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Chapter 1 Overview
Applications
© 2009 Harmonic Inc.
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SPL 7110-Exx, Version 1.0, Rev A
Figure 1-2: SPL 7110-Exx block diagram
The SPL 7110-Exx transmitter is a compact plug-in module that mounts easily in Harmonic’s
HLP 4200 and HLP 4800 platform via the HMC 4001 module carrier.
For additional information on the HLP 4200 platform and HLP 4800 platform and its
associated communication and power buses, see the
HLP 4200 Instruction Manual
or the
HLP 4800 Users’s Guide.
1.3 Applications
The SPL 7110-Exx transmitter is designed to operate in multi-wavelength systems allowing
fiber conservation or reclamation. The 1550nm DWDM optical signal transmitted by a
SUPRALink DWDM module must be combined and separated using Harmonic passive
multiplexor and demultiplexor optical modules. A complete family of passive optical products
is available for network design.
Figure 1-3 and Figure 1-4 show two typical applications of the SPL 7110-Exx. Broadcast
signals and QAM signals from a cable modem termination system (CMTS), cable telephony, or
video-on-demand server are combined and used to drive the SPL 7110-Exx. The optical
outputs from multiple SPL 7110-Exx are combined into a single fiber using a dense
wavelength division multiplexor (DWDM).