NEC 140Rc-4 manual Setting Up Your Server

3-30 Setting Up Your Server

Connection between the RJ-45 Serial Port and Device Needing a DCD/DSR Signal

If a "terminal concentrator" or the like is to be connected to the RJ-45 serial port, thoroughly read the instruction manuals of the connection-destination equipment and cable before starting the connection. Set the jumper pin of this server to "DCD" or "DSR" in accordance with the signal that the connection-destination equipment needs.

The jumper settings and serial port signals of this server are as shown below. When directly connecting the server and a terminal concentrator or the like through an RJ-45 cable, prepare the cable according to the figure below.

IMPORTANT:

„Make sure of the icon of the server, and be sure to connect the cable to serial port B. Be careful not to connect to a LAN port by mistake.

„To prevent wrong connection, write "LAN port" on a tag and put the tag to the connector of the LAN cable that is to be connected to this server.

„Be sure to observe the following items to prevent damage to this server and the peripheral device:

–When using a shielded cable (STP cable), confirm that the connector of the connection-destination equipment is compatible with the STP cable. Connect the equipment to the server through an STP cable of up to 15 m.

–When using an unshielded cable (UTP cable), confirm that the connection-destination equipment is mounted in the rack of the server or a rack linked with the server rack. Connect the equipment to the server through a UTP cable of up to 15 m.

–To prevent wrong connection, write "Serial port" on a tag and put the tag to the connector of the serial cable that is to be connected to this server.