what is sdh,pdh?how exactly the call get connected?
Answer Posted / rohit jain
PDH: we drop electrical E1 here & SDH: Here, we drop optical E1
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I am working on Nortel Meridian 81C PBX,Passport,Symposium Can anyone plese tell me website name on which I can get more information about this equipments
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What= is the 911 point?
2451
Define Thermal impedance?
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