This four-port USB hub has been tested and sized specifically for Xorcom 2U height IP-PBX models.
P/N = XR0107
Configurations involving multiple Astribanks often require use of a USB hub to connect them to the Asterisk server.
In order to ensure a positive user experience, we branded a 4-port model that has proven itself in our lab tests. Its dimensions allow it to be affixed easily and aesthetically to the rear panel of our 2U height IP-PBX models: