| PartNumber | ADAM-6520L-AE | ADAM-6521-BE | ADAM-6520I-AE |
| Description | Ethernet Modules 5-port 10/100 Mbps Unmanaged Switch | Ethernet Modules 5-port Switch w/1 Multi-Mode Fiber-Optic Port | Ethernet Modules 5-port Wide Operating Temp. Industrial Switch |
| Manufacturer | Advantech | Advantech | Advantech |
| Product Category | Ethernet Modules | Ethernet Modules | Ethernet Modules |
| RoHS | Y | Y | Y |
| Product | Ethernet Switches, Unmanaged | Ethernet Switches, Unmanaged | Ethernet Switches, Unmanaged |
| Number of Ports | 5 Ethernet | 4 Ethernet, 1 Fiber Optic | 5 Ethernet |
| Data Rate | 100 Mb/s | 100 Mb/s | 100 Mb/s |
| Interface Type | RJ-45 | RJ-45 | RJ-45 |
| Operating Supply Voltage | 10 V to 30 V | 10 V to 30 V | 10 V to 30 V |
| Minimum Operating Temperature | 0 C | - 10 C | - 40 C |
| Maximum Operating Temperature | + 60 C | + 65 C | + 85 C |
| Description/Function | 5-port industrial 10/100 Mbps unmanaged ethernet switch | Industrial ethernet switches with 4 x 10/100Base-TX ports and 1 x 100Base-FX fiber optic port | 5-port industrial 10/100 Mbps ethernet switch with wide operating temperature |
| Dimensions | 102 mm x 70 mm x 27 mm | 112 mm x 70 mm x 27 mm | 102 mm x 70 mm x 27 mm |
| Power Consumption | 3 W | 3 W | 2.4 W |
| Series | ADAM-6520L | ADAM-6521 | ADAM-6520I |
| Brand | Advantech | Advantech | Advantech |
| Product Type | Ethernet Modules | Ethernet Modules | Ethernet Modules |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Ethernet & Communication Modules | Ethernet & Communication Modules | Ethernet & Communication Modules |
| Unit Weight | 9.361709 oz | 11.287668 oz | 10.229449 oz |