Index of ftp://bitsavers.informatik.uni-stuttgart.de/communications/westernElectric/modems

`103A_Interface_Specification_Feb67.pdf`	`2.12Mb`	`July 19 2014`
`103E_103G_103H_Interface_Specification_Oct68.pdf`	`1.36Mb`	`November 14 2014`
`103F_Interface_Specification_May64.pdf`	`1.71Mb`	`July 19 2014`
`150_Baud_Private_Line_Channels_Interface_Specification_Feb68.pdf`	`4.41Mb`	`July 19 2014`
`201A_201B_Interface_Specification_Sep62.pdf`	`1.46Mb`	`November 14 2014`
`201A_201B_Interface_Specification_Supplement_2_Nov68.pdf`	`109.10Kb`	`November 14 2014`
`201A_and_201B_Interface_Specification_Aug69.pdf`	`2.02Mb`	`July 19 2014`
`202C_and_202D_Interface_Specification_May64.pdf`	`3.48Mb`	`July 19 2014`
`203_Data_Set_Technical_Reference_Jun70.pdf`	`3.86Mb`	`November 14 2014`
`301B_Interface_Specification_Mar67.pdf`	`532.63Kb`	`November 14 2014`
`303_Wideband_Data_Stations_Technical_Reference_Aug66.pdf`	`3.10Mb`	`November 14 2014`
`303_Wideband_Data_Stations_Technical_Reference_Supplement_1_Mar69.pdf`	`363.22Kb`	`November 14 2014`
`40000_Bell_System_Technical_Reference_Catalog_Dec75.pdf`	`1.38Mb`	`April 25 2015`
`41003_150_Baud_Private_Line_Channels_Interface_Specification_Sep75.pdf`	`3.36Mb`	`April 25 2015`
`41104_Data_Set_113A_Interface_Specification_May69.pdf`	`2.12Mb`	`April 25 2015`
`41401_Data_Sets_401A_and_401E_Apr66.pdf`	`1.76Mb`	`April 25 2015`
`591-014-100_Data_Set_103A_Identification_and_Operation_Jan67.pdf`	`655.58Kb`	`November 14 2014`
`591-014-200_Data_Set_103A_Installation_and_Connections_Jan67.pdf`	`422.87Kb`	`November 14 2014`
`591-014-300_Data_Set_103A_Maintenance_Nov64.pdf`	`57.98Kb`	`November 14 2014`
`591-014-500_Data_Set_103A_Test_Procedures_Dec67.pdf`	`582.27Kb`	`November 14 2014`
`801A_Automatic_Calling_Unit_Interface_Specification_Mar64.pdf`	`951.54Kb`	`November 14 2014`
`801C_Automatic_Calling_Unit_Interface_Specification_Sep65.pdf`	`2.03Mb`	`November 14 2014`
`Bell_Modem_Types_Oct69.pdf`	`1.07Mb`	`November 14 2014`
`Data_Access_Arangement_Preliminary_Technical_Reference_Nov68.pdf`	`1.17Mb`	`November 14 2014`
`PUB4000_Bell_System_Technical_Reference_Catalog_May72.pdf`	`2.13Mb`	`July 19 2014`
`X303A_Wideband_Data_Stations_Preliminary_Interface_Specification_Oct64.pdf`	`1.90Mb`	`November 14 2014`