GE Grid Solutions
D20/D200 Technical Overview
GE Information
PRPI-019-3.00-10
11
The D20 can support up to:
•
Two D.20 ports, each supporting up to 31 I/O peripherals, without repeaters, and 120 I/O
peripherals, with repeaters
•
21 RS-232 or RS-485 ports (7 per processor board)
•
Two Ethernet channels
Figure 4 D20 System Architecture