Cisco High-Density Analog Voice Service Module SM-X-8FXS/12FXO
Expansion module
FXS x 8 + FXO x 12
for Cisco 4451-X; Integrated Services Router 4331, 4351
Overview
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.
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
Interfaces8 x FXS - RJ-21 ¦ 12 x FXO - RJ-21
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
