8-contact notification device for general telephone lines WhiteLock21A20 WL21A20-WL21A20
8-contact notification device for general telephone lines WhiteLock21A20 WL21A20-Adcon Co., Ltd.

8-contact notification device for general telephone lines WhiteLock21A20 WL21A20
Adcon Co., Ltd.


About This Product

WhiteLock21A20 is a monitoring device that connects to a regular telephone line. ■General telephone lines that can be used You can use the TA analog port for NTT specification analog 2-wire push or dial lines (20PPS), PBX (2-wire outside line), and ISDN lines. We cannot guarantee operation via routers such as modems or terminal adapters. ADSL line service will end in January 2023 ■About use on extension lines When using an extension, please check that all of the conditions below are met. ・When you pick up the handset, you can hear DT (dial tone) 400Hz continuous or PDT (extension dial tone) 400Hz 0.25 seconds ON and 0.25 seconds OFF. ・When the other party is busy, you can hear BT (busy tone) 400Hz 0.5 seconds ON and 0.5 seconds OFF. ・When calling the other party, you can hear RBT (Ring tone (jiggly sound)) 400Hz 1 second ON and 2 seconds OFF. ・When the other party disconnects the call, you can hear BT (busy tone) 400Hz 0.5 seconds ON and 0.5 seconds OFF. ・Some PBXs may only play the busy tone four times after disconnecting the call. please note. ■Unusable telephone line It cannot be used on business phone lines or home telephone lines. If you connect the WL21A20 to these lines and perform reporting operations, the WL21A20 will malfunction. ■How to check the line You can connect an NTT telephone (available at home electronics retailers, home centers, etc.) to an extension line, and then connect the WL21A20 if the line allows calls to an outside line. If you cannot make outside calls, use the business phone line or home phone line. ■If there is no telephone line nearby Using the remote control 8N (signal transmission device), it is possible to wirelessly transmit alarm contact signals to a remote telephone line. ■Product contents ・WL21A20 main unit 1 unit ・USB cable 1 piece ・AC adapter 1 piece ・Modular cable 1 piece ・Battery (built-in to the main unit) 1 piece ・Terminal block (already attached to the main unit) 1 piece ・1 piece of warranty

  • Product

    8-contact notification device for general telephone lines WhiteLock21A20 WL21A20

Share this product


30+ people viewing

Last viewed: 19 hours ago


Free
Since our quotes are free, feel free to use our service.

No Phone Number Required
You won’t have to worry about receiving unnecessary calls.

1 Models of 8-contact notification device for general telephone lines WhiteLock21A20 WL21A20

Product Image Part Number Price (excluding tax) AC adapter (V) Applicable line Audio memory backup Audio recording method Audio recording time (seconds) Automatic call Built-in battery (mAh) Busy detection function Calling phone number setting Correspondence method Current consumption of main body DC jack part (mA) Dimensions W×H×D (mm) Email sending External interface Line connection method Number of signal input points Operating humidity range (%) Operating temperature range (℃) Operation settings Power outage recovery detection function Recording and playback method Reporting during power outage SMS mail sending Selected signal type Surrounding environment Weight (g)
8-contact notification device for general telephone lines WhiteLock21A20 WL21A20-Part Number-WL21A20

WL21A20

Available upon quote DC12 1A output Not covered by warranty if the included AC adapter is not used. NTT specification analog telephone line (2-wire type) Not required (flash memory) Direct recording method without compression Equipped with 12 channels, 1 channel 12.5, total 150 Input change detection time setting available 006P DC9V 250 Ni-MH rechargeable battery Yes (redial when busy or communication cannot be established) Up to 6 locations Voice and DTMF call system emergency notification device Standby 42 (max. 73) Do not use direct DC power input 180.4×100×30 Possible (using email sending system) Cannot connect to USB2.0 USB hub Communication connector (modular jack) 8 points (voltage-free contact or open collector) 15~80 (no condensation) 0~40 Transferring settings using dedicated computer software Built-in power failure detection function inside the main unit Equipped with microphone and speaker (record/stop/play button operation) About 1 hour with built-in battery Maximum of 6 locations Report destinations must be mobile terminals that can receive SMS with a Docomo line contract Bush button (PB) or dial valve (DP:20PPS) Please protect the product with a cover, etc. when using it in a place that is free of corrosive gas and has heavy dirt such as dust. Weight Approximately 287 Weight including terminal block and battery

Customers who viewed this product also viewed

Other products of Adcon Co., Ltd.


View more products of Adcon Co., Ltd.

About Company Handling This Product

This is the version of our website addressed to speakers of English in the United States. If you are a resident of another country, please select the appropriate version of Metoree for your country in the drop-down menu.

Copyright © 2024 Metoree