BRAND NEW. FACTORY SEALED. RETAIL BOXED. FULL HPE WARRANTY INCLUDED. AVAILABLE FROM CHICAGO COMPUTER SUPPLY. Overview Enterprise and branch networks often require integration with analog telephony systems. Voice interface modules allow routers to connect directly to phones, fax machines, and PSTN lines. The HPE MSR 4-Port FXS / 1-Port FXO DSIC Module JG189A provides voice and fax connectivity for HPE MSR routers. Designed for enterprise environments, this module supports direct connection of analog devices and external telephone lines, enabling flexible telephony integration. Key Features 4 × FXS ports for connecting analog phones and fax machines 1 × FXO port for connecting to PSTN or PBX systems RJ-11 interfaces for standard telephony connections Designed for HPE MSR router series Supports voice and fax communication Enables integration with legacy telephony systems Compact DSIC module design for flexible deployment Reliable performance for enterprise voice applications Technical Specifications Brand: HPE Model: MSR Voice DSIC Module Part Number: JG189A Product Type: Voice Interface Module Device Type Voice and Fax Interface Module Ports 4 × FXS ports 1 × FXO port Interfaces 4 × RJ-11 FXS 1 × RJ-11 FXO Application Voice communication Fax connectivity Connectivity Analog telephony Compatibility HPE MSR20 Series Routers Use Cases The HPE JG189A module is designed for branch office and enterprise networks using HPE MSR routers. It enables direct connection of analog phones and fax machines while also supporting external telecom connections through the FXO port. Organizations deploy this module to integrate voice services into their network infrastructure. Why Choose HPE JG189A Combines FXS and FXO ports in a single module Enables both internal device connection and external line access Supports analog voice and fax communication Designed for seamless compatibility with HPE MSR routers Simplifies telephony integration Compact design for flexible deployment Reliable performance for voice workloads Brand new hardware backed by a full HPE warranty FAQs What is the HPE JG189A module used for? It is a voice interface module used to connect analog phones, fax machines, and PSTN lines to HPE MSR routers. How many ports does the module provide? The module includes 4 FXS ports and 1 FXO port. What is the difference between FXS and FXO? FXS connects to devices like phones, while FXO connects to external telephone lines. Is this suitable for fax machines? Yes. It supports both voice and fax communication. Is this compatible with HPE MSR routers? Yes. It is designed for HPE MSR20 series routers. Does the warranty cover the module? Yes. The product is brand new, factory-sealed, retail-boxed, and includes the full HPE warranty.