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| PartNumber | EKI-1521CI-CE | EKI-1521I-BE | EKI-1521CI-BE |
| Description | Servers 1-port Serial Device Server with Wide Temp & iso | Servers 1-port RS-232/422/485 Serial Device Server w/ Redundant Ethernet Ports, -40~75C | Servers 1-port RS-232/422/485 Serial Device Server w/ Redundant Ethernet Ports & Isolation, -40~75C |
| Manufacturer | Advantech | Advantech | Advantech |
| Product Category | Servers | Servers | Servers |
| RoHS | Y | Y | Y |
| Product | Device Servers | Device Servers | Device Servers |
| 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 | Ethernet, Serial | Ethernet, Serial |
| Operating Supply Voltage | 12 V to 48 V | 12 V to 48 V | 12 V to 48 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Dimensions | 36.6 mm x 140 mm x 95 mm | 36.6 mm x 140 mm x 95 mm | 36.6 mm x 140 mm x 95 mm |
| Power Consumption | 5.2 W | 5.2 W | 5.2 W |
| Security | Without Security | Without Security | Without Security |
| Series | EKI-1521 | EKI-1521 | EKI-1521 |
| Brand | Advantech | Advantech | Advantech |
| Product Type | Servers | Servers | Servers |
| 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 RS-232/422/485 serial device server with redundant ethernet ports | 1-port RS-232/422/485 serial device server with redundant ethernet ports and isolation |