Cisco Cisco Digital Service Access Node (DSAN) 8200 Installation Guide
Functional Description
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Functional Description
The DSAN is a single chassis that installs either indoors in an MDU equipment closet
or basement, or outdoors on a strand or in an equipment cabinet or pedestal.
or basement, or outdoors on a strand or in an equipment cabinet or pedestal.
Forward Path Operation
The DSAN receives quadrature amplitude modulated (QAM) MPEG-2 encoded
video and AC3 encoded audio, and generates up to 82 NTSC video with BTSC audio
channels between 54 MHz and 552 MHz.
video and AC3 encoded audio, and generates up to 82 NTSC video with BTSC audio
channels between 54 MHz and 552 MHz.
All DSAN configurations have one coaxial input sourced from the service provider
headend. The DSAN can tune up to three 48 MHz bands residing in the 88 MHz to 1
GHz spectrum. Residing within this 48 MHz band are eight contiguous 6 MHz QAM
channels. Each QAM channel may contain up to 15 MPEG-2 video channels.
headend. The DSAN can tune up to three 48 MHz bands residing in the 88 MHz to 1
GHz spectrum. Residing within this 48 MHz band are eight contiguous 6 MHz QAM
channels. Each QAM channel may contain up to 15 MPEG-2 video channels.
In addition to the HFC input, the DSAN has two ASI auxiliary port inputs. These
auxiliary inputs can support four channels each when sourced using the external
DAXI product accessory.
auxiliary inputs can support four channels each when sourced using the external
DAXI product accessory.