Olson Technology OTEB-CL-B - Manual (Page 10)

025-000634X1 Page 8 of 11
4.2 RS-232 Console port (DB9)
4.2.1 Port Description
Figure 4-2.1 DB9 interface
DB9 interface is a standard connectors used in RS-232 in series communication
connects. OLT adopts 9-pin standard connector which is same as the connector of PC
COM interface.
4.2.2 Pin Assignment
Figure 4-2.2 DB9/RS-232 pin assignment
Pin Distribution
2 RXD: accepting of data
3 TXD: transmitter data
5 SG: signal
Table 4-3 RS-232 Pin information
4.3 Power Connection
4.3.1 Connection Description
The power module provides stable operating power for the system. The input voltage
is 90-265V
AC
or optional -30 V
DC
to -72V
DC
. The Power module provides output
various DC voltages to meet the power all the components in the system.
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