| Type | GPX28D1-GB-4 | GPX28D2-GB-4 | GPX28D3-GB-4 |
| Standard Capacity(Unit:Core) | 504 | 576 | 720 |
| Dimensions(H×W×D,Unit:mm) | 2,000×840×300 | 2,200×840×300 | 2,600×840×300 |
| Material | Metal plate | Metal plate | Metal plate |
| Adapter Type | LC,SC,FC,etc. |
| Connector Insertion Loss(Units:dB) | ≤0.3 |
| Insert-Extract Durability (Units:Times) | 1000 |
| Return Loss(Units:dB) | PC≥45 dB,UPC≥50 dB,APC≥60 dB |
| Operating Environment | Indoor |
| Standards Compliance | Meets Chinese national standards including YD/T788-2011,GB/T2423-2008,GB/T3873-1998,and GB/T9286-1998,and internationalstandards,including IEC standards including IEC61300-3-15.IEC 61300-3-16,IEC 61300-3-17,and IEC 61300-3-23. |
| Operating Temperature | -40℃ to+60℃ |
| Ambient Humidity | ≤95%(+40℃) |
| Atmospheric Pressure | 70 kPa to 106kPa |
| Insulation Resistance | Insulation resistance between the grounded and metal parts of the cabinet≥2×10⁴MQ/500V(DC) |
| Withstand Voltage(Unit:V) | Withstand voltage between the grounded part and metal parts of the cabinet≥3,000V (DC)/1min |