| Marketing Description |
| The Cisco High-Density Analog Voice and Fax Service Modules provide enterprises, managed services providers, and service providers the ability to directly connect public-switched telephone networks (PSTNs) and existing telephony equipment to Cisco 4000 Series Integrated Services Routers (ISRs). These fixed-port (FXS and FXO) modules provide Dual-Tone Multifrequency (DTMF) detection, voice compression and decompression, call progress tone generation, Voice Activity Detection (VAD), echo cancellation, and adaptive jitter buffering. |
| Product Features |
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Robust connectivity
Equipped with both FXS and FXO interfaces, the Cisco High-Density Analog Voice Service Module ensures seamless connectivity. The module supports up to 8 FXS and 12 FXO connections, providing flexible options for integrating into existing telecommunication infrastructures.
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Enhanced reliability
Featuring support for Hot Standby Router Protocol (HSRP), Online Insertion and Removal (OIR), and FXO failover bypass ports, this module is designed for continuous operation and minimal downtime. Its robust design ensures reliable performance under various environmental conditions, with operational temperatures ranging from 0°C to 40°C.
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Comprehensive standards compliance
This module meets a wide array of compliance standards, including NEBS level 3, ensuring its suitability for deployment in a variety of settings. From safety to electromagnetic compatibility, it adheres to international and regional regulations, making it a trustworthy component of any network.
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Advanced features for network management
With support for digital signal processing and advanced network protocols such as DHCP, DNS, RTCP, and RTP, the module offers sophisticated tools for managing and optimizing voice services. Remote management is facilitated through protocols like HTTP, SNMP, TFTP, and Telnet, enabling efficient administration and maintenance.
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Energy-efficient operation
Despite its capabilities, the module maintains an energy-efficient operation with a power consumption of just 53.55 watts. This efficiency contributes to lower operational costs and supports organizations' sustainability goals.
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| General |
| Device Type |
Expansion module |
| Form Factor |
Plug-in module |
| Networking |
| Ports |
FXS x 8 + FXO x 12 |
| Connectivity Technology |
Wired |
| Network / Transport Protocol |
DHCP, DNS, RTP, RTCP |
| Remote Management Protocol |
SNMP, Telnet, HTTP, TFTP |
| Status Indicators |
Status |
| Features |
RADIUS support, Digital Signal Processing, HSRP support, OIR support, FXS-E (extended loops) support, FXO failover bypass ports |
| Compliant Standards |
G.711, G.729a, G.726 |
| Expansion / Connectivity |
| Interfaces |
8 x FXS - RJ-21
12 x FXO - RJ-21 |
| Miscellaneous |
| Compliant Standards |
NEBS level 3, CISPR 22 Class A, CISPR 22 Class B, CISPR 24, EN55024, EN50082-1, EN55022 Class B, EN 61000-6-1, AS/NZS 60950-1, CS-03, FCC CFR47 Part 15, UL 60950-1, IEC 60950-1, EN 60950-1, TBR21, AS/NZS 3548 Class A, VCCI V-3, TIA/EIA/IS-968, GR-1089-CORE, GR-63-CORE, CNS 13438, ICES-003 issue 4, EN 55022 Class A, EN 300 386, CAN/CSA-C22.2 No. 60950-1, ES 201 970, GR-78-CORE |
| Power |
| Power Consumption Operational |
53.55 Watt |
| Dimensions & Weight |
| Width |
18.9 cm |
| Depth |
19.3 cm |
| Height |
4.02 cm |
| Weight |
860 g |
| Environmental Parameters |
| Min Operating Temperature |
0 °C |
| Max Operating Temperature |
40 °C |
| Compatibility Information |
| Designed For |
Cisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router, 4451-X Integrated Services Router Security Bundle, 4451-X Integrated Services Router Voice and Video Bundle, 4451-X Integrated Services Router Voice Security Bundle
Cisco Integrated Services Router 4331, 4351 |
