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2 © 2007 VBrick Systems, Inc.
• Video encoding rates configurable from 8 Kbps to 15 Mbps.
• Transport and Elementary stream support.
• Provides closed captioning with text insertion.
• Optional – video camera with pan, tilt and zoom.
• Optional – 19 in. rack mount adapter (holds two across).
Table 1. VBSSM Models †
Mixed Model Appliances
In addition to dual devices (for example two encoders, or an MPEG-2 encoder and MPEG-2
decoder), VBrick supports mixed model appliances (for example a WM encoder and an
MPEG-4 encoder). VBrick appliance v4.1 software supports almost any combination of
VBrick devices in Slots 1 and 2 so you can mix and match as necessary. For example, you can
have a WM encoder in Slot1 and an MPEG-4 encoder in Slot2, or you can have an MPEG-2
encoder in Slot1 and MPEG-4 decoder in Slot2. The only exception is that you cannot have a
WM encoder and an MPEG-4 decoder in the same appliance. In general, encoders are installed in
Slot1; decoders are installed in Slot2. WM encoders, if present, are always installed in Slot1.
Archiver and Recorder Functionality
Archiver/Recorder functionality may be different in mixed model appliances depending on
how the slots are populated. In other words, the behavior of the device in a given slot may
change depending on what combination of appliances are installed. See Figure 1 below and
note the following distinctions:
•An archiver only records from an associated encoder. For example, a WM Archiver is
associated with a specific WM encoder.
•A recorder is not associated with any encoder. It independently records one stream at a
time from an encoder, a decoder, or from the network.
• On MPEG-4 appliances, there is no archiving or recording.
Model Configuration Description
9170-4200-000x VBSSM-MP2 Ruggedized single channel MPEG-2 encoder.
9171-4200-000x VBSSM-MP4 Ruggedized single channel MPEG-4 encoder with
audio. Same enclosure as VBSSM-MP2.
9172-4400-000x VBSSM-MP2/4 MPEG-2 or MPEG-4. This device has a different
enclosure with a single video input that supports
two channels. It also supports RS-422 passthrough.
VBSSM-MP2 does not.
9174-4200-000x VBSSM-MP4 No audio.
9175-4200-000x VBSSM-MP4 With audio.
†See the VBrick Appliance Getting Started Guide for VBSSM rear panel drawings.
Note VBrick WM, MPEG-2, and MPEG-4 appliances all run the same codebase. The
configurable options and user interface vary according to the type of appliance (e.g.
MPEG-2, MPEG-4, etc.) on which the code is installed.