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     Mircom’s EC-300 system fulfils the demands of modern health care facilities. The simple operation of Mircom’s EC-300 makes it easy to use without the need for extensive training. A basic system consists of patient calling stations, emergency calling stations, a central nurse station, dome lights with possible central corridor horns and duty stations. Emergency calls are placed from designated EC103/115 Pull/Push Cord stations which are distinctly identified by the flashing suite dome light and central annunciator suite LED. The Central Nurse’s station will sound a fast pulsing alert tone and trigger any corridor horns that are connected.



• Multiple Audible/Visual Alarm States Three alarm conditions are available on the EC-300 system; fast, slow and steady. Each can be programmed for distinguishing calls for Emergency, Normal Patient calls or Door Alarm.

• Remote Duty Stations Remote Duty Stations may be added to the system to provide signal silence and remote alarm annunciation.

• Subsequent Alarm Using Mircom’s EC-103 Pull Cord Stations, it is possible to silence an alarm call and have subsequent alarms re-trigger the audible alarm.

• Dry Alarm Contracts Dry Contacts are available for central peripheral alarm devices.

• Remote Signalling and Control Outputs Connections can be made to the central control unit to remotely annunciate alarm calls and initiate signal silence.

• Modular Design Easily expandible, the EC-300 system uses add-on annunciator panels. The modular construction easily facilitates custom applications.


All tones may be silenced but the alarm can only be reset from the station that initiated the call. If the nurse fails to respond to the call within a preset period, the tones will re-initiate. Normal calls are placed from a Call Station which are distinctly identified by the slow flashing suite dome light and central annunciator LED. Similar silencing capabilities for emergency calls are provided for normal calls.  When duty stations are used, the system may be remotely silenced and monitored for alarm calls.

      The EC-300 System is the most economical, multi-state call system. The system incorporates LED annunciator panels, pull/push cord stations, corridor lights, and duty stations. All these components provide the common features and functions most nurses and administrators feel are necessary.


Single State Alarm

     The wiring diagram illustrates a typical single state alarm system. A call placed from an EC-100 Pull Cord Station will trigger an audible and visual alarm. Selecting the appropriate terminals on the EC-300 will provide fast or slow flashing alarm conditions. Resetting all alarm calls can only be accomplished at the point of activation. A momentary silence button is provided on the EC-300 to silence all audible devices.


Dual State Subsequent Alarm

     The wiring diagram illustrates a typical dual state alarm system with subsequent alarm capability. An alarm initiated from an EC-103 pull cord station designated as a ‘normal’ station shall pulse a slow audible and visual signal. An EC-103 Pull Cord station designated as an ‘emergency’ station shall pulse a fast audible and visual signal. Alarms silenced at the EC-300 shall be re-initiated upon receiving a subsequent call. Only the audible signals can be silenced. All visual indicators shall remain until the initiating pull cord station is reset. Further visual aids can be added to change all emergency calls to flash a red dome corridor lamp (see factory for details).
EC Components



Central Monitoring Panel

     The Central Monitoring Panel consists of an EC-300 Call Receiver module, EC220A/240A annunciator module(s) and a 300-nF frame housing. The EC-300 provides all the controls, audible and visual alarm signalling for the system. An audio amplifier provides all the audible tones through a built-in speaker and the exterior audio ports (S1. S2) A silence button on the EC-300 silences all incoming calls. A DIP switch can program the silence function to be latching or recall after a fixed period of time (2.5, 5 or 10 minutes). External ports are provided for remote monitoring, audible signals and common alarm annunciators. Typically only one EC-300 Call Receiver module is required per system. The EC-300 is designed to withstand transient or electrical noise. Dimension: 121 mm (w) x 300 mm (h)


Central Annunciator Panel

     Mircom’s EC system uses solid state red LEDs for zone annunciation. Two annunciator modules are provided for a 20 (EC-220A) and a 40 (EC-240A) zone capacity. These modules can be ganged together to provide any multiple of 20 zones. A protective strip of plexiglass covers the paper directory.  Dimension: 121 mm (w) x 300 mm (h)


Frames and Backboxes

     The Central Monitoring panel is made up of various modules which can be ganged together. The frames have an incremental size to accommodate the various modules. Made from brushed anodized aluminium, the 300-nF frames give a clean durable finish. All frames can be flush or surface mounted, dependant on the backbox used.




Backbox Flush

Wall Opening Dimensions

301-1F Accommodates one module 301-1B 335 mm (h) x 152 mm (w) x 108 mm (d)
301-2F Accommodates two modules 301-2B 335 mm (h) x 270 mm (w) x 108 mm (d)
301-3F Accommodates three modules 301-3B 335 mm (h) x 403 mm (w) x 108 mm (d)
301-4F Accommodates four modules 301-4B 335 mm (h) x 527 mm (w) x 108 mm (d)
301-5F Accommodates five modules 301-5B 335 mm (h) x 651 mm (w) x 108 mm (d)
301-6F Accommodates six modules 301-6B 335 mm (h) x 775 mm (w) x 108 mm (d)


Pull Cord Stations

     Mircom Pull Cord Stations are made from durable brushed stainless steel single gang plates. Each pull cord is 1.8 m in length with a white pendant at the end. All stations use UL approved 125 VAC, 3A slide switches. The standard single gang electrical boxes are not supplied with the units.

The EC-100 Pull Cord Station has a DPDT slide switch for basic alarm systems.
The EC-103 Pull Cord Station has a red LED indicator. A TPDT slide switch on the station provides subsequent and dual alarm state operation.

Cord Set Station

     Designed to utilize various cord sets for initiating a call, the EC-115 station can accommodate a 1/4” diameter cord set. A local reset button is provided on each station and a red confirmation LED. Removal of any cord set shall also trigger a call.








Mircom’s DA-100 Door Alarm Station provides

     peripheral exit security for any facility. Each station can monitor normally open (N.O.) or normally closed (N.C.) contacts. Ideal for nursing homes, the DA100 can interface with Mircom’s Emergency Call Systems. A Central Monitoring Panel consisting of the EC-300 Call Receiver Module, EC-220A or EC240 Annunciator Module.



  • Keys which are difficult to duplicate
  • Form C, 3 ampere relay
  • Single gang, stainless steel face plate
  • Yellow Status Indicator
  • Red Armed Indicator
  • Local audible and visual output provided (24VDC)


     Module shall provide audible and visual annunciation for a multitude of DA-100 stations. A 24 VDC output is provided on each station for local audible and/or visual indicators. A durable design, the DA-100 is made from stainless steel and uses solid state electronics.



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