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Campus-RS Desktop Unit User Manual 1-1
1
ABOUT THE PRODUCT
The Campus-RS (Rate Selectable) Desktop Unit, with an RS interface card
installed, comprises half of a High-bit-rate Digital Subscriber Line (HDSL)
transmission system. When connected to another Desktop Unit or to a Line
Unit installed in a Campus-RS chassis, the Desktop Unit can transport
digitized voice, data, and video signals over existing copper wire at a number
of different HDSL transmission rates.
The Campus-RS system is compatible, over the HDSL link, with legacy
Campus products. You can connect the Campus-RS Desktop Unit, through
the HDSL link, to a Campus-E1
®
, Campus-T1
®
, or Campus-768
®
Desktop
Unit or Line Unit. The Campus-RS system is not compatible with
Campus-384
®
Desktop Units or Line Units.
All legacy Campus products were manufactured to operate at a single HDSL
transmission rate. The Campus-RS standard HDSL Operating Mode supports
three preset transmission rates when establishing an HDSL link between
Campus-RS products and legacy Campus products:
• 2.048 Mbps (E1)
• 1.544 Mbps (T1)
• 768 kbps
The interface card installed in the Desktop Unit determines
the HDSL transmission rates available. Some cards may
support fewer rates or only one rate. Refer to the interface
card user manual to determine the available HDSL
transmission rates for the system.