Name Size Creator Creation Date Labels Comment  
PDF File IM-3H300-03_I3.pdf 23.70 MB Shaun Ewing Apr 24, 1981 00:00
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Electronic Switching Systems - No. 3 - Input Message Manual (Issue 3)
PDF File IM-4A001-01_I9.4.1.pdf 3.48 MB Shaun Ewing Jul 01, 2002 00:00
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4ESS/APS Switch - Input Messages (Issue 9.4.1)
PDF File IM-4B000-01_I1.8.pdf 3.81 MB Shaun Ewing Sept 01, 2001 00:00
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4ESS Switch - 1B Processor - Input Messages (Issue 1.8)
PDF File IOM-4B000-01AC_I1.8.pdf 783 kB Shaun Ewing Jul 01, 2002 00:00
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4ESS Switch - 1B Processor - Proprietary AT&T Exclusive - Input/Output Messages (Issue 1.8)
PDF File OM-3H300-03_I4.pdf 12.06 MB Shaun Ewing Jan 01, 1900 12:00
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Electronic Switching Systems - [No.] 3 - Output Message Manual (Issue 4)
PDF File OM-4A001-01_I9.4.pdf 7.58 MB Shaun Ewing Jul 01, 2002 00:00
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4ESS/APS Switch - Output Messages (Issue 9.4)
PDF File OM-4B000-01_I1.8.1.pdf 6.47 MB Shaun Ewing Jul 01, 2002 00:00
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4ESS Switch - 1B Processor - Output Messages (Issue 1.8.1)