Conversion of a BT terminating line unit No2 to work as a telco unit
Telephone Bits
Line Jack 4
Line Jack No 10
Telephone Plugs and Sockets
Structured wiring system
ISDN Basic Information
OBIT ALARM
Active and passive DI units
Satellite information
Basic Dipole design
Scart Connections
Balanced Audio wireing
Audio Connectors
