Figure 1-1 System Configuration - NEC SL1100 Hardware Manual

Introduction
S 1 GENERAL INFORMATION
ECTION
The SL1100 system is designed to support small/medium businesses with simple installation and easy
operation. The small compact KSU comes with an installed CPU and eight digital and four analog
extension ports and has two stackable slots for further expansion.
Two more expansion KSUs provide a maximum of 36 analog trunks and 72 Multiline terminals. The
SL1100 is also equipped to support Digital Network (PRI, T1) and IP Trunks (SIP) or IP extensions.
Also, the SL1100 initially bundles Voice Mail and MEMDB.
R em ote P C
External Music Source
E xternal P aging S ystem
Hardware Manual
IP/VoIP
ISDN
PSTN
Audio Port
Extension Port
M ultiline Telephone (2-wire)
(E X M O H , B G M ..)
D S S C onsole
A nalog Telephone
FA X
D oorB ox
(General Purpose Relay)
D oor O pener

Figure 1-1 System Configuration

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