
WIC-2T 2-port serial WAN interface card for Cisco 2600 series routers.
Cisco part 800-03181-01G0 is a WIC-2T, a 2-port serial WAN interface card for the Cisco 2600 series modular access routers. It installs into a router’s WIC slot to add high-speed serial WAN connectivity.
The WIC-2T provides two synchronous/asynchronous serial ports for connecting to leased lines, Frame Relay circuits or other serial WAN services, and is one of the most widely deployed WAN interface cards across the Cisco 2600 and related ISR platforms. The ‘-01G0’ suffix denotes a specific hardware revision of the same base card.
It’s a good match for organisations maintaining an existing Cisco 2600 series router estate who need matching hardware for expansion, redundancy or like-for-like replacement. Tech-Star (UK-based, shipped worldwide) checks every interface card before it ships. Get in touch to confirm compatibility with your router.

| Platform | Cisco Unified IP Phone 8900 Series |
|---|---|
| Manufacturer | CISCO |

| Platform | Cisco Unified IP Phone 7900 Series |
|---|---|
| Manufacturer | CISCO |

| Platform | Aironet 2600 Series |
|---|---|
| Manufacturer | CISCO |

| Platform | ISR 4000 Series |
|---|---|
| Manufacturer | CISCO |

| Platform | Cisco Unified IP Phone 8900/9900 Series |
|---|---|
| Manufacturer | CISCO |

| Platform | Cisco Catalyst 2950G switch family |
|---|---|
| Manufacturer | CISCO |
| Key Features | 2 x serial WAN ports; WIC-2T interface card; synchronous/asynchronous serial support |
|---|---|
| Applications | Leased line and Frame Relay WAN connectivity; router WAN port expansion |
| Compatibility | Cisco 2600 series and compatible WIC-slot routers |
| Specifications | 2-port serial WAN interface card; WIC form factor; hardware revision G0 |
| Platform | Cisco 2600 series routers |
| Manufacturer | CISCO |
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