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Telephone Mini Motor Selector

I found this cool little old telephone selector on ebay, no idea of its age or origin. It looks to have 8 primary to 12 contacts per layer (Common to 0-9,-,N) the 9th layer looks disconnected. It looks to be a quadrant selector with four armatures per layer allowing...

iPECS Systems Stuff

Serial/Telnet Console Password Management setting or resetting passwords from the serial or telnet console maint> password man 1234 Maint Password changed maint> password usr 1234 User Password changed maint> password adm 1234 Admin Password changed Resetting From...

Analyzing a Faulty Cisco IAD2431-16FXS

I have a Cisco IAD2431-16FXS that has an issue with audio from the FXS mouth ports, sending only static, receive is fine Testing with a 600ohm Alcatel TE200 with REN of 1 over a 1000m coil FXS Loopback Tests Lopping the local disables network and I get amplified...

NetCommWireless NDD-0300 Teardown

Main Board DSL Controller? D1_DSL W8396L01? D1_FAST Le87281 – G.Fast Single Channel Line Driver https://www.microsemi.com/product-directory/g-fast/4139-le87285 U11 UART? J2 Main Controller Catalyst semi? Microsemi? S8383N23SLMD8 Ethernet Transformer U7 –...