| Electromagnetic compatibility | 47 CFR, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI V-3, CNS 13438, EN 300-386, EN 61000, EN 55024, CISPR 24, EN50082-1 |
| Depth | 18.7" |
| Supports ISDN connection | Y |
| Width | 17.2" |
| Height | 5.25" |
| Installed SFP modules quantity | 2 |
| Port forwarding | Y |
| Expansion module support | Y |
| Product color | Black |
| Expansion slots | 3 x EHWIC 3 x DSP |
| Ethernet LAN (RJ-45) ports | 4 |
| RS-232 ports | 1 |
| USB ports quantity | 2 |
| USB version | 2.0 |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating relative humidity (H-H) | 5 - 85 % |
| Storage relative humidity (H-H) | 5 - 95 % |
| Operating altitude | 0 - 157480.3" |
| Non-operating altitude | 0 - 179921.3" |
| Power source type | AC |
| AC input frequency | 47 - 63 Hz |
| AC input voltage | 100 - 240 V |
| Safety | UL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1 |
| Input current | 7.1 A |
| Internal memory | 1024 MB |
| Rack capacity | 3U |
| Plug and Play | Y |
| LED indicators | Y |
| Wall mountable | N |
| Rack mounting | Y |
| Networking standards | IEEE 802.1Q, IEEE 802.1ag, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ah, IEEE 802.3u |
| Cabling technology | 10/100Base-T(X) |
| Ethernet LAN | Y |
| Ethernet interface type | Fast Ethernet |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Quality of Service (QoS) support | Y |
| Web-based management | Y |
| Flash memory | 256 MB |
| Firewall security | Cisco IOS |
| Management protocols | CBWFQ, WRED, PBR, NBAR, SOAP, EEM, PSLA, SNMP |
| Routing protocols | BGP, EIGRP, OSPF |
| Ethernet WAN | Y |