ADLINK Technology GEME-4000 Series, Руководство пользователя

Страница: 64 / 73

56
•
Extension Modules
5.6 PMC-3544G
„ 5.6.1 Features
•
IRQ and IO address automatically assigned by PCI plug-n-play
•
communication ports with intelligent buffer
•
RS-422/485 hardware selectable
•
RS-485 with auto direction flow control
•
High speed concurrent communications (max. 115200 bps
„
5.6.2 Specifications
•
Compliant with PCI Spec.2.1
•
Serial communication controller:
•
16C550A compatible
•
System IO mapping:
•
Assigned by PCI BIOS
•
Shared IRQ
•
Flow control
•
RS-485 auto direction
•
Port Capability:
•
4ch RS-422/485 port (DIP switch select)
•
Baud rate: Each port can be configured to 50-115,200 bps
„ 5.6.3 Pin Assignment
Pin RS-422 RS-485
1 RX+ NC
2 TX+ NC
3 NC NC
4 NC
DATA+
5 GND GND
6 RX- NC
7 TX- NC
8 NC NC
9 NC DATA-