Ericsson-LG Co. Ltd. GDC-600BE 用户手册
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
Boards
CO Line and DKT/SLT interface Boards
(CHB308, CSB316, SLIB8)
(CHB308, CSB316, SLIB8)
Function Boards
CMU12PR, CMU50PR can be installed
EMBU2
Expansion Main Board 2 (3 CO and 16 DKT)
CO and Extension
Boards
Boards
CO Line and DKT/SLT Boards
(CHB308, CKB316 only)
(CHB308, CKB316 only)
Function Boards
Not applicable
CO Line
and
Extension
Boards
and
Extension
Boards
CHB308
3 CO Lines and 8 Hybrid Interface Board
CMU50PR
Call Metering (50Hz) and Polarity Reversal
Detection Unit (3 channels)
Detection Unit (3 channels)
CMU12PR
Call Metering (12KHz or 16KHz) and Polarity
Reversal Detection Unit (3 channels)
Reversal Detection Unit (3 channels)
CKB316
3CO Lines and 16 Digital Telephone Interface
Board
Board
CSB316
3 CO Lines and 16 SLT Interface Board
CMU50PR
Call Metering (50 Hz) and Polarity Reversal
Detection Unit (3 channels)
Detection Unit (3 channels)
CMU12PR
Call Metering (12KHz or 16KHz) and Polarity
Reversal Detection Unit (3 channels)
Reversal Detection Unit (3 channels)
SLU8
8 SLT Interface Unit, installed on CSB316 as a
default.
default.
SLIB8
8 SLT Interface Board
Other
Boards
Boards
WDIB4
4 Base Wireless Terminal Interface Board
CMU50PR
Call Metering (50Hz) and Polarity Reversal
Detection Unit (3 channels)
Detection Unit (3 channels)
CMU12PR
Call Metering (12KHz or 16KHz) and Polarity
Reversal Detection Unit (3 channels)
Reversal Detection Unit (3 channels)