1. פּראָדוקט איבערview
The Aiphone LEF-10S is an Open Voice Selective Call Master Intercom designed for surface mounting. It facilitates audio communication with visitors at a door and with other rooms within a building. This master intercom supports connection with up to 10 Aiphone LAF and LEF Series master intercoms, and LA, LE, or LS Series door and sub-master intercoms.
Key features include an All-Call button for broadcasting messages and a Door Release button for remote access control.

Image of the Aiphone LEF-10S Open Voice Selective Call Master Intercom, showing its front panel with buttons and speaker.
1.1 What's in the Box?
- Aiphone LEF-10S master intercom unit
- מאַונטינג ייַזנוואַרג
- אינסטרוקציע מאַנואַל
2. זיכערקייַט אינפֿאָרמאַציע
Please read and understand all instructions before installation and operation. Failure to follow these instructions may result in electric shock, fire, or damage to the product.
- עלעקטריקאַל זיכערקייַט: Ensure all power is disconnected before performing any wiring or installation procedures. Installation should be performed by qualified personnel in accordance with all local electrical codes.
- ינווייראַנמענאַל טנאָים: Do not expose the intercom to extreme temperatures, humidity, or direct water contact.
- האַנדלינג: Handle the unit with care to prevent physical damage.
3. ינסטאַלירונג
The LEF-10S master intercom is designed for surface mounting.
3.1 מאַונטינג
- Select a suitable location for the master intercom, ensuring it is easily accessible and within reach of necessary wiring.
- Use the provided mounting hardware to securely attach the intercom unit to a desktop or wall surface.
3.2 וויירינג
The system requires hardwiring and is powered by a 12V power supply (e.g., Aiphone PS-1225UL, sold separately).
- מאַכט צושטעלן: Connect the 12V power supply to the designated terminals on the LEF-10S.
- ינטערקאָם קאַנעקשאַנז: Connect the LEF-10S to door, sub-master, or other master intercoms using appropriate wiring. Maximum distance from door/sub to master is 650 ft. using 22 AWG wire, or 1,600 ft. using 18 AWG wire.
- Door Strike Connection: For door access control, connect an electric strike (sold separately) via an Aiphone RY-PA relay (sold separately). Each intercom in the system must be connected to an Aiphone RY-PA relay.
- All-Call Functionality: To enable the All-Call broadcast feature, connect an Aiphone BG-10C adapter (sold separately) to the system.
- נאָך מכשירים: The RY-PA relay can also connect other devices such as CCTV cameras and lights (sold separately).
4. סעטאַפּ
4.1 ערשט מאַכט-אַרויף
Once all wiring is complete and secure, connect the 12V power supply to an electrical outlet. The intercom system will power on.
4.2 באַנד אַדזשאַסטמאַנט
The chime and audio volume can be adjusted using the dedicated controls on the master intercom unit. Adjust to a comfortable listening level.
5. אָפּעראַציע
5.1 מאַכן אַ רוף
- Press one of the 10 selectable buttons corresponding to the desired door or sub-master intercom. An LED indicator will illuminate.
- דריקן און האַלטן די שטופּן-צו-רעדן button to speak.
- מעלדונג די שטופּן-צו-רעדן קנעפּל צו הערן פֿאַר אַ ענטפער.
5.2 באַקומען אַ רוף
When a call is received from a sub-master intercom, a momentary chime will sound, and the corresponding LED indicator above the selectable button will illuminate for 20 seconds.
- Press the illuminated button to establish communication.
- דריקן און האַלטן די שטופּן-צו-רעדן button to speak, and release to listen.
5.3 All-Call Function
If an Aiphone BG-10C adapter is connected, the אַלע-רופן button allows you to broadcast a message to every intercom connected to the system.
- דרוק די אַלע-רופן קנעפּל.
- דריקן און האַלטן די שטופּן-צו-רעדן button to broadcast your message.
- מעלדונג די שטופּן-צו-רעדן קנעפּל ווען פאַרטיק.
5.4 טיר ארויסלאָז פונקציע
If an electric strike is connected via an RY-PA relay, the טיר ריליס button allows you to remotely unlock the entrance for a visitor.
- Establish communication with the door intercom.
- דרוק די טיר ריליס button to activate the electric strike.
5.5 Privacy Function
די פּריוואַטקייט button prevents other intercom users in the system from overhearing a conversation with another intercom, ensuring confidentiality.
- During a conversation, press the פּריוואַטקייט button to activate privacy mode.
- דרוק די פּריוואַטקייט button again to deactivate it.
5.6 Monitoring Function
The master intercom allows you to listen to audio transmissions from a specified door or sub-master intercom at any time.
- Select the desired door or sub-master intercom button.
- The master intercom will monitor audio from that location without requiring the שטופּן-צו-רעדן button to be held.
5.7 Silencing Chime Alerts
To temporarily silence incoming call chime alerts, switch the power button to the 'off' position. This will only silence the chime, not power down the unit entirely.
6. וישאַלט
6.1 רייניקונג
To clean the intercom unit, gently wipe the surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the unit.
6.2 רעגולער טשעקס
Periodically check all wiring connections to ensure they are secure. Ensure the unit is free from dust accumulation, especially around vents or speaker grilles.
7. טראָובלעשאָאָטינג
If you experience issues with your Aiphone LEF-10S intercom, consider the following common troubleshooting steps:
- קיין מאַכט: Ensure the 12V power supply is correctly connected and plugged into a working electrical outlet. Check all power connections.
- קיין קאָמוניקאַציע: Verify that all intercom units are properly wired and connected. Check for loose or damaged wiring. Ensure the correct intercom button is selected.
- נעבעך אַודיאָ קוואַליטעט: Adjust the audio volume. Check for any obstructions near the microphone or speaker. Ensure wiring connections are secure and free from interference.
- טיר אויסלעשער ארבעט נישט: Confirm that the Aiphone RY-PA relay and electric strike are correctly installed and wired. Check the power supply to the electric strike.
- All-Call Not Working: Ensure the Aiphone BG-10C adapter is correctly installed and connected to the system.
If problems persist after attempting these steps, please contact Aiphone customer support or a qualified technician.
8. ספּעסאַפאַקיישאַנז
| באַשרייַבונג | דעטאַל |
|---|---|
| קוילעלדיק דימענשאַנז (H x W x D) | 8-1/8 x 7-1/2 x 2-3/16 אינטשעס (אומגעפער 20.6 x 19.1 x 5.6 ס״מ) |
| Communication Output (Reception) | 800mW ביי 20 אָומז |
| Communication Output (Transmission) | 500mW ביי 20 אָומז |
| Max. Distance (Door/Sub to Master, 22 AWG) | 650 ft. (approx. 198 meters) |
| Max. Distance (Door/Sub to Master, 18 AWG) | 1,600 ft. (approx. 488 meters) |
| Door Strike Connection | Aiphone RY-PA relay (sold separately) |
| מאַכט רעקווירעמענץ | Aiphone PS-1225UL 12V power supply (sold separately) |
| מאַונטינג טיפּ | ייבערפלאַך בארג |
| האָוסינג מאַטעריאַל | ווייַס פּלאַסטיק |
9. וואָראַנטי און שטיצן
For detailed warranty information, please refer to the documentation included with your purchase or visit the official Aiphone webזייטל. אייפאָון טרעפט די אינטערנאציאנאלע ארגאניזאציע פאר סטאַנדאַרדיזאַציע (ISO) סטאַנדאַרדן 9001 און 14001.
For technical support, troubleshooting assistance beyond this manual, or to inquire about replacement parts, please contact Aiphone customer service directly.





