![American telephone practice . «tej#z *-* VJI II I I II T7j=^— Wr MaaAi-im.ih-WW^. FIG. 307.—CONNECTION, PRIVATE BRANCH TO CITY SUBSCRIBER-WESTERN ELECTRIC SYSTEM.404 PRIVATE BRANCH EXCHANGE SERVICE. 405 is completed to American telephone practice . «tej#z *-* VJI II I I II T7j=^— Wr MaaAi-im.ih-WW^. FIG. 307.—CONNECTION, PRIVATE BRANCH TO CITY SUBSCRIBER-WESTERN ELECTRIC SYSTEM.404 PRIVATE BRANCH EXCHANGE SERVICE. 405 is completed to](https://c8.alamy.com/comp/2CRX1GR/american-telephone-practice-tejz-vji-ii-i-i-ii-t7j=-wr-maaai-imih-ww-fig-307connection-private-branch-to-city-subscriber-western-electric-system404-private-branch-exchange-service-405-is-completed-to-ground-through-the-ring-contact-of-the-trunk-jackin-this-case-the-battery-and-repeating-coil-are-automatically-cut-outand-the-private-branch-subscriber-draws-his-battery-for-talking-andfor-the-operation-of-the-supervisory-signals-directly-from-the-mainoffice-battery-his-line-in-this-case-being-merely-an-extension-of-thetrunk-line-a-connection-between-a-private-branch-subsc-2CRX1GR.jpg)
American telephone practice . «tej#z *-* VJI II I I II T7j=^— Wr MaaAi-im.ih-WW^. FIG. 307.—CONNECTION, PRIVATE BRANCH TO CITY SUBSCRIBER-WESTERN ELECTRIC SYSTEM.404 PRIVATE BRANCH EXCHANGE SERVICE. 405 is completed to
![AT LJ 1001 Line Jack Unit in Dayi Nagar , Bengaluru , Aeon Telectronics Private Limited. | ID: 20439601662 AT LJ 1001 Line Jack Unit in Dayi Nagar , Bengaluru , Aeon Telectronics Private Limited. | ID: 20439601662](https://5.imimg.com/data5/SH/MO/MY-3055745/at-lj-1001-line-jack-unit-500x500.png)
AT LJ 1001 Line Jack Unit in Dayi Nagar , Bengaluru , Aeon Telectronics Private Limited. | ID: 20439601662
![20yr old commercial with Jack's “private” line. Hilarious surprise when we called the number. : r/funny 20yr old commercial with Jack's “private” line. Hilarious surprise when we called the number. : r/funny](https://i.redd.it/gbwwy9mzagx11.jpg)
20yr old commercial with Jack's “private” line. Hilarious surprise when we called the number. : r/funny
![. American telephone practice . anner. When the private branch subscriber hangs up, the answeringsupervisory signal at the main office will be lighted and the ringinglamp at the private branch exchange will also be lighted, due to thefalling back of the ... . American telephone practice . anner. When the private branch subscriber hangs up, the answeringsupervisory signal at the main office will be lighted and the ringinglamp at the private branch exchange will also be lighted, due to thefalling back of the ...](https://l450v.alamy.com/450v/2crx0ww/american-telephone-practice-anner-when-the-private-branch-subscriber-hangs-up-the-answeringsupervisory-signal-at-the-main-office-will-be-lighted-and-the-ringinglamp-at-the-private-branch-exchange-will-also-be-lighted-due-to-thefalling-back-of-the-armature-of-the-relay-c-to-this-the-privatebranch-attendant-pays-no-attention-when-however-the-main-private-branch-exchange-service-421-office-operator-in-response-to-the-signals-withdraws-the-answeringplug-from-the-private-branch-trunk-line-jack-the-relay-a-at-theprivate-branch-end-of-the-trunk-will-be-restored-to-its-normal-posi-tio-2crx0ww.jpg)