不必拆卸即可直接作業於裝置表面，插口(JACK)端為連接HUB插口，110端子打線端為連接各房間線端。

PCB jack housing electrical:
contact resistance:20m ohm
DC current rating:1.5amps
DC resistance:max.0.1 ohm
insulation resistance:500m ohm
dielectric withstanding voltage:1000V

註：-01 為免固定扣設計底板 (SY-H3836-M)