Pepper Computer Modular Computers RS485 - Manual (Page 300)

SMART I/O User’s Manual
October 01, 1996 ©1996 PEP Modular Computers GmbH Page 6- 18
Chapter 6 Communications Modules
6.2.3 Front Panel Layout
6.2.4 Board Overview
Component Side
Red LEDs
User Descriptor
Fields
2 16
BU1 BU2
LED 0 LED 1
PROM
Optocouplers
1 15
2 16
1 15
FPGA
EEPROM
X2
X1
Crystal
J1
An option to install
a 12-bit DAC on a
special piggyback is
reserved for future use.