AN5116-06B Optical Line Terminal Equipment Hardware Description
3-6
Version A
3.6
Subrack Interface
The air guide unit of the subrack has 4 types of interfaces.
3.6.1
Power Interface
Symbol
Type
Quantity
Purpose
PWR1, PWR2
DC –48V
2
Connected to the PDP using the power cable
of the subrack, to supply DC power to the
subrack
3.6.2
Environmental Monitoring Interface
Symbol
Type
Quantity
Purpose
ESC
RJ-45
1
Not used currently
3.6.3
Alarm Interface
Symbol
Type
Quantity
Purpose
ALM RJ-45
1
Connected to the PDP using the alarm cable of
the subrack, to output the alarm signal of the
subrack to the PDP
3.6.4
Outband Network Management Interface
Symbol
Type
Quantity
Purpose
EMS RJ-45
1
Connected to the network management
computer using the network cable
