Home / Shop / Browse By Category / Telephone Systems / KSUs / ESF-XE-10 Expansion KSU for Professional Level IIA View cart “NEC Aspire 8COIU-LS1 8 CO LS Trunk Card” 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 Nitsuko-TIE UltraCom 10841 DSS Console 64-Station Browse By Manufacturer , NEC NEC Aspire S 4 Port Trunk Card 0895046 Browse By Manufacturer , NEC Nitsuko-TIE 10816 UAT 16 16 Button Standard Phone Browse By Manufacturer , NEC NEC Aspire 8ESIU-PR2 8 Station Digital Station Card Circuit Card