Cisco High-Density Analog Voice Service Module SM-X-24FXS/4FXO
Expansion module
FXS x 24 + FXO x 4
for Cisco 4451-X; Integrated Services Router 4331, 4351
Overview
The Cisco High-Density Analog Voice Service Modules provide enterprises, managed services providers, and service providers the ability to directly connect public-switched telephone networks and existing telephony equipment to compatible routers.
FeaturesRADIUS support, Digital Signal Processing, Hot Standby Router Protocol (HSRP) support, support for Online Insertion and Removal (OIR), FXS-E (extended loops) support, FXO failover bypass ports
Compliant StandardsG.711, G.729a, G.726
Expansion / Connectivity
Interfaces24 x FXS - RJ-21 ¦ 4 x FXO - RJ-11
Miscellaneous
Compliant StandardsNEBS 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
