User's Manual

ipLDK-60 Hardware Description and Installation Manual Issue 2
SYSTEM OVERVIEW July, 2010
5
EXPANSION KSU
Item Option Board Description
KSU Key Service Unit
PSU Power Supply Unit
Main Board EMBU Expansion Main Board Unit (3 CO and 8 Hybrid)
CO and Extension
Boards
CO Line and DKT/SLT interface Boards
(CHB308, CSB316, SLIB8)
Function Boards CMU12PR, CMU50PR can be installed
EMBU2 Expansion Main Board 2 (3 CO and 16 DKT)
CO and Extension
Boards
CO Line and DKT/SLT Boards
(CHB308, CKB316 only)
Function Boards Not applicable
CO Line
and
Extension
Boards
CHB308 3 CO Lines and 8 Hybrid Interface Board
CMU50PR Call Metering (50Hz) and Polarity Reversal
Detection Unit (3 channels)
CMU12PR Call Metering (12KHz or 16KHz) and Polarity
Reversal Detection Unit (3 channels)
CKB316 3CO Lines and 16 Digital Telephone Interface
Board
CSB316 3 CO Lines and 16 SLT Interface Board
CMU50PR Call Metering (50 Hz) and Polarity Reversal
Detection Unit (3 channels)
CMU12PR Call Metering (12KHz or 16KHz) and Polarity
Reversal Detection Unit (3 channels)
SLU8 8 SLT Interface Unit, installed on CSB316 as a
default.
SLIB8 8 SLT Interface Board
Other
Boards
WDIB4
4 Base Wireless Terminal Interface Board
CMU50PR Call Metering (50Hz) and Polarity Reversal
Detection Unit (3 channels)
CMU12PR Call Metering (12KHz or 16KHz) and Polarity
Reversal Detection Unit (3 channels)