NEC BE113830 HANDSET(NARROW)-Z (WH) UNIT Notebook charger It provides auto MDI/MDI-X on

It provides auto MDI/MDI-X on their TP ports and store-and-forward mechanism for eliminating faulty packets and used DIP switch to configure the available smart functions

have smaller

Ring Type and Volume Button

It has one 100~240V AC power supply unit and one additional DC 12~48V power supply unit for redundant power supply installation which can be perfectly applied as the telecom level device which requires constant stable operation at the harsh electronic room

And Drywall

NEC BE113830 HANDSET(NARROW)-Z (WH) UNIT Notebook charger It provides auto MDI/MDI-X onDT410 handset (WH) is the narrow band (300~3400Hz). NEW IN THE BOX