TECHNICAL KNOWLEDGE BASE
GT Series
GT Series
Specifications
GT-SW Directory Strip Dimensions
Dimensions of the paper directory strip and plastic cover are: 12mm x 67mm 7/16″ x 2-5/8″
GT-1C7 Technical Specifications
Line Drawing Specifications Power Source 24V DC, supplied from GT-BC Communication Hands-free or Push-to-talk Screen 7 inch TFT color LCD WVGA (800 x 480) Mounting Surface wall mount Operating Temperature 32° ~ 104°F (0° ~ 40°C) Dimensions 6-½” H x 7-⅞” W x 1″ D Weight Approx. 1.25 lbs (570g)
GT-1M3 Technical Specifications
Line Drawing Specifications Power Source 24V DC, supplied from GT-BC Communication Hands-free or Push-to-talk Screen 3.5 inch TFT color LCD Mounting Surface wall mount Operating Temperature 32° ~ 104°F (0° ~ 40°C) Dimensions 7-1/16″ H x 4-15/16″ W x 1″ D Weight Approx. .71 lbs (3.20g)
GT-DMB-N Technical Specifications
Line Drawing Specifications Power Source 24V DC, use specified number of PS-2420ULs per system configuration Communication Hands-free Capacity Max. 16 entrance stations per system Max. 4 video guard stations per system Max. 500 tenant stations per system Max. 4 tenant stations per unit Wire Two sets of 2-conductor, PE insulation (two common buses for audio […]
GT-MCX Technical Specifications
Line Drawing Specifications Power Source 24V DC, PS-2420UL Standby 75mA, Maximum 125mA Wire 2-conductor, PE insulation CAT5e/6 Wiring Distance GT-MCX to power supply: 16′ GT-MCX to distribution point: 165′ GT-MCX to GT-VBC 165′ GT-MCX to GT-BC: 165′ GT-MCX to network switch: 330′ Protocol IPv4, IPv6, TCP, UDP, IGMP, MLD, DHCP, NTP, DNS Encryption TLS 1.2 […]
GT-1A Technical Specifications
Line Drawing Specifications Power Source 24V DC, supplied from GT-BC Communication Hands-free or Push-to-talk Capacity Maximum 4 GT-1A tenant stations per resident location Wire 2-conductor, PE insulation Wiring Distance GT-1A to distribution point: 980′ GT-1A to doorbell: 33′ GT-1A to emergency alarm switch: 49′ GT-1A to GT-RY: 33′ Mounting Surface wall mount Operating Temperature 32° […]
GT-1D Technical Specifications
Line Drawing Specifications Power Source 24V DC, supplied from GT-BC Communication Duplex Capacity Maximum 4 GT-1A tenant stations per resident location Wire 2-conductor, PE insulation Wiring Distance GT-1D to distribution point: 980′ GT-1D to doorbell: 33′ GT-1D to emergency alarm switch: 49′ GT-1D to GT-RY: 33′ Mounting Surface wall mount Operating Temperature 32° ~ 104°F […]
GT-2C Technical Specifications
Line Drawing Specifications Power Source 24V DC, supplied from PS-2420UL Communication Hands-free or Push-to-talk Capacity Maximum 1 GT-2C tenant stations per resident location Screen 3-1/2″ TFT color LCD Wire 2-conductor 18AWG, PE insulation 2-conductor 20AWG, PE insulation Wiring Distance GT-2C to audio distribution point: 980′ GT-2C to GT-VBC: 490′ (20AWG and 18AWG) GT-2C to doorbell: […]
GT-2H Technical Specification
Line Drawing Specifications Power Source 24V DC, supplied from PS-2420UL Communication Hands-free or Push-to-talk Capacity Maximum 1 GT-2C tenant stations per resident location Screen 3-1/2″ TFT color LCD Wire 2-conductor 18AWG, PE insulation 2-conductor 20AWG, PE insulation Wiring Distance GT-2H to GT-2C: Up to 330′ from furthest GT-2H to GT-2C Mounting Surface wall mount Operating […]
GT-BC Technical Specification
Line Drawing Specifications Power Source 24V DC, supplied from PS-2420UL Power Consumption Max. 0.9A Capacity Maximum 48 tenant stations per (25 per trunk) Wire 2-conductor 18AWG, PE insulation Wiring Distance GT-BC to furthest tenant station: 980′ GT-BC to PS-2420UL: 33′ Mounting Surface wall mount or DIN rail (W-DIN11) Operating Temperature 0～40℃（32～104°F） Dimensions 4-¼” H x […]
GT-VBC Technical Specification
