ARIA SOHO Hardware Description and Installation Manual
Issue 1
BOARD INSTALLATION
Aug, 2006
35
4.4.1.1 Modular Jack (MJ1-MJ2) Pin Assignment
CHB308 MJ1 – 1,2,3
CONNECTOR
PIN NUMBER
NO
SIGNAL NAME
1,2 N/A
3,4 CO-T,
CO-R
RJ11
5,6 N/A
CHB308 MJ2 – 1,2,3,4,5,6,7,8 (EXTENSION)
CONNECTOR
PIN NUMBER
NO
SIGNAL NAME
1 N/A
2 DKT-T
3,4 SLT-T,
SLT-R
5 DKT-R
RJ11
6 N/A
TERMINAL DKT
CONNECTOR
PIN NUMBER
NO
SIGNAL NAME
1 N/A
2 RING
3,4 Reserved
5 TIP
RJ11
6 N/A
TERMINAL SLT
CONNECTOR
PIN NUMBER
NO
SIGNAL NAME
1,2 N/A
3,4 TIP,
RING
RJ11
5,6 N/A
CONNECTOR FUNCTIONS
CONNECTOR
FUNCTION
REMARK
CN1
MBU or EMBU connection
50Pins
CN2 or CN3
CMU50PR connection
6 & 8Pins
4.4.1.2 Add-On Board CMU50PR(Call Metering-50 Hz & Polarity Reversal Detection unit)
The CMU50PR provides 3 channels Call Metering detection for 50Hz and provides 3 channels of Polarity Reversal
Detection for call metering. It can be installed on the MBU, EMBU, CHB308, or CSB316.
