Issue 3 June 2000
5-1
5
Transmission and
Synchronization
5
Overview
5
This chapter describes the transmission and synchronization interfaces for the
DDM-2000 FiberReach Multiplexer.
Transmission Interfaces
5
DS1 Transmission Interface
5
The DDM-2000 FiberReach wideband shelf supports DS1 interfaces. The DS1
interface accepts any DSX-1 compatible signal (clear channel interfaces).
OC-1/OC-3/OC-12 Transmission Interface
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The DDM-2000 FiberReach wideband shelf supports an OC-1/OC-3/OC-12
interface. The OC-1 interface is a 51.84 mb/s SONET interface. For OC-3/OC-12
interface standards, refer to Chapter 10, “Technical Specifications” of 363-206-
285,
DDM-2000 OC-3 Multiplexer Release 13.0 and Later User/Service Manual -
Volume I
.
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