| PartNumber | ESU2-100 | ESU2-100IND | ESU2-400 |
| Description | Interface Modules USB 2.0 Serial Adapt er 8-Port RS-232 | Interface Modules USB 2.0 Serial Adptr 8-Port RS-232 Surge | Interface Modules 8Port USB-RS-232/422 /485 Serial Adapter |
| Manufacturer | B+B SmartWorx | B+B SmartWorx | B+B SmartWorx |
| Product Category | Interface Modules | Interface Modules | Interface Modules |
| RoHS | Y | Y | Y |
| Product | Serial Adapters | Serial Adapters | Serial Adapters |
| Type | USB to RS-232 | USB to RS-232 | USB to RS-232/RS-422/RS-485 |
| Number of Channels / Ports | 8 Port | 8 Port | 8 Port |
| Maximum Data Rate | 921.6 kb/s | 921.6 kb/s | 921.6 kb/s |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Interface Type | RS-232, USB | RS-232, USB | RS-232, RS-422, RS-485, UART, USB |
| Dimensions | 9.18 in x 5.25 in x 2.363 in | 9.18 in x 5.25 in x 2.363 in | 9.18 in x 5.25 in x 2.363 in |
| Brand | B+B SmartWorx | B+B SmartWorx | B+B SmartWorx |
| Product Type | Interface Modules | Interface Modules | Interface Modules |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Embedded Solutions | Embedded Solutions | Embedded Solutions |
| Unit Weight | 1.550 lbs | - | 1.650 lbs |
| Description/Function | - | - | Converter for USB to RS-422 or RS-485 |