Linksys SPA9000 Administration Guide

Linksys Voice System Administration Guide 22
Upgrading Firmware for the SPA9000
Basic Administration of the SPA9000
f. On the Technical Support page, click the link in the Downloads section.
g. On the SPA9000 Downloads page, choose the version from the Please select a version
drop-down list.
h. In the Firmware section, click the link for the version that you want to install, and then
save the file on the administration computer.
2. Extract the Zip file, and then run the executable file to upgrade the firmware. When the
Firmware Upgrade Warning window appears, click Continue.
3. In the next window that appears, enter the IP address of the SPA9000, and then click OK.

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