LG ipLDK-60 Service Manual page 12

ipLDK-60 SERVICE MANUAL
DIGITAL KEY TELEPHONE SYSTEM
ITEM
KSU
PSU
Main Board EMBU
CO Line and CHB308
Extension
Boards
CSB316
SLIB8
Other Boards CMU50PR
CMU12PR
EXPANSION KSU
OPTION BOARD
CO and Extension
Boards
Other Boards
CMU50PR Call Metering (50Hz) and Polarity Reversal Detection Unit
CMU12PR
CMU50PR Call Metering (50 Hz) and Polarity Reversal Detection Unit
CMU12PR
SLU8
Call Metering (50Hz) and Polarity Reversal Detection Unit
DESCRIPTION
Key Service Unit
Power Supply Unit
Expansion Main Board Unit (3 CO and 8 Hybrid)
CO Line and DKT/SLT interface Boards
(CHB308, CSB316, SLIB8)
CMU12PR, CMU50PR can be installed
3 CO Lines and 8 Hybrid Interface Board
(3 channels)
Call Metering (12KHz or 16KHz) and Polarity Reversal
Detection Unit (3 channels)
3 CO Lines and 16 SLT Interface Board
(3 channels)
Call Metering (12KHz or 16KHz) and Polarity Reversal
Detection Unit (3 channels)
8 SLT Interface Unit. Installed on CSB316 as a default.
8 SLT Interface Board
(3 channels)
Call Metering (12KHz or 16KHz) and Polarity Reversal
Detection Unit (3 channels)
8