LG ipLDK-60, Руководство по обслуживанию

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ipLDK-60 SERVICE MANUAL
DIGITAL KEY TELEPHONE SYSTEM
7
1.5.2 System Components
BASIC KSU
ITEM OPTION BOARD DESCRIPTION
KSU Key Service Unit
PSU Power Supply Unit
MBU Main Board Unit (3CO, 1DKT and 7 Hybrid)
CO and
Extension Boards
CO Line and DKT/SLT interface boards (CHB308, CSB316,
SLIB8, E1HB8 and VOIB)
Main Board
Other Boards VMIU, AAFU, MODU, CMU50PR, CMU12PR can be installed
3CO Lines and 8 Hybrid Interface Board
CMU50PR Call Metering (50Hz) and Polarity Reversal Detection Unit
(3 channels)
CHB308
CMU12PR Call Metering (12KHz or 16KHz) and Polarity Reversal
Detection Unit (3 channels)
3 CO Lines and 16 SLT 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)
CSB316
SLU8 8 SLT Interface Unit Installed on CSB316 as a default
SLIB8 8 SLT Interface Board
Voice over IP Board (4ch) VOIB
VOIU Voice over IP unit (4ch)
E1R2 and 8 Hybrid Interface Board
CO Line and
Extension
Boards
E1HB8
SLU8 8 SLT Interface Unit Installed on E1HB8 as a default
VMIU Voice Mail Interface Unit, 4 channels
AAFU Auto Attendant Function Unit, 4 channels
MODU MODEM unit (33Kbps)
CMU50PR Call Meeting (50Hz) and Polarity Reversal Detection Unit
(3 channels)
Other Boards
CMU12PR Call Metering (12KHz or 16KHz) and Polarity Reversal
Detection Unit (3 channels)