Section 4 Installing The Cpu Board And Other Option Board; Mount The Cpu Board; Mounting The Expansion Boards (082U/008U) - NEC SL2100 Getting Started Manual

Section 4 Installing the CPU board and other option board

Each 4KSU-C1 has four universal slots for the station, trunk and optional boards excluding
the CPU/EXIFE slot.

4.1 Mount the CPU board

1) Insert the Lithium Battery (CR2032) into the battery socket.
!! Ensure the Chassis are power off and unplug the AC
!! Not all boards are hot swappable. Do not remove or install from the chassis when powering
up.
2) Insert a CPU-C1 board in the guide rail of chassis and push it securely into position and
tighten the two screws on the board

4.2 Mounting the Expansion boards (082U/008U)

Each 4KSU-C1 has four universal slots for the station, trunk and optional boards. However the
Slot 4,8,12 does NOT support any type of Multiline Terminals. Analog extensions (and any
type of Trunks) will work. The Slot Numbers (Slot No.1 to No.12) are fixed for each Chassis,
refer to the following illustration.
SL2100 GETTING STARTED GUIDE
cord.
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