Penguin Computing Relion 1900e, Technical Manual

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Relion 1900e/2900e Manual
Revision 1.0 52
** Pin 7 of the RJ45 Serial A connector is configurable to support either a DSR (Default) signal or a DCD
signal. Pin 7 signals are changed by moving the jumper on the jumper block labeled “J4A4”, located behind
the connector, from pins 1-2 (default) to pins 2-3.
Serial-A configuration jumper block (J4A4) setting:
Serial-B is an internal 10-pin DH-10 connector labeled “Serial_B”.
The Serial B connector has the following pin-out.
Table 17. Serial-B Connector Pin-out
Signal Description Pin# Pin# Signal Description
DCD 1 2 DSR
SIN 3 4 RTS
SOUT 5 6 CTS
DTR 7 8 RI
GROUND 9 KEY
Serial B
DH-10