Wired security device DAHUA NKB1000-E with RS-232 and RS-485, size 330×139×53 mm, 1.3 kg

The Dahua Technology NKB1000-E is a wired security device intended for integration in CCTV and access control systems. It provides serial communication via RS-232 and RS-485 interfaces and comes in a black housing with dimensions of 330 x 139 x 53 mm and a calculated volume of 0.01312 cubic metres. The unit weighs 1.3 kg and is built for stable wired connectivity in professional security installations.

Advantages

The device supports both RS-232 and RS-485 serial protocols, allowing compatibility with a wide range of security equipment. Its wired design ensures consistent, low-latency communication suitable for continuous operation. The compact metal/plastic enclosure and moderate weight make it straightforward to mount and integrate into existing CCTV accessory setups.

Suitable for

• Integration with CCTV recorders and cameras that require serial control
• Connection to access control panels and alarm systems using RS-485/RS-232
• Professional security installations in commercial or industrial environments

Key specifications

• Interfaces: RS-232, RS-485
• Colour: Black
• Dimensions (L×W×H): 330 × 139 × 53 mm
• Calculated volume: 0.01312 cubic metres
• Weight: 1.3 kg

How to use

Mount the unit in a suitable location within the security system rack or enclosure, ensuring accessible cable routing for serial connections. Connect the RS-232 and/or RS-485 lines to the corresponding ports on cameras, recorders, or control panels following the equipment manufacturers' wiring conventions. Provide appropriate power and ground connections as required by the installation and verify communication with diagnostic tools or the control software.

Recommendations

Install the device in a dry, well-ventilated environment away from strong electromagnetic interference. Use shielded cables for long RS-485 runs and terminate the bus where recommended to maintain signal integrity.