Pub. 42004-338K
G A I - T R O N I C S
®
A H U B B E L L C O M P A N Y
Rugged Analog Auto-Dial Telephones
T A B L E O F C O N T E N T S
GAI-TRONICS 3030 KUTZTOWN RD. READING, PA 19605 USA
610-777-1374 ◼ 800-492-1212 ◼ Fax: 610-796-5954
VISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
Confidentiality Notice .....................................................................................................................1
General Information .......................................................................................................................1
Operation .........................................................................................................................................1
Installation ......................................................................................................................................2
Safety Guidelines ..................................................................................................................................... 2
Security Hardware .................................................................................................................................. 2
Conduit Installation Details ................................................................................................................... 2
Model 227-001 ......................................................................................................................................... 4
Model 247-001 ......................................................................................................................................... 6
Model 257-001 ......................................................................................................................................... 8
Model 277-001 ....................................................................................................................................... 10
Flush-Mount Installation ..................................................................................................................... 10
Surface-Mount Installation using a 236-00x Series or Model 238-001 Enclosure ............................. 11
Models 277-002BH and 277-002BHAC ............................................................................................... 12
Flush-Mount Installation ..................................................................................................................... 12
Surface-Mount Installation using the No. 238-003 Enclosure ............................................................ 13
Programming Auto-Dial Numbers ...................................................................................................... 14
Ringdown Operation ............................................................................................................................ 14
Maintenance ..................................................................................................................................15
Service .................................................................................................................................................... 15
Preventive Maintenance for Models 277-001/-002BH/-002BHAC ................................................... 15
Cleaning .............................................................................................................................................. 15
Prevention ........................................................................................................................................... 15
Volume Control Jumper Setting .......................................................................................................... 16
Auxiliary Output ................................................................................................................................... 16
Replacement Parts and Accessories .............................................................................................17
Specifications ................................................................................................................................18
Electrical (Typical) ................................................................................................................................ 18
Environmental ....................................................................................................................................... 18
Mechanical ............................................................................................................................................. 19
Approvals .......................................................................................................................................20
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