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Cisco NIM-2FXS/4FXO Analog Voice Interface Module
Price includes warranty
CISCO
Product Specification
| Ports | 2x FXS and 4x FXO Ports |
| Module Type | Cisco Network Interface Module |
| Function | Supports Analog Voice Connectivity |
| Compatibility | Compatible with Cisco ISR 4000 Series Routers |
| Use Case | Voice Gateway Expansion Module |
| Integration | Supports PSTN Integration |
Refurbished Β· Tested
Cisco NIM-2FXS/4FXO analogue voice network interface module, adding two FXS and four FXO ports to ISR 4000 Series routers.
The NIM-2FXS/4FXO is a Cisco Network Interface Module (NIM) for the ISR 4000 Series integrated services routers. It combines two FXS ports and four FXO ports on one card, so a single router slot provides both analogue endpoint connections and PSTN line access. FXS ports supply dial tone and ringing to analogue telephones, fax machines and similar devices. FXO ports connect to lines from a telephone exchange or carrier, so the router can act as a voice gateway between IP telephony and the PSTN. Buyers are usually branch offices and enterprises in Qatar that run Cisco voice on ISR 4000 routers and still need a few analogue lines: a fax, a lift or door phone, or backup PSTN trunks. We supply this module refurbished from Doha under our SKU MOD-CISCO-NIM-2FXS4FXO, as a spare for an existing gateway or to add analogue voice to a router already in service.
MOD-CISCO-NIM-2FXS4FXOForm factor Cisco NIMSpecification
The NIM-2FXS/4FXO is a mixed analogue module: six voice ports in total, split between station-side FXS and line-side FXO. It fits a NIM slot on an ISR 4000 Series router, which supplies its power and runs its configuration under Cisco IOS XE.
Installation
The module goes into a free NIM slot on an ISR 4000 Series router. It is hot-swappable, but stop the slot from the router CLI before removing a module, then let the router bring the new one online after insertion. Wear an antistatic strap, slide the module in squarely and tighten its screws so it seats fully. Keep blanking plates on unused slots to maintain airflow.
Once seated, the six ports appear as analogue voice ports in IOS XE and are configured with the usual voice-port and dial-peer commands. Cable the FXS ports to telephones, fax machines or door entry phones, and the FXO ports to analogue lines from your carrier or an existing PBX. Set FXO dial peers and caller ID options to match the line provider in Qatar, and test inbound and outbound calls on each line before cut-over.
Part numbers and identification
Condition & testing
- Tested in a compatible system
- Verified against the listed part number and specification
- Fully working; minor cosmetic marks are possible on refurbished units.
- 6-month warranty on every unit we sell, with installation and support across Qatar.
What ships with this part
Images are for illustration. The unit supplied is the one described in the specification and may differ cosmetically.
Our team in Doha answers specification and compatibility questions during working hours.
Ask on WhatsApp sales@serverdove.comWhat does the Cisco NIM-2FXS/4FXO module do?
It adds analog voice connectivity to compatible Cisco ISR 4000 Series routers.
How many ports does this module include?
This module includes 2 FXS ports and 4 FXO ports.
Is this module compatible with Cisco ISR 4000 Series routers?
Yes, it is listed as compatible with Cisco ISR 4000 Series routers.
Can this module be used for PSTN integration?
Yes, it supports PSTN integration for enterprise voice deployments.
Is the module hot swappable?
Yes, the provided product details list it as a hot swappable module.
What does refurbished mean at ServerDove?
Off-lease or decommissioned enterprise hardware that we clean, test and reset in Doha. Every unit goes through POST, burn-in, memory and drive checks and a power-supply check, with firmware and BIOS returned to defaults and drives securely erased.
Can I ask about the exact unit before I buy?
Yes. Message us the SKU on WhatsApp and we will confirm the condition and configuration of the unit in stock, with photos if you want them.
How fast is delivery in Qatar?
Orders ship from Doha and arrive within one working day anywhere in Qatar. Delivery is free on orders over QAR 300.
Can I collect in person?
Yes, from Nuaija Office 7, Doha, usually within 24 hours of ordering. Choose pick-up at checkout and we will message you when it is ready.
What warranty is included?
A 6-month hardware warranty from the delivery date, covering the unit as supplied. If a part fails we repair or replace it. Full terms are on the warranty page.
What is your return policy?
If the unit arrives faulty or not as described, tell us and we will collect it and replace or refund it. Full terms are on the Refund Policy page.
Which payment methods do you accept?
Visa, Mastercard and American Express online. Bank transfer is available for company orders; contact us for details.
Is the price shown the final price?
Yes. The price shown is what you pay; nothing is added at checkout, and every order ships with an invoice in your name or your company's name.
Why buy refurbished
Enterprise hardware, tested in Doha, at a fraction of the price of new
Every unit we sell has already proven itself in a data centre. We test it again, grade it, and back it with a warranty before it leaves our stock.
Tested before it ships
POST, burn-in, memory and power-supply checks on every unit. Anything that fails is repaired or pulled from stock, not sold.
Same performance, lower cost
A Xeon runs the same workloads whether it is new or two years old. Spend the difference on more CPUs, memory or storage.
In stock, not on order
New enterprise hardware can take weeks or months to arrive. Ours is on the shelf in Doha and delivered across Qatar within a day.
Warranty and local support
Every unit is covered. Installation, configuration and hardware support are handled by our own team in Qatar, not a call centre abroad.