RS
‐
232/485
RF
Modem
Product
Manual
–
MAN0782
‐
02
Page
v
Contents
1. Horner RS-232/485 RF Modem
7
Features
7
Worldwide Acceptance
7
Specifications 8
RS-232/485 Interface
9
2. Interfacing Protocols
10
RS-232 Operation
10
DIP Switch Settings & Pin Signals
10
RS-485 (2-wire) Operation
13
DIP Switch Settings & Pin Signals
13
RS-485 (4-wire) & RS-422 Operation
14
DIP Switch Settings & Pin Signals
14
RS-485/422 Connection Guidelines
15
3. RF Operation
16
Serial Communications
16
RS-232 and RS-485/422 Data Flow
16
Host and RF Modem I/O Settings
16
Flow Control
17
Modes of Operation
18
Idle Mode
18
Transmit Mode
18
Receive Mode
20
Sleep Mode
21
Shutdown Mode
21
Command Mode
22
RF Communication Options
24
Addressing Options
24
Streaming Mode
25
Acknowledged Mode
26
Multi-Transmit Mode
28
4. Advanced Programming
29
Automatic DIP Switch Configurations
29
Programming the RS-232/485 RF Modem
30
AT Command Examples (RadioSet Software)
30
Binary Command Example
31
Command Descriptions (Short)
32
Command Descriptions (long)
33
Appendix A: Agency Certifications
51
FCC Certification
51
Labeling Requirements
51
FCC Notices
52
FCC-Approved Antennas (900 MHz)
53
IC (Industry Canada) Certification
55
Appendix B: Additional Information
56
Technical Support
56