Home / Shop / Browse By Category / Telephone Systems / KSUs / ESF-XE-10 Expansion KSU for Professional Level IIA View cart “NEC Aspire S 0x8x2 KSU w/Power Supply 0890005” has been added to your cart. ESF-XE-10 Expansion KSU for Professional Level IIA$0.00 ESF-XE-10 Expansion KSU for Professional Level IIA quantity Add to cart SKU: 720105 Categories: All NEC Products, Browse By Category, Browse By Manufacturer, Electra Pro II, KSUs, NEC, Telephone Systems Tags: expansion KSU, Key Service Unit, KSU Description Description ESF-XE-10 Expansion KSU for Professional Level IIA Related products Browse By Manufacturer , NEC NEC Aspire 0891027 2PGDAD Door Box Adapter Browse By Manufacturer , NEC NEC Aspire 0890049 34 Button Super Display Telephone Black Browse By Manufacturer , NEC Nitsuko-TIE UltraCom 10841 DSS Console 64-Station Browse By Manufacturer , NEC NEC Aspire Power Supply Stock 0891000