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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 (1551 downloads) Popular Download (pdf, 8.69 MB)
pdf C31.122 Addendum I1 Jun54 Subscriber Sets Cold Cathode Gas-Filled Vacuum Tubes (1160 downloads) Popular Download (pdf, 667 KB)
pdf C31.122-i4-ColdCathTubes Tl (1122 downloads) Popular Download (pdf, 1022 KB)
pdf C31.122-i6-Subsets-with-Cold-Cathode-Tubes Tl (1207 downloads) Popular Download (pdf, 223 KB)
pdf C31.123 i1 Mar40 - Subscriber Sets - Conversion to Anti-Sidetone (1085 downloads) Popular Download (pdf, 78 KB)
pdf C31.124 I1 Subscriber Sets 685, 686 & 687 (1384 downloads) Popular Download (pdf, 2.88 MB)
pdf C31.124-i2-Subsets-685-686-687 Tl (1001 downloads) Popular Download (pdf, 298 KB)
pdf C31.145 I1 Sep32 Subscriber Sets Indoor Locations Installation (1294 downloads) Popular Download (pdf, 4.92 MB)
pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation (964 downloads) Popular Download (pdf, 284 KB)
pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation-1 (1058 downloads) Popular Download (pdf, 293 KB)
pdf C31.148-i2-392-592-Subscriber-Sets-Installation Tl (1164 downloads) Popular Download (pdf, 186 KB)
pdf C31.149-i1-531C-Subscriber-Set Tl (971 downloads) Popular Download (pdf, 79 KB)
pdf C31.150-i1-531C-Subscriber-Set-Maintenance Tl (910 downloads) Popular Download (pdf, 58 KB)
pdf C31.204-i1-Ringers-and-Loud-Ringing-Bells Tl (1102 downloads) Popular Download (pdf, 226 KB)
pdf C31.205-i3-Numbered-Type-Ringers Tl (1230 downloads) Popular Download (pdf, 661 KB)
pdf C31.207 I2 C-type Ringers - Maintenance (1633 downloads) Popular Download (pdf, 319 KB)
pdf C31.207-i3-C-Type-Ringers-Maintenance Tl (1142 downloads) Popular Download (pdf, 668 KB)
pdf C31.208 I1 Jun54 B Ringers Maintenance (1115 downloads) Popular Download (pdf, 2.50 MB)
pdf C31.208-i2-B-Type-Ringers-Maintenance Tl (1169 downloads) Popular Download (pdf, 619 KB)
pdf C31.221-i1-Ringing-Bridge-Limitations-Multiparty-Lines Tl (1053 downloads) Popular Download (pdf, 177 KB)

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