ARIA SOHO Hardware Description and Installation Manual
Issue 1
SYSTEM OVERVIEW
Aug, 2006
5
2.2 System Components
BASIC KSU
ITEM
OPTION BOARD
DESCRIPTION
KSU
Key Service Unit
PSU
Power Supply Unit
MBU
Main Board Unit (3CO, 8DKT/1DKT and 7SLT)
CO and Extension Boards
CO Line and DKT/SLT interface boards (CHB308,
CSB316, SLIB8)
Main Board
Other Boards
VMIU, AAFU, LANU, MODU, DPU2, CMU50PR can
be installed
3CO Lines and 8 Hybrid Interface Board
CHB308
CMU50PR
Call Metering (50Hz) 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)
CSB316
SLU8
8 SLT Interface Unit Installed on CSB316 as a default
CO Line and
Extension
Boards
SLIB8
8 SLT Interface Board
VMIU
Voice Mail Interface Unit, 4 channels
AAFU
Auto Attendant Function Unit, 4 channels
LANU
LAN Interface Unit (10 base-T only)
MODU
MODEM unit (33Kbps)
DPU2
2 Door Phone interface Unit
Other Boards
CMU50PR
Call Meeting (50Hz) and Polarity Reversal Detection
Unit (3 channels)
EXPANSION KSU
ITEM
OPTION BOARD
DESCRIPTION
KSU
Key Service Unit
PSU
Power Supply Unit, 90W
EMBU
Expansion Main Board Unit
CO and Extension Boards
CO Line and DKT/SLT interface Boards (CHB308,
CSB316, SLIB8)
Main Board
Other Boards
DPU2, CMU50PR can be installed
3 CO Lines and 8 Hybrid Interface Board
CHB308
CMU50PR
Call Metering (50Hz) and Polarity Reversal Detection
Unit (3 channels)
3 CO Lines and 16 SLT Interface Board
CMU50PR
Call Metering (50 Hz) and Polarity Reversal Detection
Unit (3 channels)
CSB316
SLU8
8 SLT Interface Unit. Installed on CSB316 as a
default.
CO Line and
Extension
Boards
SLIB8
8 SLT Interface Board
DPU2
2 Door Phone Unit
Other Boards
CMU50PR
Call Metering (50Hz) and Polarity Reversal Detection
Unit (3 channels)