88 db ad888888b, 88 a8P ad88888ba 88 88 ,d88 d88b d8" "88 88 ,88' d8" "8b 88 88 888888 d8'`8b a8P 88 ,88" Y8, 88 88 88 d8' `8b ,d8P" 88,d88' `Y8aaaaa, 88 88 88 d8YaaaaY8b a8P" 8888"88, `"""""8b, 88 88 88 d8""""""""8b a8P' 88P Y8b `8b 88 88 88 d8' `8b d8" 88 "88, Y8a a8P Y8a. .a8P 88 d8' `8b 88888888888 88 Y8b "Y88888P" `"Y8888Y"' ,ad8888ba, ,ad8888ba, 888b 88 888888888888 88888888ba ,ad8888ba, 88 d8"' `"8b d8"' `"8b 8888b 88 88 88 "8b d8"' `"8b 88 d8' d8' `8b 88 `8b 88 88 88 ,8P d8' `8b 88 88 88 88 88 `8b 88 88 88aaaaaa8P' 88 88 88 88 88 88 88 `8b 88 88 88""""88' 88 88 88 Y8, Y8, ,8P 88 `8b 88 88 88 `8b Y8, ,8P 88 Y8a. .a8P Y8a. .a8P 88 `8888 88 88 `8b Y8a. .a8P 88 `"Y8888Y"' `"Y8888Y"' 88 `888 88 88 `8b `"Y8888Y"' 88888888888 ,ad8888ba, db 88888888ba 88888888ba, d8"' `"8b d88b 88 "8b 88 `"8b d8' d8'`8b 88 ,8P 88 `8b 88 d8' `8b 88aaaaaa8P' 88 88 88 d8YaaaaY8b 88""""88' 88 88 Y8, d8""""""""8b 88 `8b 88 8P Y8a. .a8P d8' `8b 88 `8b 88 .a8P `"Y8888Y"' d8' `8b 88 `8b 88888888Y"' ============================================== SERISS CORPORATION - 1A2 KSU CONTROL CARD 2 LINE / 4 EXTENSIONS ============================================== erco@seriss.com - 06/27/2019 - REV G erco@seriss.com - 07/22/2019 - REV G1 If you find problems in this document, contact: erco@seriss.com ___________________________________________________________________ | ::::::: INTERLINK | | EXT1 EXT2 EXT3 EXT4 | | o o o o A | | LINE1 CPU LINE2 ICM : B ╱▔▏ ╱▔▏ ╱▔▏ ╱▔▏ | | STATUS STATUS STATUS STATUS : : ▏ ▏ ▏ ▏ ▏ ▏ ▏ ▏ | | : : ▏ ▏ ▏ ▏ ▏ ▏ ▏ ▏ | | o CPU2 : : ▏ ▏ ▏ ▏ ▏ ▏ ▏ ▏ | | STATUS : : ▏ ▏ ▏ ▏ ▏ ▏ ▏ ▏ | | : ▏ ▏ ▏ ▏ ▏ ▏ ▏ ▏ | | ___ __ ____ ____ ╲_▏ ╲_▏ ╲_▏ ╲_▏ | | | | |+-| |oooo| |oooo| | |__|___|____|__|____|____|_____________|____|_______________________| Line1+2 12VDC Ring Trig. Ext Ring (RJ-11) Power Connector Gen Power 1.0 - INITIAL SETUP

There is nothing critical about the order of connecting up the board. The order shown below is:
Extensions, Power, Telco, Ring Gen.. but these can actually be connected up in any order.

If you're new to 1A2 wiring, and are not sure what the wire colors "Y-S" or "S-Y"
refer to, please see the "Wire Colors" section near the bottom of this document.

1.1 - Mount the board or position it safely before starting 1.2 - Connect Power

1.2 - Connect 1A2 Phone Extensions



1.3 - Attach Phone Lines

1.4 - Attaching A Ring Generator (If You Have One)


1.5 - Ring Programming - Set DIP Switches For Ringing

1.6 - Testing Your Setup For The First Time


2.0 - Using Your 1A2 Multiline Phone System

3.0 - Phone System Accessories

4.0 - Interlinking Two Boards - Four Lines / 8 Extensions

5.0 - Troubleshooting

6.0 - Wire Colors
* * * EDITING: WORK IN PROGRESS * * *