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i.
Port Description
Figure 4-2.1 DB9 interface
DB9 interface is a standard connector used in RS232 in series
communication connections. OLT adopts 9 pin standard connector which
is same as the connector of PC Com interface.
ii.
Pin assignment
Figure 4-2.2
DB9/RS232 pin assignment
Pin
Distribution
2
RXD: accepting of data
3
TXD: transmitter data
5
SG: signal
Table 4-3 Pin information
c.
Power Connection
i.
Connection Description
The power module provides stable operating power for the system. The
input voltage is –48VDC. The Power module provides output voltages,
+12VDC, to meet the power supply requirements of all the components in
the system.
17
FAULT DISPOSAL
The MX-A5400 series FTTP EDFA can monitor system operation and offer brief
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