
Nortel AF2111005 ASN/ASN2 Quad Sync Net Module, a four-port synchronous WAN interface card for the Access Stack Node router platform.
The Nortel AF2111005 is an ASN/ASN2 Quad Sync Net Module, a WAN interface card for Nortel’s Access Stack Node (ASN) and Access Stack Node 2 (ASN2) modular multiprotocol router platform. It fits into the ASN/ASN2 base unit as a net module, adding synchronous serial WAN connectivity for protocols such as Frame Relay, X.25 and leased-line links.
Each Quad Sync Net Module provides four synchronous serial ports, and Nortel’s ASN architecture allowed up to three of these modules to be installed in a single chassis alongside other net module types, giving flexible WAN port density for branch and remote-site routing deployments. The card is hot-swappable within the ASN chassis, in keeping with the platform’s modular design.
These modules were widely deployed in enterprise WAN edge routing during the ASN/ASN2 product generation and remain sought after for maintaining legacy Nortel router estates. Tech-Star (UK-based, shipped worldwide) checks every module before it ships. Get in touch to confirm compatibility with your ASN or ASN2 router system.

| Platform | Meridian Option 11 |
|---|---|
| Manufacturer | Nortel |

| Platform | Nortel OPTera Metro 3500 (OM3500) |
|---|---|
| Manufacturer | Nortel |

| Platform | Nortel Optera Long Haul |
|---|---|
| Manufacturer | Nortel |

| Platform | Meridian |
|---|---|
| Manufacturer | Nortel |

| Platform | Nortel Optera |
|---|---|
| Manufacturer | Nortel |

| Platform | Nortel OPTera Metro / Ciena 6500-family |
|---|---|
| Manufacturer | Nortel |
| Key Features | Four-port synchronous WAN interface; Hot-swappable net module design; Compatible with ASN and ASN2 chassis |
|---|---|
| Applications | WAN connectivity for branch routing; Frame Relay and leased-line links; Legacy multiprotocol routing upgrades |
| Compatibility | Nortel Access Stack Node (ASN); Nortel Access Stack Node 2 (ASN2); Up to three modules per chassis |
| Specifications | 4x synchronous serial ports; Net module form factor; Nortel part AF2111005 |
| Platform | Nortel Access Stack Node (ASN/ASN2) |
| Manufacturer | Nortel |
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