ELECTRIC CODE LOCK SET FOR TELECOMMUNICATION CABINET

摘要

AN ELECTRIC CODE LOCK SET MOUNTED IN A TELECOMMUNICATION CABINET INCLUDES A CODE-STORING DEVICE (22) FOR STORING THEREIN A PRESET CODE, AN ELECTRIC LOCK (37) ENERGIZED BY AN ELECTRIC LOCK POWER SOURCE SELECTED FROM ONE OF A PORTABLE LOCKING DEVCE POWER SOURCE (34) AND AN ELECTRIC POWER SOURCE FROM A MONITORING CENTER IF TO BE UNLOCKIED, A CODE-IDENTIFYING CONTROL DEVICE (6) ELECTRICALLY CONNECTED TO THE CODE-STORING DEVICE (22) FOR IDENTIFYING WHETHER THERE IS AN INPUT CODE IDENTICAL TO THE PRESET CODE AND FOR GENERATING AN UNLOCKING SIGNAL IF SAID CODES ARE IDENTICAL, AND AN ELECTRIC LOCK CIRCUIT (23) ELECTRICALLY CONNECTED TO THE CODE-IDENTIFYING CONTROL DEVICE (6) FOR UNLOCKING THE ELECTRIC LOCK (37) AFTER THE ELECTRIC LOCK CIRCUIT (23) RECEIVES THE UNLOCKING SIGNAL. SUCH ELECTRIC CODELOCK SET CAN BE PROVIDED WITH A NON-FIXED/PORTABLE POWER SUPPLY/UNLOCKING DEVICE IN ORDER TO BE WELL-MONITORED/WELL-PROTECTED/CONVENIENTLY MANAGED/HIGHLY SECURABLE.