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Linear Acoustic UPMAX v4 User Guide
2.3
Rear Panel
The rear panel of the UPMAX v4 contains its electrical I/O.
2.3.1
Connection Ports
All of the UPMAX v4's connections are on the rear panel and are described in detail below.
See Chapter 5: Specifications for specific pinouts.
•
Metadata I/O: RS-485 connection accepts the metadata output of any SMPTE
RDD6 (i.e. Dolby) compliant metadata source. Can be used to control upmixing and
recall of presets.
•
SDI Input/SDI Output: Allows access to all 16 audio channels for embedding and
de-embedding. VANC metadata per SMPTE 2020 can also be extracted.
•
GPI/O: Connect dry contact closures here to control upmixing on/off. Note that
GPI functions require held closures for the duration of the desired function. Status of
GPI will be reflected on the corresponding GPO pin.
•
ETHERNET: Used for software upgrades and SNMP monitoring.
•
Main Audio Input: Connect the 48kHz PCM signals to these inputs. The input chan-
nels are arranged as follows: 1/2 = Left front/Right front, 3/4 = Center/LFE, 5/6 =
Left surround/Right surround, and 7/8 = Stereo Aux input.
NOTE: Appropriate reference should be applied AND selected for proper operation.
•
Main Audio Outputs: Main 48kHz processed digital audio outputs. 1/2 = Left
Front/Right Front, 3/4 = Center/LFE, 5/6 = Left Surround/Right Surround.
•
7/8 (LoRo/LtRt) Output: A two channel downmixed version of the audio applied
to Inputs 1-6, or a time-aligned passthrough of the 7/8 input.
•
Monitor Control: Remote control of analog volume, mute, and return to reference us-
ing a standard rotary encoder, switches, and LEDs (with series resistors). A suitable
high-quality remote control is available from Linear Acoustic.
Figure 2-1 Rear Panel
10
Connections and Quick Setup
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