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Function of the module

The OSDPv2 is an expansion board that enables the connection of readers and keypads using the OSDP protocol. It is compatible with Didactum surveillance systems such as the 100T, 300T, 500T, and 550T. Installation is possible during operation, offering flexibility with minimal downtime. The board features an internal termination resistor that is enabled by default but can be disabled if required.

The module supports various devices, including the SE Mini Reader and other OSDP readers or keypads from third-party manufacturers, making it a versatile tool for integrating access control into Didactum surveillance systems.

Physikalische Beschreibung

a) "Status" - LED for indicating the OSDPv2 status.

LED colorDescription
RedTransmit signal.
BlueReceive signal.

Red - Transmit
Blue - Receive

b) "+12V, A+, B-, GND" - OSDPv2 port with RS485 pins

Description: OSDP Reader Expansion V – technical specifications.

Function & purposeDescription
Device type:Expansion board slot.
Used for:For connecting readers and keypads to Didactum monitoring systems.
Max. number of readers:It is recommended to connect up to 4 readers. Up to 2 readers can be powered by the internal system power supply.

Installing the module in the monitoring unit

This procedure can be performed while a Didactum monitoring unit is in operation.

Step 1

Unscrew the small cover on the monitoring device using a screwdriver.

Set the cover aside.

Step 2

Insert the module into the device so that the circuit board is placed between the circuit board guide rails.

Step 3

Take the board from step 1 and cut off the plate inside it using pliers.

Step 4

Use the screwdriver to reattach the cover to the device.

Step 5

You can get started! Turn on the system.

OSDPv2 RS485 Expansion Module

OSDPv2 RS485 Expansion Module
The Didactum RS485 Expansion Module is a key component for modern access control and security monitoring in companies. With support for the OSDPv2 protocol and flexible integration into Didactum Monitoring Systems 100T, 300T, 500T, and 550T, this expansion module opens up new possibilities for monitoring and controlling access permissions, both in server rooms and other critical areas.

The module allows connection of OSDP-compatible card readers, keypads, and biometric devices directly to the monitoring system for precise control over who, when, and how access to a server room is granted.

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