4.3.5 MCSLC4 in the Main Unit (installed by default)
4.3.5 MCSLC4 in the Main Unit (installed by default)
Function
•
4 extension ports for SLT with Caller ID (FSK), Message Waiting Lamp control, and 2 power failure transfer
(PFT) ports. Maximum power output of 90 V for Message Waiting Lamp control.
Note
•
For details about power failure transfer, refer to "4.12 Power Failure Connections".
Pin Assignments
For MCSLC4 port 1-2 and port 3-4
No.
1
2
3
4
5
1
8
6
7
8
114
Installation Manual
To Extension
Signal Name
TA
RA
Reserved
Reserved
Reserved
Reserved
TB
RB
Function
Tip port 1
Ring port 1
–
–
–
–
Tip port 2
Ring port 2
Document Version 2016-03