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The two contacts are separated by a polypropylene grommet. By touching the iButton to the reader, communication from the iButton to the reader occurs using a 1-Wire® protocol.
By providing iButton keyfobs in addition to access codes, managers achieve a higher level of security by preventing unauthorized entrance. An access control administrator can choose to require a pin code, an iButton or both a pin code and iButton to gain authorized entry.
Because iButtons can be easily and quickly added or deleted, security can be enhanced while also cutting down on the labor time and cost that rekeying the door would involve.
For enterprise-wide systems, an iButton credential can be enrolled and or disallowed in as many locations as are required without concerns about facility code, or enrollment code conflicts.
Finally, there was an existing door position sensor on the door which we wished to re-use for the new system, so again we needed to isolate the pair for that device and confirm it operated properly, and that the twisted pair cable was intact and free of shorts.
The client requested that the #505 power supply upstairs in the closet be hardwired, so we rigged up a temporary line cord so we could get the system up and running.
I told the client to instruct the electrician to identify the location and identity of the circuit breaker which was powering the #505 by clearly marking it on the junction box to which the #505 was to be connected. I also instructed that the feed to the #505 be on a switch to be located in the same junction box. I also asked that the line cord be returned to me when the electrician had completed his work.
Powering up the system went flawlessly. With power applied, the TR-81 blinked when the exit bar was pressed, indicating that it was releasing the trim lever. Programming was handled by the client.
The other lock work was completed easily within the time frame. The client had us install the CM 5100 on a door the first day they moved into the space. Then after they had time to make up their minds about how we were going to proceed with the employee entrance and we completed that project; we removed the CM 5100 again and reinstalled it again. The CM lock only requires a three-hole prep in addition to the usual face and cylinder bore, and we installed one of the Orbit passages and cleanly patched the holes in the door sing the CM, with a Don-Jo Stainless reinforcing wrap-around.
For more information, contact your local locksmith distributor or the following manufacturers mentioned in this article.
Locknetics, an IR company, Phone 866-322-1237, web site www.locknetics.com
Schlage, also an IR company, Phone 800-847-1864. Web site: www.schlage.com
Adams Rite, Phone 800-872-3267. Web site: www.adamsrite.com
Jackson Corp., Phone 877-394-8338. Web site, www.jacksonexit.com
Don-Jo Manufacturing, Telephone 800-628-8389, Web site www.don-jo.com
As a company grows, the Schlage CM locks and LockLink Express software meet its needs.
The most challenging part of designing and selling access controls systems is custom fitting systems to each client’s precise requirements.