NEC SL1100 KSU Equipment

• Part #: SL-1100010
• Model: IP4NA-1228M-B KSU

The SL1100 Key Service Unit (KSU) is powerfully designed and well-equipped to handle 8 digital stations right out of the box, while also capable of expansion.

• Part #: SL-1100011
• Model: IP4NA-1228ME-B EXP

Does your business phone system need to expand? This expansion KSU will allow for seamless growth as you add more phones and phone lines.

• Part #: SL-1100114
• Model: IP4WW-BATTERY BOX

Battery back-up is essential for anyone who can’t afford to lose their office phone system during a power outage. This battery box can be mounted on the wall or the floor.

• Part #: SL-1100110
• Model: IP4NA-EXIFB-C1

If you need to expand your digital business phone system, this card will allow your main KSU to integrate with up to two other expansion KSUs.