NEC Electra Elite MDM-U10 Unit Phone System VM Remote Maintenance Modem Board

NEC Elite IPK 750464 MOD U10 Remote Modem Expansion Daughter Card

NEC Electra Elite 48/192 MIFM-U10 ETU Multiple Interface Unit Card

NEC Electra Elite IPK ESIB(8)-U10 w/ ESIE(8)-U10 ETU Combo Card (750207, 750209)

NEC Electra Elite IPK 750235 PVA(X)-U10 Packet Voice Application Card

NEC Electra Elite IPK 8-Port Dig Station card ESIB(8)-U10 ETU (750207)

NEC Electra Elite MIFM-U10 ETU Interface Unit for Multifunction & Modem

NEC Electra Elite 48/192 MIFM-U10 ETU Multiple Interface Unit Card