Interface and Network Connections
The document describes methods for connecting controllers and interfaces, focusing on RS232 and RS485 network interfaces. It details two connection methods for the Model 485HF9 PC Interface: a controller-powered network and a locally powered network. It also discusses interconnecting controllers and RS485 network line termination.

Software Installation and Configuration
Instructions for installing the Link.net software are provided, including initial access and controller setup. The software is crucial for monitoring real-time events and alarms, although door operations are autonomous.

User Guide and Interface
The user guide explains the login process, language selection, and user rights setup. Users can modify and produce reports from the main view, while the main menu offers access to all software functions. Viewer windows like Events Viewer, Alarms Viewer, and Traces Viewer display system events, alarms, and token holder usage.

Personnel and Access Control
The document details managing cardholders, assigning unique card numbers, and attaching images. It explains using time schedules for access control and creating access control groups for specific areas. Public holidays can override regular schedules.

Reports and Monitoring
Link.net offers various reporting functions, including historical events, SQL queries, location reports, and roll call for emergency registers, aiding in querying the system for historical and current status information.

Creating Zones
Zones are defined areas used for access control systems, requiring two names: 'From Direction' and 'To Direction'. To create a zone, use the 'Create New' button, enter a name, and confirm. Zones can be marked as 'Safe' or 'Unsafe', affecting emergency reports. 'Safe' zones are considered free from evacuation risks.

Assigning Zones to Access Control Readers
After defining zones, assign them to access control readers via the Link.net controller. Change specifications by selecting the zone name and applying it to the reader.

Offline Operation Mode
Controllers can operate offline, isolated from the network. Changes made offline must be manually updated to controllers using the 'Send Offline Data' function. Offline events are stored up to 450 entries, after which the oldest are overwritten.

Online Operation with Selected Offline Controllers
Some controllers can operate offline while others remain online. Exclude offline controllers from networking to prevent connection attempts.

Retrieving Events from Excluded Offline Controllers
Connect a PC to offline controllers to import stored events using the 'Import Data from Excluded Controllers' function.

The Options Window
The Options menu configures system operations, including initialization, roll call reports, alarm procedures, and graphical settings. Sound and graphical representations for alarms can be customized.

Roll Call Options
Roll Call reports list on-site personnel based on access control transactions. Reports can be printed automatically and are enhanced by XTAG technology.

Timed Access Control Filtering (TACF)
TACF filters redundant data from long-range readers over a set period (2-9 minutes). Specific readers can be excluded from this filtering.

Ignoring Unknown Card IDs
Non-system card IDs can be filtered out indefinitely if not needed.

Database Options
Link.net uses Microsoft Access databases by default, with optional mySQL support for network operations.

Advanced Data Exchange
Access granted events can be exported to remote files for third-party processing. This is a simplex data exchange, moving data from source to target.

Database Structure and Usage
The document describes the structure and usage of an Access 2000 style database table named Global1, which includes fields such as RECORDID, SID, SNAME, and others, each with specific data types and descriptions. This database can be queried by applications like Microsoft Access for reporting purposes.

VIP Data Exchange Module
The CDV Link.net v4.20 includes a module for data exchange with third-party applications via an intermediary Access database (VIP_LINK.mdb). This database contains two tables: VIPDATA for importing data into Link and EVENTDATA for exporting data from Link. The document outlines the fields and requirements for data import and export, emphasizing the need for correct data formatting.

Installation Guide
The installation guide covers the setup of Link.net hardware, which involves connecting distributed intelligence controllers to a network managed by Link.net software. It includes details on power supply requirements, network connectivity, and offline mode operation. The guide also provides specifications for the integral power supply and instructions for installing a Link Access Controller (LT-20AC).

Access Control Readers
The document lists various types of access control readers compatible with Link.net controllers, including the Link 50 Bit Clock & Data Reader Interface. It provides wiring instructions and notes on the maximum cable distance for installation.

Overview: The document provides technical specifications and installation guidelines for various types of access control readers, including proximity readers, Mifare smart card readers, magnetic stripe readers, long-range active tag readers, and biometric fingerprint readers. It also covers the connection of exit buttons, door contacts, and locking devices, as well as the setup of interlock systems and IP LAN access controllers.

Proximity Reader T-100R: Equipped with a Molex style connector, it can be extended or terminated for cable-to-cable connections. Optimal performance is achieved with ISO style LT-100C cards and when mounted away from metal surfaces. Avoid back-to-back mounting on the same door.

Mifare Smart Card Reader LT-8000: Connects via a Link PCB terminal with a maximum cable distance of 75 meters using Belden 9536 cable.

