| General |
| Depth | 6.4 in |
| Device Type | Network adapter - 4 ports |
| Form Factor | External |
| Height | 1.6 in |
| Weight | 9.7 oz |
| Width | 3.5 in |
| Environmental Parameters |
| Humidity Range Operating | 0 - 95% |
| Max Operating Temperature | 104 °F |
| Min Operating Temperature | 32 °F |
| Expansion / Connectivity |
| Provided Interfaces | 4 x network - ISDN BRI ST - RJ-45 - 44 x network - ISDN BRI U - RJ-45 - 4 |
| Manufacturer Warranty |
| Service & Support | 5 years warranty |
| Service & Support Details | Limited warranty - parts and labor - 5 years - carry-in |
| Miscellaneous |
| Cables Included | 6 x phone cable |
| Package Type | Retail |
| Networking |
| Cabling Type | ISDN BRI, phone |
| Connectivity Technology | Wired |
| Data Link Protocol | ISDN |
| Data Transfer Rate | 512 Kbps |
| Features | Full duplex capability |
| Line Coding Format | 2B1Q |
| Status Indicators | Power, link OK, test mode |
| Power |
| Power Consumption Operational | 3.3 Watt |
| Power Device | Power adapter - external |