Chapter 1 Introduction; Section 1 General Information; Figure 1-1 System Configuration - NEC SL1000 Hardware Manual

Introduction
S 1 GENERAL INFORMATION
ECTION
Designed to support small/medium businesses with simple installation and easy operation.
Small compact KSU comes with basic configuration of CPU, four analog trunk ports and eight hybrid
extension ports and has three stackable slots for further expansion.
The system can be increased to a maximum of 48 analog trunks and 96 Multiline extensions by
adding up three more expansion KSUs, also equipped to support Digital Network (BRI/PRI, E1), IP
Trunks (SIP/H.323) and IP extensions.
IP/VoIP
R em ote P C
External Music Source
(E X M O H , B G M ..)
E xternal P aging S ystem
D oor O pener
Hardware Manual
ISDN
PSTN
Analog Trunk Port
Hybrid Port
M ultiline Telephone (4-wire)
D S S C onsole
A nalog Telephone
FA X
D oorB ox
Relay Control Port
(General Purpose Relay)

Figure 1-1 System Configuration

K S U 3
K S U 2
K S U 1
Expanded
Embedded VRS/VM
B ackup B attery
M ultiline IP Telephone
Office LAN/CTI
P C
P C P ro/ W eb P ro
C T I S erver
K S U 4
1-1
1