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User r Guide Ve rsion 1.2.7 The CommBat p rovides talk battery for u use on coppe er wire pairs. . Headsets or bu utt sets are u used at each end to comp plete the talk k circuit. The CommBat ap pplies up to 30VDC to th he pair while e limiting the e maximum curre ent to 10mA. . The design prevents exc cessive curre ent on short loops and auto matically ap pplies additio onal voltage t to maintain adequate cu urrent for long er loops. ...
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WARRANTY The CommBat is warranted against defects in materials and workmanship for a period of one year from the date of purchase. Contact your local sales representative or the manufacturer for a Return Authorization (RA) number and instructions on returning the product for service. Products cannot be processed unless accompanied by an RA number.