Intel SCB2 Product Guide - Page 15

See J6A2 Jumper Block for DCD Signal, Table 3., Rear COM2 Port Adapter Pin-out

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✏ 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 configured 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. DSR to Pin#7 DCD to Pin#7 Figure 3. J6A2 Jumper Block for DCD Signal For serial concentrators that require a DSR signal, the J6A2 jumper block must be configured 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. DSR to Pin#7 DCD to Pin#7 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 1 Request to Send RTS 2 Data Terminal Ready DTR 3 Transmitted Data TD 4 Signal Ground SGND 5 Ring Indicator RI 6 Received Data RD 7 DCD or DSR DCD/DSR 8 Clear To Send CTS DB9 7 4 3 5 9 2 1 or 6 8 Description 15

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Description
15
DSR to Pin#7
DCD to Pin#7
DSR to Pin#7
DCD to Pin#7
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 configured 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 configured 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