458 Planning and Installation Guide ShoreTel 14
ShoreTel Voice Switches IPBX-24 Voice Switch
When flashing with ring cadence, the telephone is ringing.
When flashing slowly, the telephone is off hook.
When flashing fast, the port is in use (call in progress).
Trunk Port LED (Yellow)
When on steady, the port is configured as a trunk port and the trunk is idle.
When flashing slowly, the trunk is off hook.
When flashing fast, the trunk is in use (call in progress).
Port LED (Red): When on, the port is out of service.
IP Phone (Off): When the LED is off, the port is reserved for IP phones, for conferencing, or is not
The network LEDs indicate the speed at which the switch is communicating with the network and
whether there is network activity.
The network LED descriptions are as follows:
Link: When lit, the switch is connected to an Ethernet network.
When lit, the switch is connected to a 100BaseT network.
When off, the switch is connected to a 10BaseT network.
Traffic: This LED indicates network activity, as follows:
When flashing, network activity is detected.
When on (not flashing), heavy network activity is detected.
When off, network activity is not detected.
This LED is not directly related to any particular switch’s individual network activity. For example, if you
have three switches that are connected to the same hub, and one switch’s Traffic LED shows activity,
the other switches will indicate the same.
The IPBX-24 voice switch contains the following components:
1 3.5 mm mono connector for audio input (music on hold)
1 3.5 mm mono connector for audio output (overhead paging and night bell)
1 DB-9 female connector for maintenance