Microtel Series 1000EX User Manual
Page 11
MICROTEL Series 1000EX Dialer
5
Description Of The 16 channel Expander Board
The the expander can accommodate up to 16 channels of any combination of inputs and
outputs. The expander has a RS-485 interface to the Series 1000EX dialer.
Inputs: The inputs consists of digital or analog.
(1) Health LED Illuminates when the board is operating correctly.
(2) Transmit LED Illuminates when the board is transmitting.
(3) Power Switch Turns power to the expander On/Off.
(4) Fuse(2A) is an easily accessible fuse that protects the expander board’s electronics.
(5) Address Switch determines which channels will be addressed. Adress ZERO
identifies the boards as having channels 10 through 25. Address ONE identifies the
board as having channels 26 through 41.
(6) Power Connectors
(7) Communications Connections
(8) Terminal Blocks