MAXDATA PLATINUM Server Board User’s Manual
15
✏ NOTE
By default, as configured in the factory, the SCB2 baseboard will have the rear RJ45 serial
port configured to support a DSR signal.
For serial concentrators that require a DCD signal, the J6A2 jumper block must be config-
ured as follows: The DCD jumper in position 2 and 3 and the DSR jumper in position 2 and 3.
Pin 1 on the jumper is denoted by an arrow directly next to the jumper block. See Figure 3 on
page 15 for the jumper block pin-out of this configuration.
Figure 3. J6A2 Jumper Block for DCD Signal
For serial concentrators that require a DSR signal, the J6A2 jumper block must be config-
ured as follows: The DSR jumper in position 1 and 2 and the DCD jumper in position 1 and 2.
Pin 1 on the jumper is denoted by an arrow directly next to the jumper block. See Figure 4.
Figure 4. J6A2 Jumper Block for DSR Signal
For those server applications that require a DB9 type of serial connector, an 8-pin RJ45-to-
DB9 adapter must be used. The following table defines the pin-out required for the adapter
to provide RS232 support.
Table 3. Rear COM2 Port Adapter Pin-out
RJ45 Signal Abbreviation DB9
1 Request to Send RTS 7
2 Data Terminal Ready DTR 4
3 Transmitted Data TD 3
4 Signal Ground SGND 5
5 Ring Indicator RI 9
6 Received Data RD 2
7 DCD or DSR DCD/DSR 1 or 6
8 Clear To Send CTS 8
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