectivity, the DVR-3024M and DVR-3024MD come with multiple encoding options and can stream video over networks, allowing users to monitor their premises from anywhere in the world. They support power over Ethernet (PoE), simplifying installation by reducing the need for additional power sources for cameras.

Both models also feature advanced motion detection, enabling automatic recording only when action is detected. This not only conserves storage space but also makes it easier to locate significant footage during playback. Alerts and notifications can be customized to keep users informed about any unusual activity.

In summary, the Approach Tech DVR-3024M and DVR-3024MD stand out as reliable and feature-rich options for anyone looking to implement a sophisticated surveillance system. With superior recording capabilities, user-friendly interfaces, and advanced connectivity options, these models are well-equipped to meet the needs of modern security demands.