NEC 8 Port Digital Station Piggy-Back Unit
- (Model# ESIE(8)-U10 Stock# 750209)
- Performs the same function as ESIB(8)-U10. The ESIE(8)-U10 8 Port Digital Station Piggy-Back Unit is a piggy-back module on ESIB(8)-U10 and can connect digital multi-line terminal from front RJ61 connectors.
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