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ALM-2001 Ethernet Sensing Module    
For Detecting the Presence of 10/100/1000 Ethernet Signals  

 


The ALM-2001 is normally used to sense the activity on a 10/100/1000Base-T Ethernet port and provide an indication of an alarm condition when the port is not active. Actual data does not need to be present since the ALM-2001 only senses signal levels (including negotiation signals) that may be present. It does not decode the actual data itself. If no activity at all is detected a red indicator LED on the unit begins to blink and an audible beeper begins to sound. In addition, a set of separate normally open or normally closed contacts are activated which can be used for the operation of a remote device.

The ALM-2001 is connected to the Ethernet ports to be monitored by means of standard CAT 5 or CAT 6 cables and RJ-45 type connectors. The unit may be used in either a stand-alone mode or mounted to any of the RMP  series of rack mounting panels. An optional DIN rail adapter is also available.

Note that the ALM-2001 only detects activity on an RJ-45 port. It does not detect any potential signal errors.
 
 
Specifications Important Features
Compatibility 10/100/1000Base-T Ethernet   Visual and Audible Indications
Signal Connector RJ-45 (CAT 5, CAT 6)   Remote Separate NO/NC Alarm
  Contacts
Visual Indicator Blinking Red LED   Stand-alone, DIN or Rack Mountable  (same unit)
Audible Indicator Beeping Piezo Sounder  
Controls* Beeper On / Off   
Remote Alarm Contacts Normally open, Normally
Contact Ratings  0.5 A @ 125 VAC
 1.0 A @ 24 VDC
Remote Contact Connector Removable Terminal Block

MTBF (per MIL HBK 217)

>120,000 hours

Operating Temperature  -35 to+75 C  
Humidity  <95% non condensing  
Power Requirements  11-24 VAC/DC @100mA
Physical Size (mm)  5.0 x 3.0 x 1.0"
127mm x 76mm x 25.4mm
   

* Red Alarm LED and Remote Alarm Contacts cannot be turned off.
Note that all specifications are subject to change without prior notice.


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