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The Optimus E1K-B 4G Intercom is a stylish all-black access control solution designed for automated gates, barriers and door entry applications. Combining a durable surface-mounted design with an illuminated vandal-resistant keypad and single call button, the E1K-B provides secure visitor communication and convenient remote access management. With 4G connectivity, smartphone-based programming, call forwarding, PIN code entry and authorised dial-to-open functionality, it delivers a reliable and easy-to-manage entry system for residential, commercial and industrial installations.
Features
- Reliable Call Routing: Divert each call through up to 3 landline or mobile numbers. Residents can grant access from anywhere by simply pressing the # key on their phone.
- Flexible Access Control: Built-in keypad and dial-to-open functionality support up to 100 entry codes and 100 authorised numbers; ideal for managing both regular and restricted access.
- Activity Logs: Download the last 10,000 events to monitor who entered, when and how. A clear audit trail for peace of mind*.
- Quick Installation: Minimal cabling required. Just plug in the power supply, connect relays, put in a SIM card and register to the mobile network.
- Programmable Time Profiles: Integrated time clock allows for three customisable schedules, perfect for timed access, trade hours or restricted entry.
*Via Cirrus platform or support team. Charges may apply.
| E1K-B Features | |
|---|---|
| Connectivity | 4G |
| No. of users / call buttons | 1 |
| No. of call diverts | 3 |
| Backlit, Vandal-resistant keypad | Yes |
| OLED Display with scrolling navigation | No |
| No. of entry codes | 100 |
| No. of Dial to Open numbers | 100 |
| Auxiliary-triggered SMS alerts | Yes |
| Recurring SMS Alerts | Yes |
| Time clock with 3 profiles | Yes |
| LED downlight | Yes |
| Trade Button | Yes |
| Downloadable Activity Logs* | Yes |
| 2 Year Return-to-manufacturer warranty | Yes |
*Activity logs can be downloaded via Cirrus programming software or upon request from the programming team. Charges may apply.
Kit Contents
- Optimus E1K-B 4G LTE Intercom
- 12 Volt 1 Amp DC PSU
- USB cable for local programming
- Stainless steel security screws
- User manual
Manuals & Datasheet
Technical Specifications
| Construction | |
|---|---|
| Faceplate | 316 marine grade stainless steel faceplate, black powder coated (RAL9005) & Stainless steel security screws |
| Housing | High strength, low-profile, black alloy cast back box |
| Mounting | Surface mounted |
| Physical | |
| LED Downlight | Adjustable brightness: 1 - 9 levels. Connected to keypad brightness |
| Power & Electrical | |
| Power Supply | 12V 1A DC PSU fitted with a 3A fuse. (supplied, dedicated to the Commtel Optimus product) |
| Power Consumption | 120mA idle @ 12V |
| Relays | 3: 1 x 2A, 2 x 200mA |
| Relay Activation Time | 1 - 240 seconds, adjustable remotely |
| Auxiliary Inputs | 2 x Volt free auxiliary inputs The auxiliary input is for volt free exit release type buttons only. Damage will result if feeding voltage or any other item that is not a volt free contact. |
| Audio | |
| Telephone Type | Standard DTMF (Dual Tone Multi Frequency) |
| Volume | Adjustable 1 - 9 levels |
| Keypad | |
| Backlighting | Adjustable brightness: 1 - 9 levels. 7 programmable colours |
| Timed Trade Button | Can be programmed using the on-board time clock |
| Programming | |
| Programming Methods | Remotely programmable via CONFIG app, Cirrus portal & SMS |
| Operating Commands | All relay commands are configurable via the dedicated programming App (4G only), remotely, or locally via software, with the ability to Pulse, Latch, Unlatch and Toggle. |
| Time & Alerting | |
| Time Clock | The on-board time clock enables custom profile functions to be activated. Functions include but are not limited to trade button, auxiliary input (via relay), tied latch, call diverts, entry codes, event alerts, service reminders, and more. |
| Event Alerts | Receive an SMS notification when a specific event takes place, such as when a particular code is entered or a designated relay is activated. |
| Recurring Alerts | Schedule automatic SMS messages to be sent to up to 10 numbers on a chosen date and time, perfect for service reminders, PAYG SIM balance alerts, or regular maintenance prompts. |
| Auxiliary Alerts | Receive an SMS notification whenever the AUX input is triggered, ideal for monitoring events like door contacts, loop detectors or other connected devices. |
| Capacity | |
| Authorised Dial-to-open | Calling the unit, from an authorised telephone number, activates a predetermined relay. E1, E1K, E2K, E3K, E10K - up to 100 numbers E100K - up to 200 numbers E500K - up to 500 numbers |
| Entry Codes | Entering a pre-programmed code activates the specified relay. E1, E1K, E2K, E3K, E10K - up to 100 numbers E100K - up to 200 numbers E500K - up to 500 numbers |
| SMS Commands (Text to Open) | Control your entry equipment remotely via text - program up to 7 SMS commands to open, latch, unlatch or toggle the relays as needed. via the app/SMS. These replies may incur charges and can be switched off by contacting your installer or the technical support team. |
| Hubs Kits | |
| Connection | Maximum 2 x door stations per hub. Use 8 Core cable: Twisted pair Mic | Twisted pair Speaker | Twisted pair CAN | Twisted pair Power 300m per cable run (max). |
| Programming | When using a Hub Kit, the call points on each connected door station are mirrored - meaning button 1 on one unit will call the same number as button 1 on the other, and so on. independently and follow their own programming. |
| Connectivity | |
| Network Capability | 4G - VoLTE, backwards compatible with 2G and 3G |
| SIM Card | Micro SIM Card* (Commtel SIM provided upon request and is subject to activation order). |
| Antenna | 1 x 4G PUK antenna with 2m lead and 90° MMCX connection. (1m lead available upon request. Longer leads are available at additional cost and longer lead time). |
| Regulatory & Support | |
| Warranty | Two-year return to manufacturer warranty via distributor. |
*Micro SIM Card. (Commtel SIM provided upon request and is subject to activation order).