User`s manual

EM1500 User’s Manual www.rabbit.com 3
1.2.1 Hardware Highlights
• Low-EMI Rabbit 3000 microprocessor, running at 44.2 MHz
• 10/100Base-T Ethernet, RJ-45
• 9-wire DTE, RS-232 (also known as SER1)
• 9-wire DCE, RS-232 (aka SER2)
• Configurable RS-232 serial port on 10-pin header (aka SER3):
3- and 5-wire options, or 9-wire DTE at TTL levels
• 3-wire RS-232 serial port on 10-pin header (aka SER4)
• RS-485, half duplex (aka RS485)
• 5 digital I/0s on 10-pin header (PF0-4)
• 2 digital open collector outputs (OUT0 and OUT1) on 9-pin header
• 3 digital inputs (IN0-2) on 9-pin header, suitable for interfacing to mechanical switches or logic
level circuits
• SPDT relay contacts, allows EM1500 to cycle power to attached device, or to switch other signals
• 4 status LEDs
Power, Link, Active and User
• One-shot reset button
• Wide input power capability (9-36 VDC)