| Device Type | Network adapter |
| Form Factor | Plug-in module |
| Width | 2.1 cm |
| Depth | 12.2 cm |
| Height | 7.9 cm |
| Connectivity Technology | Wired |
| Data Link Protocol | Gigabit Ethernet |
| Data Transfer Rate | 1 Gbps |
| Remote Management Protoco | SNMP RMON |
| Features | VLAN support MAC address filtering |
| Compliant Standards | IEEE 802.2 IEEE 802.3 IEEE 802.3z IEEE 802.1Q IEEE 802.3ab IEEE 802.1p IEEE 802.3x |
| Expansion Slot(s) | 1 SFP (mini-GBIC) |
| Compatible Slots | 1 x Expansion Slot |
| Compliant Standards | FCC Class A certified UL TUV GS VCCI CISPR 22 Class A EN 60950 EN 61000-3-2 IEC950 EN 61000-3-3 EN55024 CSA 22.2 No. 950 EN55022 Class A ICES-003 Class A AS/NZS 3548 |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 40 °C |
| Humidity Range Operating | 10 - 90% |
| Designed For | Cisco 1921 4-pair G.SHDSL bundle 1921 ADSL2+ Annex M Bundle 1921 ADSL2+ Bundle 1921 Integrated Services Router 1921 SEC T1 Bundle 1941 Integrated Services Router 1941 Mobile Wireless Router 1941 Security Bundle 1941 Security Router 1941 SRE Bundle 2811 Security Bundle 2821 Security Bundle 2851 Security Bundle 2901 Integrated Services Router 2901 Security Bundle 2901 SRE Bundle 2901 Voice Bundle 2901 Voice Security and CUBE Bundle 2901 Voice Security Bundle 2911 Integrated Services Router 2911 Security Bundle 2911 Voice Bundle 2911 Voice Security and CUBE Bundle 2911 Voice Security Bundle 2921 Integrated Services Router 2921 Security Bundle 2921 SRE Bundle 2921 Voice Bundle 2921 Voice Security and CUBE Bundle 2921 Voice Security Bundle 2951 Integrated Services Router 2951 Security Bundle 2951 SRE Bundle 2951 Voice Bundle 2951 Voice Security and CUBE Bundle 2951 Voice Security Bundle 3825 Security Bundle 3845 Security Bundle 3925 Integrated Services Router 3925 Security Bundle 3925 SRE Bundle 3925 Voice Bundle 3925 Voice Security and CUBE Bundle 3925 Voice Security Bundle 3925E Integrated Services Router 3925E Security Bundle 3925E SRE Bundle 3925E Voice Bundle 3925E Voice Security and CUBE Bundle 3925E Voice Security Bundle 3945 Integrated Services Router 3945 Security Bundle 3945 SRE Bundle 3945 Voice Bundle 3945 Voice Security and CUBE Bundle 3945 Voice Security Bundle 3945E Integrated Services Router 3945E Security Bundle 3945E SRE Bundle 3945E Voice Bundle 3945E Voice Security and CUBE Bundle 3945E Voice Security Bundle |