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* Integration with some partner manufacturers, such as AMX, Control 4, and Crestron, require the main serial port, C1M1 Communicator, or ELK-
M1XIP Ethernet Interface. Visit www.elkproducts.com for more details and a complete list of partner manufacturers.
A.  ELK-M1XSP
M1 Serial Port (RS-232) Expander
Additional serial port(s) for M1 Controls to interface other manufacturers' equipment utilizing RS-232 ASCII commands.
• 	 Allows M1 to interface with communicating  
	
thermostats and lighting controls*
• 	 Adjustable baud rate 300 to 38400
• 	 Up to 7 M1XSP Expanders may be added to the  
	
M1 controls
• 	 Operating Voltage: 12 VDC
• 	 Current Draw: 31mA
• 	 Housing Size: 4.375" x 3" x 1.125"
• 	 Circuit Board Size: 3.5" x 2.75"
•	 RoHS Compliant
7
62158 55020
1
B.  ELK-IP232
Ethernet to RS-232 Serial Bridge
The ELK-IP232 may be used to connect any standard serial communications device to an Ethernet network. It is able to 
both initiate and accept network connections. Once a network connection is made, the remote networked device is virtually 
connected to the serial device on the other side of the Bridge. Both the network device and the serial device can send and 
receive messages to and from each other.
• 	 Supports both UDP and TCP protocols
• 	 Up to 12 simultaneous TCP-IP connections
• 	 Up to twelve (12) "Rules" may be programmed 
	
to make outgoing connections
• 	 Selectable baud rate from 300 to 115200 baud
• 	 802.3 compliant 10/100 Mbit interface
• 	 Software and Hardware Handshaking
• 	 Operating Voltage: 12 VDC 
• 	 Current Draw: Approx. 135 mA
•	 Dimensions: 3.85" x 1.7" x 0.93"
• 	 RS-232, DB9M 9-pin serial port connection
• 	 RJ45 8-pin Network Jack
• 	 LED Indicators for Power, Link, and Data
• 	 Includes:  Serial Cable and 12V Supply
•	 RoHS Compliant
7
62158 55064
5
A
B
M1 CONTROLS & ACCESSORIES

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