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INSTALLATION AND SETUP • REAR PANEL
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VCRs, tape recorders, amplifiers, and other audio devices. These outputs may
be configured to contain any combination of gated and non-gated inputs. The
nominal output level is 0dBm.
6.
Inputs 9-12
These Phoenix connectors (see Figures 2 and 9) are for
connection of up to four line-level inputs. These are typically used for
connection of VCRs, tape players, CD players, and other audio sources. They
can be routed to any output or multiple outputs. Nominal level is 0dBu.
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. Expansion Bus In This RJ45 connector (see Figures 2 and 10) is used for
connecting additional PSR1212 units. The first PSR1212 unit in the local
Expansion Bus network must have the EXPANSION BUS IN connector
terminated with an Expansion Bus terminator. The first PSR1212’s EXPANSION
BUS OUT connector is attached to the EXPANSION BUS IN connector on the
next PSR1212, forming a daisy-chain network.
8. Expansion Bus Out
This RJ45 connector (see Figures 2 and 10) is used for
connecting additional PSR1212 units. The last PSR1212 in the local Expansion
Bus network must have the EXPANSION BUS OUT connector terminated with
an Expansion Bus terminator. The first PSR1212’s EXPANSION BUS OUT
connector is attached to the EXPANSION BUS IN connector on the next
PSR1212, forming a daisy-chain network.
9.
RS-232 This female DB9 serial port (see Figures 2 and 11) is for
interconnection between the PSR1212 and a PC, modem, or other custom
remote controller. For serial protocol, see Appendix B: Connector Pinouts.
Expansion Bus Networking
This digital mix-minus bus allows audio routing between destinations on the
Expansion Bus network. It contains 12 independent digital audio buses
labeled O-Z and four PA Adapt reference buses. Each audio bus can route
mic or line-level inputs in any combination across the Expansion Bus network.
These buses are divided into two groups—O-R buses and S-Z buses—based
on their capabilities and default settings.
O-R Buses
These audio buses are defaulted routed to the O bus as the mic
mix buses; they can communicate the NOM count across the network to other
PSR1212s. Otherwise, these buses are identical to buses S-Z.
S-Z Buses
These eight buses are defaulted as auxiliary mix buses. They are
used to route auxiliary audio, such as from a CD player or VCR, to and from
other units on the network. These buses are also used as mic mix buses when
NOM count is not required.
P
A Adapt Reference Buses These buses provide a system-wide bus for input
channels to receive a reference input for PA Adaptive Mode. See page 41 for
more information about PA Adaptive Mode.
Figure 7. Outputs 1-8
Figure 8. Outputs 9-12
Figure 9. Inputs 9-12
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