Toshiba CTX28 用户手册

Pre-installation Guidelines

The option straps on the IPT telephones must be cut when installing carbon handsets, external 
power or headsets. Refer to 

 and 

 for further instruction. 

Carbon

W401, W402, 

W403, W404

If a carbon-type handset or carbon-type headset is connected to the 

handset

 jack, four jumper wire straps inside the telephone must be cut. 

6525

ADM

J502

UARTO

P101

LED Port

J201

J200