Linksys SPA9000 Administration Guide

Linksys Voice System Administration Guide 19
Deployment Scenarios
Getting Started
ITSP Service, PSTN and ISDN Access and Local Voice Mail
In this scenario, the customer takes full advantage of the LVS solution, with the SPA9000 IP PBX,
VoIP service, one SPA400 unit for voice mail service, another SPA400 for PSTN access with four
FXO ports, one ISDN Gateway for ISDN BRI access with four BRI ports, and up to 16 SPA9xx IP
phones. Optionally, analog phones or fax machines (not illustrated) can be connected to the
two phone ports on the SPA9000.
SPA9xx IP Phones
SLM224P Switch SPA9000 IP PBX
WRV200 Router
Internet
Integrated
Access Device
Analog
Phone Lines
SPA400
for Voice Mail
SPA400
for PSTN Access
Mediatrix® 4402
BRI Gateway
ISDN
Phone Lines

Linksys SPA9000 Specifications

Physical Interfaces

Ethernet ports	2 10/100BaseT RJ-45
Phone ports	2 RJ-11 FXS
Ring voltage	40-55 VRMS
Ring frequency	10 Hz - 40 Hz
Maximum ringer load	3 REN

Power

On-hook voltage	-50 V NOMINAL
Off-hook current	25 mA min
Terminating impedance	Configurable, including 600 ohms