01052    a2200217   4500003000500000005001700005010001600022020001700038040000900055082001100064100002200075245009900097260003100196300003500227505037300262538002900635650003600664942001200700999001900712952010300731Nust20170207153948.0  a   79026661  a0471029556 :  cNust00a621.381 aFreeman, Roger L.10aTelecommunication system engineering :banalog and digital network design /cRoger L. Freeman.  aNew York :bWiley,cc1980.  axxii, 480 p. :bill. ;c24 cm.  aSome Basics in Conventional (page-1) Local Networks (Page-43) Conventional Switching Techniques in Telephony (Page-76) Signaling for Telephony Networks (Page-126) Introduction to Transmission for Telephony (Page-156) Long-Distance Networks (Page-188) Design of Long-Distance Links (Page-217) The Transmission of Other Information Over the Telephony Network (Page-284)   aAlmirah No.36 Shelf No.5 0aTelecommunications engineering.  2ddccBK  c190640d190640  00102ddc40708NFICaMCSbMCSd2016-12-12l0o621.382  FREpMCS21983r2016-12-08w2016-12-12yBK