Aria-24
ipe
Digital Key Telephone System
Installation Manual
Issue 1.5
Aria Technologies
36
Pin assignment
LCOB
Connector
Socket Pin Number
NO
SIGNAL NAME
RJ45
1,2
CO-R, CO-T
3
Reserved
4,5
CO-R, CO-T
6,7,8
Reserved
Various connectors functions
Connector
Function
Remark
CN1, CN2 and CN3
CPCU4 connection
See clause 3.3.1.3
MJ1
2 ports RJ45 type CO line connection.
3.3.1.3 CPCU4 (FSK CID, PR and CPT detection Unit)
Description
Provides four call progress tone detection to support ACNR feature (Auto Called Number Redial) and four
FSK CID signal detection. It also provides four on-hook connection paths for SMS.
The CPCU4 can be optionally mounted on LCOB.
NOTE
: CPCU4 does not provide Polarity Reversal functions.(Reversal on Idle)
