Genuine Original Cisco Serial 4T 4-port Synchronous Network Adapter Module 28-2122-02 800-02314-02. The four-port synchronous (sync) serial network module (NM-4T) has four DB-60 ports and provides a data rate of 8 Mbps on port 0, 4 Mbps each on port 0 and port 2, or 2 Mbps on all four ports simultaneously. The NM-4T network module only supports sync mode. The DB-60 ports on the NM-4T network module support the Cisco 60-pin "5-in-1" cables used on the Cisco 2500 and Cisco 7000 series routers.
Model Number: CISCO SERIAL 4T
Cisco Part Number: 800-02314-02
Compatible Part Numbers: 28-2122-02
Platform Support:
Cisco IOS Software Support | Cisco 2600, 2600XM | Cisco 3620 and 3640 | Cisco 3631 | Cisco 3660 | Cisco 2691, 3725, 3745 |
NM-4T | Not supported | Cisco IOS Software Releases 11.2(4)XA, 11.2P, all 11.3, and all of 12.x | Cisco IOS Software Releases 12.2(13)T, 12.3(1), 12.3(2)T and later | All Cisco IOS Software releases | Cisco IOS Software Releases 12.2(13)T, 12.2(11)YT |
Features:
- Four serial ports.
- Uses Cisco DB-60 connectors (same cabling as Cisco 2500, Cisco 7000, NM-4A/S, and NM-8A/S). For more information, refer to 60-pin "5-in-1".
- Supports sync mode only (async mode is not supported).
- Provides synchronous data rate of 8 Mbps on port 0, 4 Mbps each on port 0 and port 2, or 2 Mbps on all four ports simultaneously.
- Does not support bisync or half-duplex.