Emerson SiteLink-12 Specification Sheet

Emerson Network Router Specification Sheet - SiteLink-12.
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Specification for SiteLink-12 

 

 

 

 
DESCRIPTION:  
The SiteLink-12 is a 32-bit microprocessor-based communications device that provides 
an interface for up to twelve Liebert Unit Controllers (IGM’s).  The SiteLink-12 communicates to either the 
SiteScan Monitoring System, or a third party software program utilizing a designated open standard 
protocol (i.e. Modbus or BACnet).  This device communicates to the SiteScan Monitoring System via a 
twisted pair called the ARC156 network through an EIA-485 port at either 156K / 9600 or 38.4kbps baud.   
It communicates to the third party software monitoring system via a 9-pin DTE male EIA-232 connector 
(Portal Interface) or at the 5 pin EIA485 port communicating at either 9600bps or 38.4kbps baud.  Twelve 
EIA-422 ports are provided to connect Liebert Information Gathering Modules. 
 
DIMENSIONS:   

Module: 

7 1/2" H x 11 1/4" W 

 

 

19.05cm H x 28.58cm W 

 
 

Enclosure:  

12”H x 14.25" W x 2.85" D 

 

(Painted steel) 

419.1mm x 301.3mm x 78.6mm 

 
 

See Enclosure Diagrams for mounting options. 

 
POWER: 

24VAC ± 10%, 50-60 Hz, 7.2VA power consumption.  

 

(120/24VAC 40VA Transformer available) 

 

 

ENVIRONMENTAL  
OPERATING RANGE:
  0

° to 130° F (-17.8° to 54.4° C), 10 to 90% relative humidity, non-condensing 

 
COMMUNICATION:  

CMnet EIA-485 Port - Control Module network screw terminals 

 

Switch selectable baud rates ARC156 / 9600 or 38.4bps 
Recommended wire is: MAGNUM Cable pn A3-ARC-156-2 

 
 

Two (2) Portal Interface – One EIA-232, One EIA-485 2  / 4 wire (for Third Party 
software selectable baud rate, 9600bps or 38.4kbps 

 

One (1) Access port (for diagnostics)  

 

Twelve (12) EIA-422 Ports (for Liebert unit connection) - screw terminal 

 
MEMORY: 

1024 kB Flash memory and 1024 kB non-volatile battery-backed RAM. 

 
PROTECTION:  

Voltage, current, and ESD protection on incoming power and ARC156 network 

 
BATTERY: 

Seven-year lithium battery provides a minimum or 10,000 hours or data 

 

retention during power outages. 

  

Liebert Corporation                      Page 1 of 5                                       SL-27216 Rev. 4; 7/03 

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