Sony AR-B1570 18 COM1, COM2 CN5, CN6, RS-232/RS-485 Select for COM1 P2 & P3, RS-485 Header J9

Page 24

AR-B1570 Users Guide

3.2.18 COM1, COM2 (CN5, CN6)

CN5 (COM1)

CN6 (COM2)

1

 

6

9

7

5

3

1

2

 

 

 

 

 

 

 

 

3

 

7

 

 

 

 

 

4

 

8

10

8

6

4

2

 

9

5

 

 

 

 

 

 

 

 

 

Figure 0-5 CN5 & CN6: RS-232 Connector

 

CN5

CN6

Signal

CN5

DB6

 

Signal

1

1

/DCD

8

6

 

 

/CTS

6

2

/DSR

4

7

 

 

/DTR

2

3

RXD

9

8

 

 

/RI

7

4

/RTS

5

9

 

 

VCC

3

5

TXD

--

10

 

 

VCC

Table 0-3 RS-232 Connector Pin Assignment

(1) RS-232/RS-485 Select for COM1 (P2 & P3)

The P2&P3 jumper is used to choose between the use of the on-board RS-232 or RS-485 for the CN5 – COM1.

P3

1

1

P2

2

2

 

3

3

 

A B C

A B C

RS-232 RS-485

Factory Preset

Figure 3-10 P2 & P3: RS-232/RS-485 Select for COM1

(2) RS-485 Terminator Select (J2)

When there is only one line the setting should be left off, but if you are using multiple blocks on a single line this should be set to “ON” in order to properly terminate the connection for better transmission of data

1

2

1

2

OFF ON

Factory Preset

Figure 0-6 J2: RS-485 Terminator Select

(3) RS-485 Header (J9)

 

 

 

1

N485+

1

2

3

2

N485-

3

GND

 

 

 

 

 

J9

 

 

23

Image 24
Contents Industrial Grade CPU Board AR-B1570 User’s Guide Save & Exit Setup Exit Without Saving Preface Static Electricity Precautions Organization1SPECIFICATION OverviewPacking List CPU NS Geode GX1 BGAFeatures Award BiosCPU NS Geode GX1 System Controller MicroprocessorDMA Controller Keyboard Controller Interrupt ControllerInterrupt Controller 1 I/O Port Address Map Hex Range DeviceSSD Port Address MapTimer Real-Time Clock and Non-Volatile RAMAddress Description Real-Time Clock & Non-Volatile RAMSerial Port Modem Control Register MCR Line Status Register LSRModem Status Register MSR Divisor Latch LS, MSParallel Port Register AddressPrinter Interface Logic Data SwapperPrinter Control Latch & Printer Control Swapper Bit’s DefinitionSetting UP the System System SettingOverview External System LocationHard Disk IDE Connector Pin Hard Disk IDE Connector CN8Pin Hard Disk IDE Connector CN7 Pin SignalFDD Port Connector CN3 Hard Disk IDE1 ConnectorFDD Pin Assignment Ethernet RJ-45 Connector LAN1 4 PS/2 KB/Mouse Connector CN4 & PS1Reset Header J7 PS-ON Header CN9Power Connector PWR2 CRT Connector P4LCD Panel Display Connector LCD1 P4 CRT ConnectorUSB ConnectorUSB1 LED Header J8LCD Display Pin Assignment Pin Description13 PC104 Connector Pin PC/104 Connector Bus a & B PC104Pin PC/104 Connector Bus C & D PC104 Parallel Port Connector CN2 16 Ext. Battery CN1Battery Jumper JP2 15 IR. Header J1RS-232 Connector Pin Assignment 18 COM1, COM2 CN5, CN6RS-232/RS-485 Select for COM1 P2 & P3 RS-485 Terminator Select J2Touch Screen Connector J3 & J4 ATX Power External Bottom Connector J620 D.O.C. Memory Address Select JP1 Installation Driver InstallationUtility Diskette Watchdog Timer Watchdog Block DiagramDisk Watchdog Timer Setting Watchdog Timer TriggerIRQ Bios Console Bios Setup OverviewBios Setup Main Menu Standard Cmos Setup Date & Time SetupHard Disk Setup Floppy SetupHalt On EGA/VGAMono Bios Features Setup Typematic Rate Setting Typematic Delay MsecVideo Bios Shadow Memory Parity CheckChipset Features Setup Bit I/O Cycle Recovery TimeChipset Features Setup Sdram CAS latency TimePNP/PCI Configuration Load Default SettingLoad Bios Defaults Load Setup DefaultsIntegrated Peripherals Password Setting Bios ExitIDE HDD Auto Detection