ECW-281B/B2-D525 Embedded System
Page 27
communication channel but, with the COM6 function select jumper, can be configured as
either an RS-422 or RS-485 serial communications channel.
Figure 3-11: RS-232/422/485 Serial Port Connector Location
PIN NO. DESCRIPTION
PIN NO.
DESCRIPTION
1 NDCD
2 NDSR2
3 NRX
4 NRTS2
5 NTX
6 NCTS2
7 NDTR
8 NRI2
9 GND
10 GND
11 /
12 TXD422-/TXD485-
13
14 RXD422-
Table 3-11: RS-232/422/485 Serial Port Connector Pinouts
NOTE:
The RS-422/485 function is an optional choice of the ECW-281B-D525
Series. The COM6 connector on the rear panel of the standard
ECW-281B-D525 Series only provides RS-232 serial communication.
Summary of Contents for ECW-281B-D525
Page 13: ...ECW 281B B2 D525 Embedded System Page 1 Chapter 1 1 Introduction ...
Page 20: ...ECW 281B B2 D525 Embedded System Page 8 Chapter 2 2 Mechanical Description ...
Page 26: ...ECW 281B B2 D525 Embedded System Page 14 Chapter 3 3 System Components ...
Page 41: ...ECW 281B B2 D525 Embedded System Page 29 Chapter 4 4 Installation ...
Page 61: ...ECW 281B B2 D525 Embedded System Page 49 Figure 4 20 Power Button ...
Page 62: ...ECW 281B B2 D525 Embedded System Page 50 5 BIOS Chapter 6 ...
Page 91: ...ECW 281B B2 D525 Embedded System Page 79 Chapter 6 6 Troubleshooting and Maintenance ...
Page 97: ...ECW 281B B2 D525 Embedded System Page 85 A Safety Precautions Appendix A ...
Page 102: ...ECW 281B B2 D525 Embedded System Page 90 B BIOS Menu Options Appendix B ...
Page 105: ...ECW 281B B2 D525 Embedded System Page 93 C Watchdog Timer Appendix C ...