TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
A Technical Specifications
Issue 07 (2020-04-10)
Copyright © Huawei Technologies Co., Ltd.
83
Category
Item
Specifications
Total harmonic distortion
(THD)
< 5% (rated input; 50%–100% load)
DC output
Output voltage range
–42 V DC to –58 V DC
Default output voltage
–53.5 V DC
Output power
Maximum output power = Output power of a single
rectifier x Number of rectifiers.
Regulated voltage precision ≤ ±1%
Psophometrically weighted
noise
≤ 2 mV (300–3400 Hz)
Peak-to-peak noise
≤ 200 mV (rated input voltage and load; bandwidth ≤ 20
MHz)
AC input protection
AC input overvoltage alarm
threshold
290 V AC ±10 V AC (rectifier input voltage), hysteresis ≤
10 V AC
AC input undervoltage
alarm threshold
170 V AC ±10 V AC (rectifier input voltage), hysteresis ≤
10 V AC
AC input overvoltage
protection threshold
305 V AC ±10 V AC (rectifier input voltage), 5 V AC ≤
hysteresis ≤ 15 V AC
AC input undervoltage
protection threshold
85 V AC ±3 V AC (rectifier input voltage), hysteresis > 5
V AC, max. undervoltage protection recovery threshold
90 V AC ±3 V AC
DC output protection
DC output overvoltage
alarm threshold
Default value: –58.5 V DC ±0.3 V DC
DC output overvoltage
alarm recovery threshold
Default value: –58.0 V DC ±0.3 V DC (0.5 V DC lower
than the overvoltage alarm threshold)
DC output undervoltage
alarm threshold
Default value: –45.0 V DC ±0.3 V DC
DC output undervoltage
alarm recovery threshold
Default value: –45.5 V DC ±0.3 V DC (0.5 V DC higher
than the undervoltage alarm threshold)
Electromagnetic
compatibility (EMC)
Conducted emission
(CE)/Radiated emission
(RE)
EN300386, Class A
Harmonic current
EN61000-3-12
Voltage fluctuation and
flicker
EN61000-3-11
ESD
EN61000-4-2
Enclosure port: 6 kV (criterion B) contact discharge; 8 kV
(criterion B) air discharge
Signal port: 2 kV (criterion R) contact discharge
