Installation guide
486 Planning and Installation Guide ShoreTel 14.2
ShoreTel Voice Switches Specification – IPBX Switches
F
When red, the T1/E1 signal is out-of-frame (OOF). The received signal cannot be framed to
the Extended Superframe (ESF) or D4 format.
When flashing red, loopback is active (local or CO).
When off, the switch has no power.
ShoreTel-T1 and ShoreTel E1 Connectors
The ShoreTel-T1 and ShoreTel E1 voice switches contain the following components:
1 DB-9 female connector for maintenance
2 RJ-45 connectors for the LAN interface
1 RJ-45 T1 telco port
1 RJ-45 T1 monitor port for connecting test equipment
Specification – IPBX Switches
IPBX-24 Voice Switch
The IPBX-24 (Figure 97) 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 Message Waiting.
The IPBX-24 can support up to 120 ShoreTel IP Phones (5 phones on each IP phone port). The IPBX-
24 ports are configured for IP through the Edit ShoreGear 24 page.
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 Canada.
The IPBX-24 LEDs and connectors are defined below.
Figure 97: IPBX-24 Front Plate