Specifications
Line and Station Boards and Special Components 
GCA39-825 Rev 2, Issue 4/02  Page 12  Printed in the USA 
FX System Station Boards 
Digital Station Boards 
Part Number: FXSDS-16 (16 Port Digital Station Board—Supports Impact small LCD/2 lines 
x 16-character digital telephones) 
Part Number: FXLDS-16 (16 Port Digital Station Board—Supports Impact large screen display 
and bridged console) 
•  Digital telephones require only 1 pair of wires per telephone for operation. 
•  The FXLDS-16 boards must be used if the application requires either Impact large screen 
telephones or bridged console support. This board also supports the 2 line display 
telephones. 
NOTE: Although the board is required for bridged console operation, the bridged console does not 
work with large screen phones. 
•  Currently, an FX system with 7-slot (112 port) software can support a maximum of 16 large 
screen display phones. 
•  Currently, an FX system with 14- slot or 29-slot (224 port or 464 port) software can support 
up to 48 large screen display phones. 
•  Only use Rev E FXSDS-16 boards or higher with CCB software 15A or higher. 
•  Only use Rev D FXLDS-16 boards or higher with CCB software 15A or higher. 










