Hotline capable of abnormal signal detection and remote operation.

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Lukatel CML-200, Intercom CIT-200

last updated：Feb 26, 2026

ケイマックス

Immediate reporting through anomaly detection, immediate response through remote operation. A two-way hotline that strengthens BCP.

The hotline's I/O (Input/Output) connection is a function that collaborates with external devices to achieve "Input = abnormal detection and automatic reporting" and "Output = remote control." When it receives contact signals from fire alarms, equipment alarms, payment machines, security sensors, etc., it automatically dials the designated destination and notifies the situation via voice. The receiving side can perform primary responses such as unlocking gates, opening and closing automatic doors, resetting equipment, and activating sirens and patrol lights through DTMF operations while on the call. Additionally, if added as a backup route for existing reporting equipment, it enhances the reporting success rate even during line failures or unmanned nighttime hours, contributing to BCP (Business Continuity Planning) strengthening.

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basic information

I/O Specifications Input: When the hotline terminal receives a signal from an external device, it automatically dials the configured phone number. When the receiving end is in a call state, a voice guidance message stating "Emergency signal 1/2 detected" will play. Example: Fire alarm, coin parking payment machine, etc. Output: When the hotline terminal and the receiving end are in a call state, pressing the "numeric keypad" at the receiving end will allow the terminal to detect the DTMF tone and send a signal to the connected external device. Example: Opening the gate of a coin parking lot, automatic door operation, etc. Points to consider during installation (technical notes) - Insulation design: As stated in the specifications, the use of optocouplers provides insulation, making it a safe design that minimizes the influence of noise from the control panel (external device) on the hotline terminal. - Contact method: The input supports "no-voltage contacts" and operates simply by closing (shorting) the switch, allowing many general-purpose sensors to be connected. - Relay capacity: The output circuit is designed to drive the relay on the control panel side, so if you need to directly operate devices that draw large currents (such as large motors), an intermediary device like a magnetic switch is required.

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Applications/Examples of results

Usage scenarios and examples of connected devices for input functions (signal acquisition): - Abnormal monitoring of facilities and equipment - Fire alarms and smoke detectors - Elevator malfunction detection - Leakage and power outage detection in cubicles (power receiving equipment) - Security and services in stores and public spaces - Emergency call buttons in restrooms - Troubles with payment machines in coin parking - Factories and production lines - Line stoppage and error signals Usage scenarios and examples of connected devices for output functions (operation of external devices): - Remote unlocking of gates and entrances - Gates of coin parking - Automatic doors of unmanned stores and bicycle parking - Resetting and rebooting of equipment - Power reboot of system devices - Activation of alarm and notification devices - Warning sirens and patrol lights

Detailed information

- Connector Connection Specification Table It shows the connection specifications for all 10 pins, including signal names for OUT1 and OUT2 (outputs, connected to relays RL1/RL2) and IN1 and IN2 (inputs, connected to switches SW1/SW2), as well as the input/output classification and the destination devices on the control panel side. Pins 5 and 8 are unassigned. - Explanation of Circuit Configuration 1. Output Circuit (OUT1, OUT2): - Electrical isolation between the main board and the control panel side is achieved using phototransistors U8 and U9. - It drives the relays on the control panel side (RL1, RL2). 2. Input Circuit (IN1, IN2): - Phototransistors U10 and U11 (LED input side) are used. - Pressing the switches (SW1, SW2) on the control panel connects the circuit to GND, transmitting the signal to the main board. - A protection resistor of \$1.2k\Omega\$ (R36, R37) is inserted on the board side to limit the current.
Case B: Unmanned Warehouse/Office at Night 1. [Input] "Magnet switches" installed on windows and doors detect intrusion. 2. [Transmission] Automatic call to the administrator's smartphone. Voice guidance announces, "Emergency signal 1 detected." 3. [Output] When the administrator presses the "numeric keypad" on the smartphone, all site lights turn on and the siren sounds.
Case A: Troubleshooting in an Unmanned Parking Lot 1. [Input] The user presses the "Call Button" on the payment machine (or the payment machine detects a jam). 2. [Outbound] The hotline terminal automatically dials the call center. 3. [Call] The call center representative checks the situation (e.g., "The parking ticket is jammed and cannot be retrieved"). 4. [Output] When the representative presses the "numeric keypad" on the phone, the gate motor activates, and the gate opens.
- Use cases for input functionality (signal acquisition) Examples of connected devices: Receiving contact signals (switch ON) from external devices and automatically dialing and notifying pre-set contacts. - Abnormal monitoring of facilities and equipment - Fire alarms and smoke detectors: Automatically reporting to the management center or the owner's mobile phone immediately upon fire occurrence. - Elevator malfunction detection: Notifying the maintenance company with a voice alert "Emergency signal detected" during entrapment or malfunction. - Leakage and power outage detection in cubicles (power receiving equipment): Directly notifying the electrical chief engineer of abnormalities in electrical equipment. - Security and services for stores and public spaces - Emergency call button in restrooms: Notifying the office or security personnel in case of a fall or emergency. - Coin parking payment machine troubles: Detecting issues such as out of receipts, paper jams, or unauthorized machine releases and notifying the call center. - Factories and production lines - Line stop and error signals: Automatically notifying managers in remote locations during abnormal stops in the production line.
- Usage scenarios for output functions (operation of external devices) Examples of connected devices: During a call, the receiving party (smartphone or landline) can remotely operate on-site equipment by pressing "1#" or "2#". - Remote unlocking of gates and entrances - Coin parking gate: In case of user trouble, after confirming the situation at the call center, the operator can press "keypad" on the phone to forcibly open the gate. - Automatic doors of unmanned stores and bicycle parking: Verification of identity and situation is conducted during the call, allowing the door to be opened remotely. - Resetting and rebooting equipment - Power reboot of system devices: When network devices in a remote location freeze, a reboot signal can be sent over the phone to restore functionality. - Activation of alarms and notification devices - Warning sirens and patrol lights: When a suspicious person is identified, the operator can activate the on-site siren or turn on the red light using the phone.

Line up（4）

Model number	overview
Lukatel CML-200	A hotline terminal that can make calls simply by picking up the receiver. With I/O connections, it automatically reports abnormal signals detected from fire alarms and equipment alarms, allowing the receiving side to perform initial responses such as unlocking gates or resetting devices through DTMF operations while on the call. It is ideal for strengthening BCP during unmanned hours.
Intercom CIT-200	On-site intercom-type hotline. In addition to calling and communication, it supports automatic reporting during abnormal detection via I/O connection and remote operation using DTMF during calls. It integrates "detection → reporting → on-site operation" for unmanned facilities, factory lines, parking lots, etc., enhancing the immediacy of response.
Intercom Slim CIT-25S	A slim intercom designed for space-saving installation. It fits easily around narrow column surfaces and equipment panels, allowing for simple operation of calls and conversations on-site. With I/O integration, it enables automatic reporting of abnormal signals and remote responses such as gate unlocking and lighting activation through DTMF operations on the receiving side.
Emergency Phone CET-903	An emergency phone with a three-button design specifically for urgent contact. It reduces the chances of pressing the wrong button and is designed for intuitive reporting by anyone, making it suitable for disaster prevention, crime prevention, and emergency response in facilities. It also supports automatic reporting of abnormal detection through I/O integration and remote operation (alarm and equipment control) via DTMF operations on the receiving side.