BT style - 2 Series jack LJ2. 68mm x 68mm x 29mm
The 2 Series BT style line jack is a compact surface mounting voice jack with BT style socket. The jack is supplied complete with backbox. The cover and backbox are manufactured in robust white ABS.
BT style - 3 Series jack 86mm x 86mm x 29mm (with 21mm backbox)
The 3 Series BT style line jack features BT style sockets in an 86mm x 86mm shuttered faceplate. The jack is supplied without backbox. The faceplate is manufactured in robust white ABS.
BT style - 4 Series jack86mm x 86mm x 29mm (with 21mm backbox)
The 4 Series BT style line jacks feature 2 x BT style sockets in an 86mm x 86mm shuttered faceplate. The 4 Series has two separate lines. The jacks are supplied without backbox. The faceplates are manufactured in robust white ABS.
PSTN master
Used for direct connection to exchange line.
Contains:
- 1.8uF ring capacitor
- 470KOhm resistor
- 26A surge arrestor.
PBX master
Used for connection to PBX extension
Contains:
Secondary
Used where no mastering components are required e.g. extension sockets or for two wire telephones.