| Model No. | Description |
| PM-7500-2MSC | Fast Ethernet module with 2 100BaseFX multi-mode ports with SC connectors. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-2MST | Fast Ethernet module with 2 100BaseFX multi-mode ports with ST connectors. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-2SSC | Fast Ethernet module with 2 100BaseFX single-mode ports with SC connectors. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-4MSC | Fast Ethernet module with 4 100BaseFX multi-mode ports with SC connectors. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-4MST | Fast Ethernet module with 4 100BaseFX multi-mode ports with ST connectors. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-4SSC | Fast Ethernet module with 4 100BaseFX single-mode ports with SC connectors. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-2GTXSFP | Gigabit Ethernet module with 2 100/1000BaseSFP slots or 2 100/1000BaseT(X) ports. compliant with IEC 61850-3. -40 to 85°C operating temperature |
| PM-7500-4GTXSFP | Gigabit Ethernet module with 4 100/1000BaseSFP slots or 4 100/1000BaseT(X) ports. compliant with IEC 61850-3. -40 to 85°C operating temperature |