The JE81CL Time Clock is designed to ring the class change
bells within a school. This can be separate bells or connected
to an existing Fire Alarm system. The JE81CL is a 7-9 day clock
which is very flexible and easy to use. Purchase Details

The JE81CL is based on the latest microprocessor technology,
providing a compact, reliable and very functional clock at an
affordable price. A 2 line by 16 character L.C.D. display with
L.E.D. back-lighting provides high contrast text menus for easy programming.
The bottom line of the display in most cases helps the user by showing
which keys apply.

Reliability
All Jenkinson Electronics Time Clocks undergo a 48 hour burn-in and calibration cycle, this ensures high
accuracy with minimal faults. Simplistic design combined with modern microelectronics has made the
JE81CL very reliable, as such Jenkinson Electronics offers a 3 year return to base warranty on all JE81CL’s
sold.**

Functionality
The JE81CL time clock has 8 program banks, these banks allow the user to pre-program the clock for special
events e.g.

• Bank 1: Can be a normal day.
• Bank 2: Wet day
• Bank 3: Exams, etc

The name of each bank can also be changed to reflect the times stored in it.

5 Day, 6 Day or 7 Day timetables.

Security code access can be enabled to protect the time clock from tampering students or other teachers.

There is also a Lockdown / Evacuation mode that rings the bells indefinitely until canceled by security
code input.

A 3 volt lithium battery backs up stored times while maintaining the current time in case of a mains failure.

The JE81CL has been designed to be wall mounted with all cabling entering the unit from within the wall
cavity. Can be installed by your local Electrician or Fire alarm specialist.

PC based software for easy editing of timetables and settings. Requires windows 98 or higher operating
system with one free serial port (9 pin).

Performance
+ or -1 Minute per Year 0C to +40C
+ or – 4 Minutes per Year -40C to +85C

Features

• Unlimited memory for stored times.
• 15 year battery backup
• 12 and 24 hour clock formats.
• Daylight Savings mode.
• Security access code, 4-10 digit.
• 2 Adjustable ring types.
• 5, 6, or 7 day timetables.
• Lockdown Mode.

Output

SPDT Relay contacts NC & NO, 10A Resistive, 4A Inductive

AC Power

176mm (L) x 92mm (W) x 65mm

Customising of the time clock with the name of your school adds that final touch.
**Conditions exist see the users manual

For further details and specifications please download these pdf files: Download JE81CL Time clock brochure 1.1MB Download JE81CL Time clock manual 1.3MB Download Quick Reference Guide 133KB Download JE81CL PC Interface V2.1 Extract ZIP file Double click index.htm