Line Drawing Specifications Power Source 24V DC, supplied from PS-2420UL Power Consumption Max. 0.9A Capacity Maximum 48 tenant stations per (25 per trunk) Wire 2-conductor 20AWG, PE insulation Wiring Distance GT-VBC to furthest tenant station: 490′ GT-VBC to PS-2420UL: 33′ Mounting Surface wall mount or DIN rail (W-DIN11) Operating Temperature 0～40℃（32～104°F） Dimensions 4-¼” H x […]
GTW-VOA Technical Specifications
Image Specifications Power Source Supplied from GT-VBC Wire 2-conductor 20AWG, PE insulation Wiring Distance GT-VOA to GT-VBC: 490′ Mounting Surface wall mount or DIN rail (W-DIN11) Operating Temperature 32-104°F (0-40°C) Dimensions 4-5⁄16″ H x 4-13⁄16″ W x 2-3⁄8″ D Weight Approx. 0.42 lbs (190g)
GT-D Technical Specification
Line Drawing Specifications Power Source Supplied from Residential station Type of Communication Open voice handsfree communication Wire 2-conductor, PE insulation, Aiphone wire #871802 Mounting Surface wall mount Electrical Box Single-gang box Operating Temperature 14°~140°F (-10°~60°C) Dimensions 5-1/8″ H x 3-7/8″ W x 1-1/8″ D Weight Approx. 0.44 lbs (200g)
SBX-ACE Technical Specifications
Line Drawing Specifications Features Weather resistant Includes space inside for wiring Mounts to 1-gang box or ring Can mount directly to wall surface Material 18 gauge polished stainless steel Mounting Surface mount directly to the wall or 1-gang box Overall Dimensions 7-1⁄16″ H x 9-⅛” W x 4-¼” D (top) 1-⅝” D (bottom) Faceplate […]
MCW-S/B Technical Specifications
Line Drawing Specifications Features Allows desk mounting of master and / or handset station Mounting hardware included Station is propped up for easier viewing Pre-drilled mounting holes Constructed with sturdy ABS plastic Adjustable to 45° or 60° angles Compatible Stations AX-8M, AX-8MV, AX-8MV-W, DB-1MD, DB-1SD, GT-1A, GT-1C7, GT-1M3, GT-2C, GT-2H, JF-2HD, JF-2MED, JK-1HD, JK-1MED, […]
Tips
Clearing and Reprogramming a Tenant Station
Summary Clearing and reprogramming an incorrectly programmed tenant station. Solution GT Series Push Button Entrance Station Place the entrance station in programming mode, once there, press and hold the miss-programmed button until you get a steady tone. Release the button during this tone, do not hold the button down until the tone ends or the […]
GT-MK Factory Reset
Summary Used when GT-MK needs to be reset to factory default, or if it is stuck in a certain status, such as reception mode, connecting, and others. Solution Turn on all dip switches (1-4) on SW1. Turn on the power while pressing the Door Release and Light buttons. Release these buttons when the entire display turns on. […]
GT-DM Factory Reset
Summary Steps on factory resetting a GT-DM or GT-DMA Entrance Station. Solution Turn on all switches (1-4) of SW1 and switches 2, 3, and 4 of SW2. Turn on the power while pressing down the up and down arrow buttons. Release the up arrow button after a beep is emitted and “Blue back” is displayed. […]
Adding or Editing Resident Information on a GT-DMB-N
Summary How to enter or edit existing information on a GT-DMB-N or modular entrance station. Solution From the keypad enter # * 1111. The display will show “Re-enter code”, enter * 1111. You should now see the selection Language. Use the arrow keys and scroll to System Settings press green Bell button. Use the down arrow key […]
Clearing Link Data from GT-MKB-N
Summary Steps on how to clear link data from the GT-MKB-N. Solution From stand-by press the Settings button. Press the down arrow to select Advanced Settings and press the Light button. Press the down arrow to select Program Mode. Enter passcode *1111, re-enter code *1111. Press the down arrow to select Programming and press Light button. Select List […]
Add NFC Cards and Devices to GT-DMB-N
