System Overview - NEC SL2100 Quick Install Manual

NEC SL2100 Communication System

System Overview

SL2100 chassis showing the CPU card and an interface card with analogue trunks.
SL2100 CPU card
The slots are labelled S0~S4 on the front of the chassis.
Slot S0 has the CPU card installed, slots S1~S4 are universal slots for any interface card.
Note – Slot 4 does not support digital extensions, an IP7WW-082U-B1, IP7WW-308U-A1 or IP7WW-008U-C1
card can be installed but will only support analogue extensions, any trunk daughter card is supported in slot 4.
SL2100 Capacity
Item
TDM Trunks
Analogue
ISDN BRI
ISDN PRI
SL2100 Trunk capacity for a single chassis
Quick Install Guide – SL2100 with Analogue Trunks rev 1.1
3 x Analogue
Trunks
Extension
Interface card
Maximum capacity
in a single chassis
42
12
16
30
There is a trade-off between each trunk type, see below
6