| General |
| Label | 4-port voice/fax expansion module - BRI (NT and TE) |
| Status | N2 |
| Device Type | Voice / fax module |
| Form Factor | Internal |
| Modem |
| Interface Type | Expansion Slot |
| Connectivity Technology | Wired |
| ISDN Interface | ISDN BRI ST |
| Digital Ports Qty | 4 |
| Expansion / Connectivity |
| Compatible Slots | 1 x Expansion Slot |
| Miscellaneous |
| Compliant Standards | NEBS level 3, FCC Class A certified, EN 60950, IEC 60950, UL 60950, AS/NZS 60950-1 |
| Software / System Requirements |
| OS Required | Cisco IOS 12.3(8)T4 or later |
| Compatibility Information |
| Designed For | Cisco 2811 Security Bundle, 2821 Security Bundle, 2851 Security Bundle, 2911, 2911 Security Bundle, 2911 Voice Bundle, 2911 Voice Security and CUBE Bundle, 2911 Voice Security Bundle, 2921, 2921 Security Bundle, 2921 SRE Bundle, 2921 Voice Bundle, 2921 Voice Security and CUBE Bundle, 2921 Voice Security Bundle, 2951, 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, 3925 Security Bundle, 3925 SRE Bundle, 3925 Voice Bundle, 3925 Voice Security and CUBE Bundle, 3925 Voice Security Bundle, 3925E, 3925E Security Bundle, 3925E SRE Bundle, 3925E Voice Bundle, 3925E Voice Security and CUBE Bundle, 3925E Voice Security Bundle, 3945, 3945 Security Bundle, 3945 SRE Bundle, 3945 Voice Bundle, 3945 Voice Security and CUBE Bundle, 3945 Voice Security Bundle |
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