CDV Magnetic Stripe Reader: Operates with a maximum cable distance of 50 meters. The LED control wire requires a 200-ohm resistor in series.

XTAG XT200A Long Range Active Tag Reader: Detects tags within a 4 to 25-meter range, adjustable via a screw. Avoid mounting near metal surfaces for optimal performance. The reader has various operating modes controlled by dipswitches.

CDV Proximity and Biometric Readers: These readers require specific connections and settings for optimal performance. The biometric reader includes an RS232 connector for fingerprint uploads.

Connecting Exit Buttons and Door Contacts: Use standard or CAT5 cables with a maximum distance of 50 meters. Ensure no voltages are applied to prevent damage.

Locking Devices and Suppression: Always connect a diode or suppression device across lock terminals to prevent damage from back EMF voltages.

Testing and Interlock Systems: Basic tests ensure proper installation. Interlock systems require specific settings for correct operation.

IP LAN Access Controller (LT-20IP): Provides LAN connectivity for access control systems. Requires configuration of IP address and subnet mask using the 'Network Enabler Configurator' software.

Overview: This document provides detailed instructions for setting up and configuring LT-20IP controllers within a LAN environment. It covers installation procedures, IP settings configuration, and network setup for access control systems.

Specifications: Each LT-20IP controller has a default IP address of 192.168.127.254 and a subnet mask of 255.255.0.0. The TCP/IP settings of the LAN adapter on the local host PC should also have a subnet mask of 255.255.0.0.

Installation Procedures: To install the Network Enabler Utility, run 'Utility_Setup.exe' from the Link CD. Use the 'Configuration_Broadcast Search' option to list all IP controllers on the network. If controllers are not found, check for IP addressing or LAN issues.

Changing Controller IP Settings: Unlock the controller using the MAC address, then modify settings under the Basic and Network tabs. Ensure the server name is descriptive and limited to 17 characters. Request a unique IP address from the LAN administrator for each controller.

Link.net Server Configuration: After setting unique IP addresses and subnet masks for all controllers, configure the Link.net Server software. Use the 'Access Control & Controllers' menu to list available controllers and set the TCP/IP connection with a default port number of 4001.

Addressing Controllers: Each controller requires a unique electronic address (EID) set by a 6-way DIL switch. Dipswitches 1-5 establish the EID, while switch 6 sets the operating mode.

Network Setup: The document outlines various network configurations, including simple wired, multiple channel wired, and wired & IP connected networks. It emphasizes using CAT5 UTP or Belden cables and maintaining a common grounding wire.

USB to RS232 Interface: If an RS232 port is unavailable, use a USB to RS232 interface to create a virtual serial port. Install the driver from the CD and configure the port settings in the device manager.

RS485 Network Line Termination: For cable lengths exceeding 200 meters, use a 120R resistor for line termination to improve network reliability.

Additional Recommendations: Avoid parallel cable runs with power facilities, use screened cables in industrial environments, and ensure proper termination of network cables.

Installation Procedure
To install the software, insert the CD into the PC's CD drive. If the installation does not start automatically, navigate to the root directory of the CD and run the setup.exe file. Follow the on-screen prompts to complete the installation.

Accessing the Software
The software supports user profiles and initially includes a default user named 'Manager'. To access the software, go to 'Start', 'Programs', and select 'Link & Link.net Access Control'. Enter the password 'Manager' (case-sensitive) to log in. The software will launch the 'Plug & Play Controller Manager' if accessed for the first time.

Plug & Play Controller Installation
Upon initial installation, the Plug & Play Manager activates if no hardware is installed. Confirm the default port or select a different one. Ensure the 'Enable Link Networking' box is checked to establish networking. Connect the Link.net hardware to the PC, ensuring all hardware is installed and tested as per the manual. The software will detect controllers and list them, with an audible beep indicating new hardware detection.

Manual Controller Installation
For adding controllers to an existing network without Plug & Play, use the 'Install New Hardware' function in the Tools menu. Select 'Controllers' from the Access Control menu and click 'Install New Controller'. A new controller record is created, assigning the first available free network address.

Changing Controller Parameters
Once controllers are detected, set individual parameters for each. Assign names for nodes and controllers, set unlock times, and configure interlock situations if applicable. Customize messages for General Purpose Inputs and apply changes.

Selecting Global Access Control Interface Type
The LT-20AC Access Controllers support Wiegand and Clock & Data standards. To change the interface type, adjust settings in the 'View_Options_Reader Options' section and send the information to the controllers. This setting is non-volatile and remains unchanged if power is removed.