| Manufacturer | Adtran |
| Manufacturer Part # | 4200305L7 |
| Cost Central Item # | 10131427 |
| Product Description | ADTRAN Atlas 550 - Router - DSU/CSU - EN, Fast EN - rack-mountable |
| Device Type | Router |
| Form Factor | Rack-mountable - modular |
| Approximate Dimensions (WxDxH) | 17.1 in x 11.7 in x 3.5 in |
| Data Transfer Rate | 100 Mbps |
| Routing Protocol | OSPF, RIP-1, RIP-2 |
| Data Link Protocol | Ethernet, Fast Ethernet |
| Network / Transport Protocol | TCP/IP, UDP/IP |
| Remote Management Protocol | SNMP, Telnet |
| Digital Signaling Protocol | ISDN PRI |
| Features | Manageable |
| Power | AC 100/220 V ± 18% ( 50/60 Hz ) |