3. Hardware Installations
SPI-8550-LLVAS
23
RS-422 / RS-485 specifications
-
Transmission system: Asynchronous, half-/full-duplex serial transmission conforming to
RS-422/RS-485
-
Baud rate: 50 - 115,200bps (programmable)
-
Signal extensible distance: 1.2km Max.
RTS#
JP8: 7-8
TXD
D
JP8: 5-6
JP8: 4-6
R
RXD
47
k
Ω
6.2
k
Ω
6.2
k
Ω
47
k
Ω
R
CTS#
47
k
Ω
6.2
k
Ω
6.2
k
Ω
47
k
Ω
RTS#
D
JP7: 3-4
120 Ω
JP7: 1-2
120 Ω
JP7: 7-8
120 Ω
10 5
6 1
JP7: 5-6
120 Ω
+5V
CN14
Terminating Resister
Figure 3.1. RS-422 / RS-485 specifications
Summary of Contents for SPI-8550-LLVAS
Page 7: ...vi SPI 8550 LLVAS...
Page 13: ...1 Introduction 6 SPI 8550 LLVAS...
Page 19: ...2 System Reference 12 SPI 8550 LLVAS...
Page 47: ...4 Jumper Setting 40 SPI 8550 LLVAS...