User`s manual
Table Of Contents
- 1. Introduction
- 2. Getting Started
- 3. Featured Functions
- Configuring Basic Settings
- Using Port Trunking
- Configuring SNMP
- Using Communication Redundancy
- Using Traffic Prioritization
- Using Virtual LAN
- Using Multicast Filtering
- Using Bandwidth Management
- Using Port Access Control
- Using IP Filter
- Using Auto Warning
- Using Line-Swap-Fast-Recovery
- Using Set Device IP
- Using Diagnosis
- LLDP
- Using Monitor
- Using the MAC Address Table
- Using System Log
- Using HTTPS/SSL
- A. MIB Groups
- B. Specifications
- C. Modbus/TCP Map

PT-7728 User’s Manual Specifications
C-21
Modbus information
Read Only Registers (Support Function Code 4) 1 Word = 2Bytes
Address Data Type Description
System Information
0x0000 1 word Vendor ID = 0x1393
0x0001 1 word Unit ID (Ethernet = 1)
0x0002 1 word Product Code = 0x0009
0x0010 20 word
Vendor Name = “Moxa”
Word 0 Hi byte = ‘M’
Word 0 Lo byte = ‘o’
Word 1 Hi byte = ‘x’
Word 1 Lo byte = ‘a’
Word 2 Hi byte = ‘\0’
Word 2 Lo byte = ‘\0’
0x0030 20 word
Product Name = “PT-7728”
Word 0 Hi byte = ‘P’
Word 0 Lo byte = ‘T’
Word 1 Hi byte = ‘-’
Word 1 Lo byte = ‘7’
Word 2 Hi byte = ‘7’
Word 2 Lo byte = ‘2’
Word 3 Hi byte = ‘8’
Word 3 Lo byte = ‘\0’
Word 4 Hi byte = ‘\0’
Word 4 Lo byte = ‘\0’
0x0050 1 word Product Serial Number
0x0051 2 word
Firmware Version
Word 0 Hi byte = major (A)
Word 0 Lo byte = minor (B)
Word 1 Hi byte = release (C)
Word 1 Lo byte = build (D)
0x0053 2 word
Firmware Release Date
Firmware was released on 2007-05-06 at 09 o’clock
Word 0 = 0x0609
Word 1 = 0x0705
0x0055 3 word
Ethernet MAC Address
Ex: MAC = 00-01-02-03-04-05
Word 0 Hi byte = 0x00
Word 0 Lo byte = 0x01
Word 1 Hi byte = 0x02
Word 1 Lo byte = 0x03
Word 2 Hi byte = 0x04
Word 2 Lo byte = 0x05