Access device CL-20se
The access device CL-20se is an electronic module for controlling the door lock, which is used either with serial electronic keys DS1990A by Dallas Semiconductors Company or with Keypad - DS.
The CL-20 device has static electricity protection of inputs. The locks with normally closed and normally open contacts and transmitter RT4-5se v.2.0 can be used. After the touch of the key or entering code from keypad, the lock opens in a period of 5 sec. Registration of serial keys and users' access codes (memory cleaning, adding of serial key/code to existing list of users) is made by using "master"-key or "master" code respectively. Maximal length of user list is 20.