EM-HDA-6FXO - Cisco Interface Card Network Modules Overview
EM-HDA-6FXO - Cisco Interface Card Network Modules is a genuine modular capacity expansion product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco family, the EM-HDA-6FXO unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is installed into a compatible chassis slot, where it works alongside the supervisor and line cards to extend the platform’s capabilities.
From a specification standpoint, it offers 6 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Cisco hardware already running in the environment.
Typical deployments include adding ports and performance to existing chassis systems, modernizing legacy platforms with compatible line cards, and mixing copper, fiber and high-speed uplinks in one chassis. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “6-port voice/fax expansion module - FXO Cisco Router Network Module”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the EM-HDA-6FXO. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Capacity Expansion
Add ports and performance to existing chassis.
Upgrade Path
Modernize aging platforms with compatible modules.
Flexible I/O
Mix copper, fiber and high-speed uplinks.
Buying a Pre-Owned EM-HDA-6FXO
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
EM-HDA-6FXO Specification | |
| General | |
| Device Type | Voice / fax module |
| Form Factor | Internal |
| Modem | |
| Interface Type | Expansion slot |
| Connectivity Technology | Wired |
| ISDN Interface | FXO |
| Analog Ports Qty | 6 |
| Expansion / Connectivity | |
| Interfaces | 6 x modem - FXO |
| Compatible Slots | 1 x expansion slot |
| 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(11)T or later |
| Compatibility Information | |
| Designed For | Cisco 2821, 2821 Branch Office in a Box Bundle, 2821 Secure WAN Optimization Bundle, 2821 Unified Communications Bundle, 2821 Unified Communications Bundle with Advanced Security, 2821 WAN Application Acceleration Bundle, 2821 WAN Optimization Bundle, 2851, 2851 Secure WAN Optimization Bundle, 2851 Unified Communications Bundle, 2851 Unified Communications Bundle with Advanced Security, 2851 WAN Application Acceleration Bundle, 2851 WAN Optimization Bundle, 2901, 2901 Secure WAAS Bundle, 2901 SRE Bundle, 2901 Terminal Server Bundle, 2901 Voice Security and CUBE Bundle, 2901 WAAS Bundle, 2911, 2911 Secure WAAS Bundle, 2911 SRE Bundle, 2911 UCSE Bundle, 2911 Voice Security and CUBE Bundle, 2911 WAAS Bundle, 2921, 2921 Secure WAAS Bundle, 2921 SRE Bundle, 2921 Voice Security and CUBE Bundle, 2921 WAAS Bundle, 2951, 2951 Secure WAAS Bundle, 2951 SRE Bundle, 2951 Voice Security and CUBE Bundle, 2951 WAAS Bundle, 3825, 3825 Branch Office in a Box Bundle, 3825 ISR IP Video Surveillance Bundle, 3825 Secure WAN Optimization Bundle, 3825 SRST Voice Upgrades for HSEC Bundle, 3825 Unified Communications Bundle, 3825 Unified Communications Bundle with Advanced Security, 3825 WAN Application Acceleration Bundle, 3825 WAN Optimization Bundle, 3845, 3845 Branch Office in a Box Bundle, 3845 ISR IP Video Surveillance Bundle, 3845 Unified Communications Bundle with Advanced Security, 3845 Video Encoding Bundle, 3845 WAN Application Acceleration Bundle, 3845 WAN Optimization Bundle, 3925, 3925 SRE Bundle, 3925 Voice Security and CUBE Bundle, 3925 WAAS Bundle, 3925E, 3925E Security Bundle, 3925E SRE Bundle, 3925E Voice Bundle, 3925E Voice Security and CUBE Bundle, 3925E Voice Security Bundle, 3945, 3945 PSRE Bundle, 3945 SRE Bundle, 3945 Voice Security and CUBE Bundle, 3945 WAAS Express Bundle, 3945E, 3945E Security Bundle, 3945E SRE Bundle, 3945E Voice Bundle, 3945E Voice Security and CUBE Bundle, 3945E Voice Security Bundle |






