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| Brand | Cisco |
|---|---|
| Compatible With | Cisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router Security Bundle |
| Compatible With | 4451-X Integrated Services Router Voice and Video Bundle |
| Compatible With | 4451-X Integrated Services Router Voice Security Bundle |
| Connectivity Technology | Wired |
| Form Factor | Plug-in module |
| Installed Size | 512 megabyte |
| Model | Fourth-Generation 256-Channel High-Density Packet Voice Digital Signal Processor Module |
| Packaged Quantity | 1 |
| Type | Voice DSP module |