Schematics
for the connection on speakerphones and adapters to a PABX with FTZ123D12
interface |
Schematics
for the connection of door phones with telephone line interface to
a PABX. Special solutions. |
Schematics
for the connection of door station to a PABX using a telephone line
interface. |
Schematics
for the connections of lift emergency call systems. Drill layouts. |