Summary Steps on entering NFC cards and NFC-enabled devices into the GT-DMB-N. Solution Enter program mode by pressing #* followed by the authorization code. Enter * and the authorization code once more. Use the arrow buttons to scroll to Station Settings, press the green Bell button. Use the arrow buttons to scroll to Access Code, […]
Videos
Wiring Diagrams
Wiring: GT Standard System Audio Only
Diagram Wire Type Audio Line 20AWG (0.8mm) 2 Conductor Solid Non-Shielded PE Insulated Power PS24 PS-2420UL PT Power Transformer (Contact electric strike or magnetic lock manufacturer for power requirements) Wiring Distances Max. wire distance from a distribution point to any tenant is 980’ (300m). Max. cumulative wire distance is 8200’ (2500m). Refer to the GT […]
Wiring: GT Standard System Audio/Video
Wiring Diagrams Homerun Wiring Max. of 6 GT-4Zs per trunk. SW1 switch must be set to A on last GT-4Z in the wire trunk. Each tenant station homeruns to a GT-4Z and its SW1 switch must be set to A. Loop Wiring Max. of 25 stations per loop. SW1 switch must be […]
General GT Expanded Video Loop Wiring Diagram
This wiring diagram is suitable for video GT Series systems with up to 500 tenant stations, 16 entrance stations, and 4 guard stations.
General GT Standard Video Loop Wiring Diagram
This wiring diagram is suitable for video GT Series systems with up to 48 tenant stations, 5 entrance stations, and 2 guard stations.
Application Notes
GT-MK Factory Reset
Summary Used when GT-MK needs to be reset to factory default, or if it is stuck in a certain status, such as reception mode, connecting, and others. Solution Turn on all dip switches (1-4) on SW1. Turn on the power while pressing the Door Release and Light buttons. Release these buttons when the entire display turns on. […]
GT-DM Factory Reset
Summary Steps on factory resetting a GT-DM or GT-DMA Entrance Station. Solution Turn on all switches (1-4) of SW1 and switches 2, 3, and 4 of SW2. Turn on the power while pressing down the up and down arrow buttons. Release the up arrow button after a beep is emitted and “Blue back” is displayed. […]
Programming Resident Info New GT-MKB-N
Summary Steps on programming an apartment number and name in a GT-MKB-N. Solution Press the Settings button. Use the down arrow key to select Advanced Settings and press the Zoom button to enter the settings. Use the down arrow key to select Program Mode and press the Zoom button to enter the settings. Enter […]
Adding or Editing Resident Information on a GT-DMB-N
Summary How to enter or edit existing information on a GT-DMB-N or modular entrance station. Solution From the keypad enter # * 1111. The display will show “Re-enter code”, enter * 1111. You should now see the selection Language. Use the arrow keys and scroll to System Settings press green Bell button. Use the down arrow key […]
Add NFC Cards and Devices to GT-DMB-N
Summary Steps on entering NFC cards and NFC-enabled devices into the GT-DMB-N. Solution Enter program mode by pressing #* followed by the authorization code. Enter * and the authorization code once more. Use the arrow buttons to scroll to Station Settings, press the green Bell button. Use the arrow buttons to scroll to Access Code, […]
How to Program NFC Cards to Release the Door on a Multi-button GT Entrance Station
Summary Setting up NFC access cards for a standard multi-button entrance station (non-digital displays) using the free Aiphone GT Setup Tool for Android® phones with NFC capability. Solution Before beginning this procedure, the GT Series will need to be completely installed and programmed for regular visitor call and access. You will also need the GT […]
Deleting Resident Information from GT Panels
This guide explains how to delete resident information from current and legacy GT panels and guard stations.
