Table 3-10 System specications
Item Technical Specications
AC input 220/380 V AC three-phase four-wire
DC power conguration ● LLVD: four 125 A circuit breakers
● BLVD: one 63 A and three 125 A circuit breakers
NOTE
When the circuit breaker is switched o, the –48 V (–) loop is
disconnected, but the RTN (+) loop is not disconnected.
Cabling mode Routed in and out from the front
Dimensions (H x W x D) 132 mm x 442 mm x 330 mm
3.2.2 Power Subrack ETP48400-C3B1
The ETP48400-C3B1 is embedded power systems that convert AC power into DC
power. They supply –48 V or –57 V constant voltage to telecommunications
equipment. The maximum capacity of the ETP48400-C3B1 is 24 kW.
Figure 3-15 ETP48400-C3B1 appearance
(1) Ground screw
(2) AC input module (3) Space for LLVD power
distribution
(4) SMU02C (5) Space for BLVD power
distribution
(6) Battery wiring ports
(7) Reserved slot for CIM02C/
NIM01C3/GIM01C
(8) UIM05B1 (9) Space for rectiers,
M48500N1, S4875G1 and
PCU-01A
Table 3-11 System specications
Item
Description
AC input system 220/380 V AC three-phase four-wire, compatible with
220 V AC single-phase
iSitePower Integrated Smart Site (ICC1000-A1-E1)
User Manual 3 Components
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