Table of Contents
| Modbus RTU Message | 25 |
| Modbus Serial Control | 25 |
| Modbus TCP Message | 26 |
| Model | 26 |
| Network Mode | 26 |
| Network Protocols | 26 |
| Password | 27 |
| Port# ID Remap | 27 |
| Serial Interface Modes | 27 |
| Modbus Gateway Name | 28 |
| Gateway Serial Port Number | 28 |
| Subnet Mask | 28 |
| TCP (Transmission Control Protocol) | 29 |
5. | Upgrading the Modbus Gateway Firmware | 30 |
| Downloading Firmware Files | 31 |
| Uploading the Firmware to the Modbus Gateway | 31 |
6. | Diagnostics | 33 |
| Testing a Modbus Gateway Connection | 33 |
7. | Application Examples | 35 |
| From Serial Master to Modbus Gateway, Slave IDs Configurable | 35 |
| From Serial Masters To Ethernet Master, Slave IDs Fixed | 36 |
| Keep Serial Master, Add Ethernet Master(s) | 36 |
| Modbus RTU, ASCII, and TCP Integration | 37 |
8. | Modbus Help | 38 |
| Modbus ASCII/RTU Basics | 38 |
| Hints and Tips | 39 |
9. | Appendices | 40 |
| Appendix A: Default Gateway Settings | 41 |
| Appendix B: Product Specifications | 42 |
| General Specifications | 43 |
| Controls, Indicators and Connector Specifications | 44 |
| Serial Interface Specifications | 45 |
| Network Specifications | 46 |
| Appendix C: Dimensional Diagrams | 47 |
| Appendix D: Connector Pinouts | 51 |
| 51 | |
| 53 | |
| 54 | |
| Standard Ethernet Cable | 55 |
10. | Glossary | 56 |
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