Description
NEC SLI(4)-U10 ETU Board / Card Single Line Interface Card
- (Model# SLI(4)-U10 Stock# 750215)
- This Single Line Telephone ETU supports 4 Single Line Telephones and/or analog voice mail ports. This ETU provides Ringing Signal Generator (RSG), and Message Waiting (MW) LED voltage to Single Line Telephones.
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