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IX-PWSES
The IX-PWSES power supply generates the DC voltages required for system
operation. The DC output voltages of the power supply are +5 VDC, +8
VDC, -8 VDC and +24 VDC. These voltages are converted from the 120
VAC commercial power supply. This power source supports a single IX-
CME cabinet does not support a battery backup.
IX-EXPWS
The IX-EXPWS power supply generates the DC voltages required for the
ECS expansion modules. The DC output voltages of the power supply are
+5 VDC, +8 VDC, -8 VDC and +24 VDC. These voltages are converted
from the 120 VAC commercial power supply or the +24 VDC emergency
backup battery.
IX-DCDCM
This unit provides -48 VDC talk battery. Required for off-premise single
line telephones (IX-4SUBL), E&M Tie Lines (IX-4EMTK), and Ground
Start outside lines (IX-8UNTK). The IX-DCDCM must be installed on the
same shelf as the cards mentioned above.
IX-PMMSG
This unit is connected to the IX-8SUBM-2 card and provides +90 VDC
power required for single line telephones with message lamps. The power is
supplied only to the IX-8SUBM-2 card to which the IX-PMMSG is
connected.
IX-RNGUM
This unit provides 90 VAC ringing voltage at 20 Hz. for single line
telephones. Required for any IX-4SUBL or IX-8SUBS-2 card installed in
the Iwatsu Enterprise-CS.
IX-BACBB
Battery Connecting Cable for power failure back-up.
BATTERY BACK-UP
Backup time is dependent upon battery array, system size and usage.
GENERAL DESCRIPTION - 33
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