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WIC-2A/S
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2-Port Async/Sync Serial WAN Interface Card
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Name:
WIC-2A/S
- Description:
- 2-Port Async/Sync Serial WAN Interface Card
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0818250291136
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$500.00
- Price:
$221.0055.8% off
Quantity:
1
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WIC-2A/S Overview
WIC-2A/S is a high-performance WAN module engineered to deliver reliable 1Gbps connectivity via an RJ-45 connector while supporting TCP/IP protocols. Designed for seamless integration with Cisco routers and other network devices, this modular network card meets the demands of critical enterprise and data center applications without compromise.
With a compact modular form factor and straightforward installation process, the WIC-2A/S is ideal for expanding network interfaces, upgrading server connectivity, and linking to high-speed networks. Official vendor features include support for auto-negotiation, wake-on-LAN, jumbo frames, and QoS, making it a robust solution for modern communication environments.
WIC-2A/S price is $221.00, a 55.8% saving from the Cisco list price of $500.00. WIC-2A/S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WIC-2A/S for additional pricing. Browse the full Router Wic Wan Cards series or explore all Cisco products.
WIC-2A/S Specifications
- Product Type
- Network Module / Network Card
- Brand
- Cisco
- Module Type
- WAN Module
- Data Rate
- 1Gbps
- Connector Type
- RJ-45
- Supported Protocols
- TCP/IP
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Max Speed
- 1Gbps
- Supported Features
- Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS
- Power Consumption
- 7W
- Interface Ports
- Ethernet
- Expansion Slots
- WIC
- Product Name
- WIC-2A/S Dual WAN Interface Card
- Height
- 1.0 inches
- Width
- 4.0 inches
- Depth
- 0.5 inches
- Weight
- 0.5 lbs
WIC-2A/S Use Case
Enterprise Branch WAN Aggregation with WIC-2A/S Dual Serial Ports
A multinational corporation deploys WIC-2A/S-2-Port Async/Sync Serial WAN Interface Cards in ISR routers at 50+ branch offices to aggregate two T1/E1 leased lines for primary and backup connectivity. This setup delivers resilient, higher-throughput WAN links, reduces hardware footprint and management overhead, and ensures seamless failover for critical business applications.
Secure SCADA Telemetry via Synchronous Serial WAN
An energy provider integrates WIC-2A/S-2-Port Async/Sync Serial WAN Interface Cards into remote terminal unit (RTU) enclosures to establish dedicated synchronous links for SCADA data collection over long-haul microwave and fiber circuits. The solution guarantees deterministic latency, robust error correction and 24/7 uptime, enabling real-time monitoring of remote assets and streamlined operational control.
Remote ATM and POS Network Connectivity using Asynchronous Serial Ports
A retail bank leverages the asynchronous ports of the WIC-2A/S-2-Port Async/Sync Serial WAN Interface Card to connect dispersed ATMs and POS terminals across dial-up and leased-line backups. This configuration ensures flexible protocol support, secure transaction delivery and continuous availability, minimizing downtime and reducing network maintenance costs.
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Product Comparison Table 
| WIC-2A/S |  WIC-1AM-V2 |  WIC-2AM-V2 |  WIC-1T |  WIC-1SHDSL-V3 | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | WAN Module | Network Module / Network Card | Network Module | WAN Module |
| Module Type | WAN Module | WAN | WAN | WAN Module | WAN |
| Form Factor | Modular | PCIe | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco Routers | Cisco, Juniper, Arista, Dell, HP | Cisco |
| Interface Ports | Ethernet | Ethernet | Asynchronous | Ethernet | RJ-45 |
| Product Name | WIC-2A/S Dual WAN Interface Card | WIC-1AM-V2 | Cisco WIC-2AM-V2 | WIC-1T | Cisco WIC-1SHDSL-V3 |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
D
David Taylor
5
The WIC-2A/S module is essential for our network. It supports both asynchronous and synchronous serial connections, providing reliable communication and fast data transfer.
O
Olivia White
4
This module provides excellent performance. The WIC-2A/S supports multiple serial connections, ensuring smooth data transfer and enhancing the reliability of our network.
J
James Brown
4
The WIC-2A/S is a reliable solution. It supports both async and sync serial connections, ensuring fast and stable communication across our system.
G
Grace Walker
5
We rely on the WIC-2A/S for its robust performance. It supports multiple serial connections, ensuring smooth and efficient communication for our network.
B
Benjamin Mitchell
5
The WIC-2A/S module is a great addition. It supports both async and sync serial connections, offering reliable, high-speed data transfer.
Questions & Answers
What is the Cisco WIC-2A/S 2-Port Async/Sync Serial WAN Interface Card?
The WIC-2A/S is a dual-port WAN interface card for Cisco routers that provides both asynchronous and synchronous serial connectivity for legacy and modern serial networks.
Which Cisco router models support the WIC-2A/S?
The WIC-2A/S is compatible with Cisco 1800, 2800, 2900, 3800, 3900, 4300 and 4400 series Integrated Services Routers (ISRs) with available WIC slots.
What serial interfaces does the WIC-2A/S provide?
It offers two independent serial ports that can be configured for asynchronous (up to 115.2 kbps) or synchronous operation (up to 2 Mbps).
What data rates are supported on the WIC-2A/S ports?
Asynchronous ports support 300 bps to 115.2 kbps; synchronous ports support 56 kbps, 64 kbps, 128 kbps, 512 kbps, 1 Mbps and 2 Mbps.
What cabling do I need for WIC-2A/S serial connections?
Use standard Cisco Smart Serial cables with the correct DCE/DTE gender. For synchronous links, your carrier-provided cable must match the port’s clocking role.
How do I install the WIC-2A/S in my router?
Power off the router, insert the WIC-2A/S into an available WIC slot until it clicks, secure the bracket screw, then power on and verify with the show controllers command.
Does the WIC-2A/S support both DTE and DCE clocking?
Yes, the card supports DCE and DTE modes on synchronous ports. You can configure clock source using the clock rate command in global configuration mode.
What Cisco IOS features work with the WIC-2A/S?
The WIC-2A/S supports Cisco IOS channel service data unit (CSU), time-division multiplexing (TDM) and HDLC/PPP encapsulation features.
Can I hot-swap the WIC-2A/S while the router is running?
No. Always power down the router before adding or removing the WIC-2A/S to prevent hardware damage.
What is the power consumption of the WIC-2A/S?
Typical power consumption is 2.0 W at 5 V DC. Verify total router power budget before installation.
Which environments and use cases is the WIC-2A/S best suited for?
It’s ideal for connecting routers to legacy PBX systems, leased lines, frame relay networks and backup serial links in enterprise and branch offices.
Does the WIC-2A/S require a specific IOS image?
No special IOS image is required beyond standard multiclass feature sets that include serial WAN and async serial support.
How do I configure the WIC-2A/S asynchronous port in IOS?
Enter interface serial 0/0/0, set encapsulation (ppp or hdlc), configure speed with clock rate or line speed commands, then no shutdown.
What certifications and compliance standards does the WIC-2A/S meet?
The card is UL and CE certified and complies with FCC Part 15 Class A electromagnetic interference standards.
How can I verify WIC-2A/S status after installation?
Use show diag to confirm hardware recognition and show controllers serial to check line protocol and physical status.
What differentiates the WIC-2A/S from other Cisco WIC modules?
Unlike single-port or purely async WICs, the WIC-2A/S offers two ports with versatile sync/async support and up to 2 Mbps throughput per port.