The asynchronous/synchronous serial network module for the Cisco 3600 series provide flexible dial support, with each port configurable in synchronous or asynchronous mode, offering mixed-media dial support in a single chassis. The 4-port (NM-4A/S) asynchronous/synchronous (async/sync) network module provides async connectivity with speeds up to 115.2 kbps, and sync connectivity with speeds up to 128 kbps.
- Manufacturer: Cisco
- Type: Network Module
- Model: NM-4A/S
- Number of Ports: 4 x asynchronous/synchronous
- Compatibility: Cisco 3600 Series