Microhard Systems MHX-2400, Operating Manual

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Contents
1. Introduction
1.0
Product Overview .............................................................................................................................................................................. 1
1.1 Features.............................................................................................................................................................................................. 1
1.2 About this Manual ............................................................................................................................................................................. 2
2. Initial Setup and Configuration
2.0
Unpacking and Inspection ................................................................................................................................................................. 3
2.1 Additional Requirements ................................................................................................................................................................... 3
2.2 Connectors and Indicators.................................................................................................................................................................. 3
2.3 Configuration ..................................................................................................................................................................................... 6
2.4 Checking the Link............................................................................................................................................................................... 6
3. Configuration Options
3.0
Command Line Interface.................................................................................................................................................................... 9
3.1 AT Commands................................................................................................................................................................................. 10
A - Answer........................................................................................................................................................................................ 10
E - Command Echo.......................................................................................................................................................................... 10
I - Identification ............................................................................................................................................................................... 10
O - Online Mode .............................................................................................................................................................................. 11
Q - Quiet Mode................................................................................................................................................................................ 11
V - Result Codes Display................................................................................................................................................................. 11
W - Connection Result..................................................................................................................................................................... 11
Z - Reset Modem and load stored configuration .............................................................................................................................. 11
&C - DCD (Data Carrier Detect) ..................................................................................................................................................... 11
&D - DTR (Data Terminal Ready)................................................................................................................................................... 11
&F - Load Factory default configuration ......................................................................................................................................... 12
&K - Handshaking ............................................................................................................................................................................ 12
&S - DSR (Data Set Ready)............................................................................................................................................................. 12
&V - View Configuration ................................................................................................................................................................. 12
&E - Framing Error Check................................................................................................................................................................ 12
&W - Write Configuration to memory ............................................................................................................................................. 12
Sxxx? - Read S register value........................................................................................................................................................... 12
Sxxx=yyy - Set S register value ....................................................................................................................................................... 12
3.2 Command Result Codes................................................................................................................................................................... 13
3.3 S Registers ....................................................................................................................................................................................... 14
S Register 2 - Escape Code ............................................................................................................................................................... 14
S Register 3 - CR Control Code....................................................................................................................................................... 14
S Register 4 - Linefeed Control Code .............................................................................................................................................. 14
S Register 5 - Backspace Control Code ........................................................................................................................................... 14
S Register 101 - Operating Mode..................................................................................................................................................... 15
S Register 102 - Serial Baud Rate.................................................................................................................................................... 17
S Register 103 - Wireless Link Rate ................................................................................................................................................ 17
S Register 104 - Network Address ................................................................................................................................................... 18
S Register 105 - Unit Address.......................................................................................................................................................... 18
S Registers 106 and 206 - Primary and Secondary Hopping Patterns.............................................................................................. 18
S Register 107 - Encryption Key...................................................................................................................................................... 20
S Register 108 - Output Power Level............................................................................................................................................... 20
S Register 109 - Hopping Interval.................................................................................................................................................... 21
S Register 110 - Data Format............................................................................................................................................................ 21
S Registers 111 and 112 - Packet Minimum and Maximum Size..................................................................................................... 22
S Register 116 - Packet Character Timeout ...................................................................................................................................... 22
S Registers 113 and 213 - Packet Retransmission/Packet Retry Limit ............................................................................................. 23
S Register 115 - Packet Repeat Interval........................................................................................................................................... 24
S Register 117 - Modbus Mode ........................................................................................................................................................ 24
S Register 120 and 121- RTS/DCD Framing/Timeout ..................................................................................................................... 25
S Register 123 - RSSI Reading ......................................................................................................................................................... 25
A. Modem Command Summary ...................................................................................................................................................................... 26
B. Serial Interface ............................................................................................................................................................................................ 29
C. Sample Schematic Diagram ........................................................................................................................................................................ 31
D. Factory Default Settings.............................................................................................................................................................................. 33
E Performance Tables...................................................................................................................................................................................... 34
F. Hopping Tables............................................................................................................................................................................................ 35
G. Technical Specifications ............................................................................................................................................................................. 36
H. Glossary ...................................................................................................................................................................................................... 38