| Worldwide impedance matching |
| Flexible DC parameters |
| Indicator lights for active settings and line status, per channel |
| Full Euro ISDN support |
| Programmable TE/NT settings for each channel |
| Indicator lights for active settings and line status, per channel |
| Processor | Intel Atom D425 1.8 GHz |
| Single Layer Cell (SLC) Solid State Disk (SSD) | 16 GB |
| RAM | 2 GB |
| USB | 4 external USB 2.0 |
| I/O Ports (model-specific) | Input/Output ports for Asterisk peripheral device support |
| Asterisk distribution | Elastix version 2.2x |
| Asterisk version | 1.8x |
| Linux version | CentOS 5.x |
| GUI | Based on FreePBX |
| Rapid Tunneling™ | Utility providing remote access for product support purposes |
| Ethernet port | (10/100/1000 Mb/s) |
| Monitor (CRT) and keyboard support |
| Rapid Recovery™ backup utility provided on Disk-on-Key |
| Rapid Tunneling™ utility providing secure remote access for product support purposes |
| Internet updates |
| Power supply | 12 VDC desktop |
| Voltage | Switching, auto adjust 110/220 Volts, 50/60 Hz |
| Power consumption | 55 to 75 Watts (depends on number and usage of FXS ports) |
| Built in grounding connection |
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| Storage temperature | -20° to 70° Celsius (-4°-158° F) |
| Working temperature | 0° to 40° Celsius (32°-104° F) |
| Humidity | 20%-95%, non condensing |
| Weight | 0.8 to 1.5 Kg (1.77-3.3 Lbs) (depends on configuration) |
| Size | 19" 1U industry standard rack- or wall-mountable chassis |
| Rapid Recovery™ | Backup utility provided on Disk-on-Key | P/N XR0068 |
| Rapid PA™ | Public Address capability for FXS port(s) | P/N XR0067 |