The GE DS200UPLAG1A DS200UPLAG1ABA provide dedicated power for LAN communication boards in Mark V systems. These LAN power supply boards convert main DC power to stable network voltages. You can use either board to power Ethernet and serial communication modules. The units ensure clean, isolated power for reliable network operation.
Power and Electrical Specifications
| Parameter | Specification |
|---|---|
| Brand | General Electric |
| Model | DS200UPLAG1A DS200UPLAG1ABA |
| Product Type | LAN Power Supply Board |
| Input Voltage | 125 VDC or 250 VDC |
| Output Voltage 1 | 5 VDC (3 A) |
| Output Voltage 2 | 24 VDC (1.5 A) |
| Output Power | 50 W continuous |
| Efficiency | 82% typical |
| Isolation Voltage | 2500 VDC (input to output) |
| Ripple & Noise | < 50 mV peak-to-peak |
The GE DS200UPLAG1A DS200UPLAG1ABA accept 125 or 250 VDC input from the main system. These LAN power supply boards deliver 5 VDC at 3 amps for logic circuits. You also get 24 VDC at 1.5 amps for communication transceivers. The units provide 2500 VDC isolation between input and output sections.
Physical Dimensions and Weight
| Parameter | Specification |
|---|---|
| Weight | 0.48 kg (1.06 lbs) |
| Length | 235 mm |
| Width | 152 mm |
| Thickness | 1.6 mm (PCB) |
| Component Count | 156 discrete parts |
| Mounting Holes | 4 (M4 clearance) |
| PCB Layers | 4-layer FR4 |
| Solder Mask | Green (both sides) |
Each LAN power supply board weighs 0.48 kg for secure chassis mounting. The unit measures 235 mm long by 152 mm wide. Its PCB thickness reaches 1.6 mm with four internal copper layers. You can mount either board using four M4 screws through the designated holes.
Interface and Connection Points
A 6-pin terminal block handles 125/250 VDC input connections. Two 4-pin headers provide 5 VDC and 24 VDC output to LAN boards. The GE DS200UPLAG1A DS200UPLAG1ABA include a 2-pin connector for remote status monitoring. You will find four LED indicators showing input and output status. Additionally, six test points provide access for voltage measurements.
Energy Storage and Internal Circuitry
These LAN power supply boards store significant energy for hold-up purposes. Eight electrolytic capacitors provide 2,400 µF of total bulk storage. These capacitors maintain outputs for 50 ms after input power loss. The boards do not contain any battery for configuration retention. A large bleeding resistor discharges capacitors within 30 seconds after power-off.
Component Layout and Construction
A high-frequency DC-DC converter operates at 100 kHz for efficient conversion. The board includes input filtering for electromagnetic compatibility. You will find 68 resistors, 52 capacitors, and 8 integrated circuits on the board. The GE DS200UPLAG1A DS200UPLAG1ABA include overcurrent and overvoltage protection circuits. A metal shield covers the converter section for EMI reduction.
Variant Equivalence and Use
The GE DS200UPLAG1ABA represents a functional equivalent or later revision. Both versions share identical dimensions, connectors, and mounting hole locations. You can substitute one for the other without hardware modifications. Transitioning to these boards restores LAN power functionality to Mark V systems. Use GE DS200UPLAG1A DS200UPLAG1ABA to power SLCC and similar communication boards. For best results, allow 30 seconds for capacitor discharge before servicing.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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