Download : Operating instructions, user manual, owner's manual, installation manual, workshop manual, repair manual, service manual, illustrated parts list, Find many great new & used options and get the best deals for Nortel GS-5140N GS5140N Single Line Telephone at the best online prices at eBay!MX Lg Gs 5140N Manual - Sharp Get support for Sharp MX-5140N Our system has returned the following pages from the Sharp MX-5140N data we have on LG-Nortel SINGLE LINE TELEPHONE LKA-200 Manual Online: programming procedure, Hardware Requirements. Follows These Instructions To Program The Ringer Melody Download : Operating instructions, user manual, owner's manual, installation manual, workshop manual, repair manual, service manual, illustrated parts list, View and Download LG GS-5140 instruction manual online.