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Folder C30 - C31: General Apparatus, Subsets, Components

Documents

Toggle Title Date Download
pdf C31.120.2 iA Apr61 RTC - Stromberg Carlson 1543 Desk Tel (1429 downloads) Popular Download (pdf, 8.69 MB)
pdf C31.122 Addendum I1 Jun54 Subscriber Sets Cold Cathode Gas-Filled Vacuum Tubes (1054 downloads) Popular Download (pdf, 667 KB)
pdf C31.122-i4-ColdCathTubes Tl (1000 downloads) Popular Download (pdf, 1022 KB)
pdf C31.122-i6-Subsets-with-Cold-Cathode-Tubes Tl (1090 downloads) Popular Download (pdf, 223 KB)
pdf C31.123 i1 Mar40 - Subscriber Sets - Conversion to Anti-Sidetone (964 downloads) Popular Download (pdf, 78 KB)
pdf C31.124 I1 Subscriber Sets 685, 686 & 687 (1269 downloads) Popular Download (pdf, 2.88 MB)
pdf C31.124-i2-Subsets-685-686-687 Tl (901 downloads) Popular Download (pdf, 298 KB)
pdf C31.145 I1 Sep32 Subscriber Sets Indoor Locations Installation (1172 downloads) Popular Download (pdf, 4.92 MB)
pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation (886 downloads) Popular Download (pdf, 284 KB)
pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation-1 (951 downloads) Popular Download (pdf, 293 KB)
pdf C31.148-i2-392-592-Subscriber-Sets-Installation Tl (1074 downloads) Popular Download (pdf, 186 KB)
pdf C31.149-i1-531C-Subscriber-Set Tl (874 downloads) Popular Download (pdf, 79 KB)
pdf C31.150-i1-531C-Subscriber-Set-Maintenance Tl (809 downloads) Popular Download (pdf, 58 KB)
pdf C31.204-i1-Ringers-and-Loud-Ringing-Bells Tl (986 downloads) Popular Download (pdf, 226 KB)
pdf C31.205-i3-Numbered-Type-Ringers Tl (1121 downloads) Popular Download (pdf, 661 KB)
pdf C31.207 I2 C-type Ringers - Maintenance (1501 downloads) Popular Download (pdf, 319 KB)
pdf C31.207-i3-C-Type-Ringers-Maintenance Tl (1052 downloads) Popular Download (pdf, 668 KB)
pdf C31.208 I1 Jun54 B Ringers Maintenance (991 downloads) Popular Download (pdf, 2.50 MB)
pdf C31.208-i2-B-Type-Ringers-Maintenance Tl (1080 downloads) Popular Download (pdf, 619 KB)
pdf C31.221-i1-Ringing-Bridge-Limitations-Multiparty-Lines Tl (956 downloads) Popular Download (pdf, 177 KB)

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