The GBF SentryLink Smart Intercom for Multi-Tenants is a comprehensive IP video intercom system designed for multi-tenant buildings, enabling monitoring and interaction with visitors from anywhere via a mobile device with Wi-Fi or data connection. This system leverages GBF's expertise in multi-security camera monitoring through smart handheld devices.

Function Description:

The core function of the GBF SentryLink Smart Intercom is to provide secure and convenient access control and communication for multi-tenant buildings. It allows tenants to monitor their door, interact with visitors, and grant access remotely. The system integrates an IP Video Door Station with mobile device connectivity, offering a full-featured intercom experience.

Installation and Setup:

Installation begins by selecting an optimal location for the SentryLink Door Station, considering factors like sightlines, shadows, and excessive background lighting for the camera. The recommended mounting height is approximately 60 inches (150 cm) from the surface to the camera lens. Essential connections required at the installation location include a live internet feed (RJ45 plug), mains power or low voltage extension wire, door or gate control wire(s), and optionally, push-to-exit button connection(s).

The installation process involves feeding power supply wiring, wiring harness(s), and the internet cable through a hole from the back side of the metal back box. The back box is then mounted to the wall using six screws (and anchors, if required). For flush-mount back boxes, it's crucial that the edges are flush with or slightly proud of the surrounding building finish, as the SentryLink Door Station's edges are slightly larger and seal tightly to the back box when cam locks and set screws are engaged.

After mounting the back box, the wiring harness and other connections are connected to the back of the IP Doorbell. The device is then gently locked into the back box using the provided cam lock key and secured at the bottom leading edge with two Hex-Head screws and an Allen key.

Important Technical Specifications:

Components:
- (1) GBF Smart IP Video Door Station (GBF-SKT001)
- (1) Metal Back Box
- (1) 12VDC 3A Power Adapter
- (2) 5-pin Unlock Relay Wire Harnesses
- (4) Screws with Anchors
- (1) Installation and Instruction Manual
Power Wire Length: Maximum 15 meters (50 feet).
Ethernet Cable Distance: Maximum 100 meters (350 feet).
Door Lock Type Compatibility: Supports NO/COM (e.g., door strike) and NC/COM (e.g., mag lock).
Connectivity: Requires internet connectivity from a primary router to the SentryLink Door Station.
Admin Password: Default is 888888888888. It is critical to change this during initial installation and store the new password securely, as a forgotten password requires factory intervention for reset.
Unlock Delay Time: Adjustable from 1 second to 1000 seconds.
Unlocking Voltage Settings:
- High Level: For Normally Open Circuit (e.g., Electric Door Striker or Deadbolt).
- Low Level: For Normally Closed Circuit (e.g., Electric Mag Lock).
Device Identification: Each device has a unique GID number, which must be verified against the device's back QR code label and the settings page.
Time Zone: User-configurable to match the installation location.

Usage Features:

Tenant Directory Screen: The unit boots to a tenant directory screen, which is initially empty.
Touch-Screen Keypad: Used for accessing settings and entering passwords.
Admin Password Access: The settings page is accessed by pressing 'Password' on the screen and entering the 12-digit admin password.
Remote Monitoring and Interaction: Tenants can monitor and interact with visitors from their mobile devices via Wi-Fi or data connection.
Gate Lock Unlocking Delay Time: Configurable through the settings page.
Device GID Management: The GID number can be managed within the settings.
Panel Navigation Bar: Can be enabled to access Android system settings, including time zone configuration. This feature provides access to the Android system main page by pressing the 'O' (home) button.
Time Zone Selection: Allows users to select the appropriate time zone for the door station's location from a list of global time zones.

Maintenance Features:

Password Management: The system allows for changing the admin password. It is strongly advised to change the default password immediately after installation.
Reset Admin Password: An option is available to reset the admin password, though a forgotten password requires factory intervention.
Reset to Default Settings: The device can be reset to its factory default settings.
Watchdog Functionality: The system includes a watchdog feature, likely for system stability and automatic recovery.
Configuration Information: The settings page displays connection status, running time, APP version, and detailed configuration information, aiding in troubleshooting and maintenance.
Software Updates: While not explicitly detailed, the presence of an "APP version" and "Lib version" suggests that the system may support software updates for improved functionality and security.

The GBF SentryLink Smart Intercom is designed for ease of installation and configuration, providing robust security and communication capabilities for multi-tenant environments. Careful adherence to the installation instructions and proper management of settings, especially passwords, are crucial for optimal performance and security.

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