Chapter G: ShoreGear Switches IPBX-24 Voice Switch
ShoreTel 8 Planning and Installation Guide 353
G.15 IPBX-24 Voice Switch
The IPBX-24 (Figure G-15) supports 24 analog ports in a combination of no more then 8
standard trunk ports and 16 analog telephone ports, up to 24. The IPBX-24 interfaces to
standard analog trunks using loop start or wink start signaling, as well as to standard
analog telephones, including CLASS feature phones with Caller ID Name and Number, and
The IPBX-24 can be configured to support up to 120 ShoreTel IP phones (five IP phones
per IP phone port). The IPBX-24 ports are configured for IP through the Edit ShoreGear 24
If you are installing IP phones in your system, you must assign sufficient IPBX-24 ports to
IP phone support before attempting to install and configure IP phones.
The IPBX-24 does not support analog trunks outside the U.S. and Canada. The IPBX-24
does not support Caller ID, Message Waiting, Fax, and modems outside the U.S. and
The IPBX-24 LEDs and connectors are defined below.
G.15.1 LED Descriptions
G.15.1.1 Power LED
The IPBX-24 has one green power LED, which indicates the following:
•On: The switch is operating normally.
•Off: The switch has no power.
—2 flashes—The switch failed its internal self-test. This indicates a hardware
failure; replace the unit and submit a Return Material Authorization (RMA) to
—3 flashes—Booting via FTP. Flash memory might be corrupted. Go to the Quick
Look page to ensure that the system is running properly.
—4 flashes—The IP address is unavailable. DHCP and BOOTP did not respond to
the IP address request, and the IP address is not available in nonvolatile
memory to continue boot process. The switch will automatically reboot in five
seconds and try again. Check the BOOTP/DHCP server and the network
configuration to ensure that the voice switch is receiving a valid IP address.
—5 flashes—The operating system is not available. The switch is booting from
FTP but cannot find the boot files. It automatically reboots in five seconds. You
can use BOOTP or DHCP to tell the switch where the files are. If you are using
BOOTP, set the BOOTP server to the IP address of the ShoreWare server, and
set the boot file to /ts24/vxworks. If you are using a DHCP server that
Figure G-15 IPBX-24 Front Plate