Primary power
Primary power for the PSR-1 is provided
by the MPS-6/6W or MPS-12/12W.
Both of these mount in the lower right-
hand corner of the MXL enclosure.
Follow the instructions below for the
appropriate power supply.
MPS-6/6WInstall the MPS-6/6W
(See MPS-6/6W Installation Instruc-
tions, P/N 315-090334). With the AC
mains disconnected, connect the
MPS-6/6W power cable to P12 of the
PSR-1. Be sure that the jumper
assembly is installed in P10 of the
PSR-1. If this jumper is not installed,
the PSR-1 will detect a permanent
AC fail or indicate auxiliary power
voltage is low.
MPS-12/12WInstall the MPS-12/12W
(See MPS-12/12W Installation Instruc-
tions, P/N 315-092030). Remove and
discard the jumper assembly installed in
P10 of the PSR-1. Disconnect the AC
mains. Connect the MPS-12/12W
power cable to P10 of PSR-1.
PSR-1, NET-4, NET-7, NET-7M
Connections and Ratings
4 - 79
Battery backup
Battery backup is required for the PSR-1.
To determine the size battery you
must use, refer to Appendix C - MXL
Battery Calculations on page C-1.
Connect the 24V backup batteries to
P8 of PSR-1.
Making the network connection (TB4)
For the PSR-1 to communicate with
the MXL, a NET-4 or NET-7 network
interface card must be installed into P7
of the PSR-1. For a NET-4, connect the
MXL network (MMB-1/-2) to terminals
1 and 2 of TB4. Terminate the shield at
the MMB-1/-2 only. For a NET-7, refer
to Figure 2 of the NET-7 Installation
Instructions, P/N 315-091914 and
connect the network to terminals 1, 2,
3, and 4. When the PSR-1 is used as a
stand alone power supply, neither
NET-4 nor NET-7 is needed.
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