Ports and Buttons

LEDs indicating the status of the power and reboot/initialization. For more information, see LED Descriptions.

One USB 2.0 port, which can be used, for example, for various storage capabilities using an external USB hard drive or flash disk (disk on key).

Reset pinhole button for resetting the device and optionally, for restoring the device to factory defaults. To restore the device to factory defaults, do the following:

With a paper clip or any other similar pointed object, press and hold down the pinhole button for at least 12 seconds, but no longer than 25 seconds

Up to four Gigabit Ethernet (10/100/1000Base-T) ports for connecting to LAN network (IP phones, computers, or switches). These ports support half- and full-duplex modes, auto-negotiation, and straight or crossover cable detection.

Single E1/T1 port interface (RJ-48).

Note: PRI interface is a customer-ordered item.