Connect Tech NT960/PCI - Manual (Page 64)

4-12 Chapter 4: Appendix D - RS-485/422 Option
Intellicon-NT960/PCI User's Manual, ver. 0.02
Appendix D: RS-485/422 Option
Introduction
You may order the ACM/Flex16 external module with RS-
485/422 Serial Line Interface Modules (SLIM). The RS-485/422
SLIM offers the following features:
ƒ DIP switch selectable line load and bias options.
ƒ Each SLIM controls four ports.
ƒ LEDs on the ACM/Flex16 indicate the electrical interface in
use for a specific group of four ports.
ƒ SLIMs are field upgradeable, providing you with more
flexibility for your application.
Please refer to Figure 15 for a partial schematic of the RS-
485/422 SLIM.