Motorola CPCI-6115 Service Manual Page 45

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Chapter 3 Platform Description
CPX8216 and CPX8216T Installation and Use (6806800A52C)
25
Dual Breaker DC Power Distribution Panel (CPX8216)
The dual breaker 48VDC version also allows redundant input power supplies for full high-
availability applications. It is recommended that each input source be independent of the other.
This power distribution panel has two 30A push/pull circuit breakers and is designed for use with
a Smart cable that includes breakers and additional circuitry that detect the failure of a single
input DC power supply.
The dual breaker DC power distribution panel is available without the two 30A circuit breakers,
provided that circuit breaker protection is provided elsewhere and there is allowance for a rating
of 30A for each feed.
H.110 DC Power Distribution Panel (CPX8216T)
The H.110 DC power distribution panel provides dual DC input for chassis power as well six
additional power input connectors for the H.110 BAT and Ring Voltages. The H.110 DC power
distribution panel is only compatible with the CPX8216T chassis.
!
Caution
Caution
The six H.110 power inputs must only be attached to approved Telephone Network
Voltage (TNV) branch circuits. TNV branch circuits must comply with all requirements
called for in these safety standards: IEC 950/EN60 950, UL #1950, and CSA #950.
Attaching those inputs to non-TNV-approved power sources will cause the chassis to
fail compliance with safety regulations and may cause damage to the chassis
backplane and chassis components.
Figure 3-11. Dual Breaker DC Power Distribution Panel
Figure 3-12. H.110 DC Power Distribution Panel
2573 9907
-48 VDC
-48 VDC
-48 VDC
-48 VDC
ON ON
RTN
-VBAT
VBAT RTN
VRG
VRG RTN
-SEL VBAT
SEL VBAT RTN
RTN
System Power
Terminal Blocks
H.110 BAT and
Ring Voltage
Terminal Block
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