Embedded power supply ETP4890-A2 48V 90A SMU01C (COM port management)
ETP4890-A2 48V 90A 01C Telecom Power System -
is a device with a built-in DC power supply system (with the possibility of converting AC input to a stabilized DC output (48V)) designed to provide safe and uninterrupted power supply for telecommunications equipment, including OLT devices.
The power system can accommodate up to 3 rectifiers and provide an output of up to 90A.
The power system has been designed to meet the high reliability requirements of modern telecommunications.
The power system is equipped with intelligent battery management and remote monitoring functions.
The set includes: SMU01C 48V 30A monitoring unit, 3x R4830G/R4830N Rectifiers (53.5VDC-30A).
ETP4890-A2 48V 90A Telecom Power System -
Designed for installation in a 19-inch floor-standing or wall-mounted telecommunications cabinet.
2U standard construction, occupying very little space.
| Specification | |
| AC Input mode and Voltage |
220V AC single-phase compatible with 220/380V AC three-phase, four-wire Input range: 85V AC to 300V AC (phase voltage) Rated input: 220V AC to 240V AC (phase voltage) 110V AC dual-live-wire Input range: 85V AC to 300V AC (line voltage) Rated input: 220V AC to 240V AC (line voltage) |
| AC Input frequency | 45–66Hz (rated frequency: 50/60Hz) |
| AC Input Distribution | M6 OT terminal |
| Power factor | ≥ 0.99 (rated load) |
| Input voltage frequency | 45Hz to 65Hz |
| DC Output |
1× 10A/1P (LOAD1: 2 ports), 1× 30A/1P (LOAD2: 2 ports), 1× 40A/1P (LOAD3: 1 port), 1× 40A/1P (LOAD4: 1 port), |
| DC Output voltage range | -42V DC to -58V DC |
| Maximum output power | 4800W |
| Surge protection capability |
For AC power ports, Differential mode: 5kA Common mode: 5kA |
| Dimension | Height: 2U, Width: 19", Depth: 255mm (rackmount) |
| Weight | ≤10 kg (fully loaded) |
| Operating temperature | -40ºC to +70ºC |
| Operating humidity | 5%–95% RH (non-condensing) |
| Storage humidity | 5%–95% RH (non-condensing) |
| Manufacturer | Huawei |
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