型号：ATTL7581AC
厂商：ETC1[List of Unclassifed Manufacturers]
大小：649.28 Kbytes
页数：共15页
功能：LH1263 E&M Signaling Circuit
厂商：AGERE[Agere Systems]
大小：307.18 Kbytes
页数：共16页
功能：Ringing Access Switch
