Chapter 1 Introduction
1-2 Kronos Incorporated
The Series 400 Terminal and Its Parts
Before you do any maintenance or troubleshooting of the Series 400 terminal, you
should become familiar with its parts. You also should be familiar with the option
boards that are available with the terminal.
Mainboard
Kronos provides two types of mainboards for the Series 400 terminal: the 186
board and the 177 board. Some of the connections on the 177 board differ from
the connections on the 186 board. The following figure shows in detail the 186
mainboard and its connector locations: