| PartNumber | EKI-1221-CE | EKI-1221CI-BE | EKI-1221-BE |
| Description | Gateways 1-port Modbus Gateway | Gateways 1-port Modbus Gateway w/ Redundant Ethernet Ports & Isolation, -40~75C | Gateways 1-port Modbus Gateway w/ Redundant Ethernet Ports, -10~60C |
| Manufacturer | Advantech | Advantech | Advantech |
| Product Category | Gateways | Gateways | Gateways |
| RoHS | Y | Y | Y |
| Product | Modbus Gateways | Modbus Gateways | Modbus Gateways |
| Data Rate | 10 Mb/s, 100 Mb/s | 10 Mb/s, 100 Mb/s | 10 Mb/s, 100 Mb/s |
| Number of Ports | 2 Ethernet, 1 Serial | 2 Ethernet, 1 Serial | 2 Ethernet, 1 Serial |
| Interface Type | Serial | Serial | Serial |
| Operating Supply Voltage | 12 V to 48 V | 12 V to 48 V | 12 V to 48 V |
| Minimum Operating Temperature | - 10 C | - 40 C | - 10 C |
| Maximum Operating Temperature | + 60 C | + 70 C | + 60 C |
| Dimensions | 37 mm x 140 mm x 95 mm | 37 mm x 140 mm x 95 mm | 37 mm x 140 mm x 95 mm |
| Power Consumption | 5.2 W | 5.2 W | 5.2 W |
| Series | EKI-1221 | EKI-1221 | EKI-1221 |
| Brand | Advantech | Advantech | Advantech |
| Product Type | Gateways | Gateways | Gateways |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Ethernet & Communication Modules | Ethernet & Communication Modules | Ethernet & Communication Modules |
| Unit Weight | 1.041 lbs | - | - |
| Description/Function | - | 1-port modbus gateway with redundant ethernet ports and isolation | - |
| Security | - | Without Security | Without Security |