Error 101 in GT Setup Tool
This guide covers the cause of and resolution to Error 101 when uploading using the GT Setup Tool.
GT, GH, & GF Series Tenant Station Compatibility
This chart shows which tenant stations from the GT, GH, and GF Series are compatible with other series, and what currently available station can take its place, if one is available. ✓ Supported X Unsupported ♦ Supported, requires extra power GT Series Stations Current GT GH GF Replaced By GT-1C7 ✓ ✓ X Current GT-1M3 […]
Common Issues
GT-DMB-N Resident Information Programming
Summary Steps to program an apartment number and name in a digital entrance station. Solution From the keypad enter #*1111 (screen should display “re-enter code”). Enter *1111. Use the arrow keys and scroll to System Settings. Press the green Bell button to enter the menu. Use the arrow keys and scroll to Resident Info. Unit # will appear, press […]
Unresponsive GT-NS or GT-DM Digital Directory
Summary GT-NS/GT-DM is unresponsive or frozen. Cause Possible reasons: The R1/R2 conductors are shorted or disconnected (GTA/V-DES or GT-DM). The GT-NS is disconnected from the GT-DA, or the GT-DA is malfunctioned (GTA/V-DES). The GT-NS has malfunctioned caused by a possible power surge (GTA/V-DES). Solution First ensure proper connection on R1/R2 and confirm 24V DC […]
Clearing and Reprogramming a Tenant Station
Summary Clearing and reprogramming an incorrectly programmed tenant station. Solution GT Series Push Button Entrance Station Place the entrance station in programming mode, once there, press and hold the miss-programmed button until you get a steady tone. Release the button during this tone, do not hold the button down until the tone ends or the […]
GT-NS Reset Procedure
Summary Steps on factory resetting the GT-NS. Solution Turn on dip switches 1-3 on SW1. Turn on the power while pressing down up and down arrow buttons. Release the buttons when the display turns on. Press the red X button. “E2P ROM CHECK” is displayed during the initialization. “E2P ROM OK” is shown when it […]
Resetting GT-DMB-N Passcode
Summary In case the admin passcode is forgotten, follow these steps to reset back to the default *1111 passcode. Solution Power down the GT-DMB-N. Move the number 8 dip switch to the UP or ON position. Power up the GT-DMB-N. After 2 to 4 seconds, move the number 8 dip switch to the DOWN […]
Clearing Link Data from GT-MKB-N
Summary Steps on how to clear link data from the GT-MKB-N. Solution From stand-by press the Settings button. Press the down arrow to select Advanced Settings and press the Light button. Press the down arrow to select Program Mode. Enter passcode *1111, re-enter code *1111. Press the down arrow to select Programming and press Light button. Select List […]
Deleting an Apartment Number from a Digital Modular Entrance Panel
Summary Use this method when an apartment number is no longer needed. Solution Enter program mode by pressing # followed by the authorization code. Enter the authorization code once more. Scroll to System Settings using the arrow buttons, press the green Bell button. Scroll to Resident Info using the arrow buttons, press the green Bell button. Enter the […]
Unable To Transfer From Entrance or Guard, or Transfer via Setup Tool
Summary A number of things can cause this problem such as wrong ID, wrong wiring, no power, and more. Solution Here are a few solutions to try: Meter the R1/R2 terminal for voltage. If you get no voltage, then the R1R2 wire is not connected to the GT-BC, or the GT-BC is not […]
An Expanded System Failing To Enter Programming Mode
Summary Multiple entrance stations on the system none of which can enter programming mode. None of the entrance stations share the shame dip switch configuration and power to the GT-BC has been cycled. Solution On an expanded system, the 5 entrances can have their ID set as 1 – 8 and wired into Common1 […]
When Trying To Clear Tenant Station Registration an Error Tone Sounds
Summary On a video system, Key + Bell does not clear out the programming on the tenant, instead of a short beep an error tone sounds. Solution Flip all of the dip switches on the back of the tenant station down and then cycle power to the GT-BC.
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