Octal DMA III/PS CEM- Communication Expansion Modules (CEMs) are printed circuit boards that contain the logic circuitry required for I/O operation in the ACN 500.- Works in conjunction with separate CAMs to allow additional interface flexibility to external networks. - Supports 8 DMA-assisted universal ports- Max Speed Sync 64kbps- Max Speed Async 115.2kbpsCAM required:- DP-758847 Octal DMA/PS CAM. Connects to the Octal DMA III/PS CEM and provides the 8 DMA-assisted universal ports. V.24- Supports v.54 loopback testing- V.11 or V.35 support via external converters (models W3020040 and W3020060)- Clock speeds provided are: 1.2, 2.4, 4.8, 9.6, 19.2, 38.4, 56/57.6, 64 kbps. - External clocking must be provided for all intermediate speeds.- The Octal DMA III/PS supports the Automatic Node Protection Switching (ANPS) feature and supports a maximum of 24 ports at 115.2 kbps.
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