Installation
Page 2-4
RS232C
Connections
Connectors for the NET-PATH (labeled Host 1 through Host n) are configured as Data
Terminal Equipment (DTE) and use RJ45 connectors.
Connect the cables from the NET-PATH host ports to the proper connectors on the
host device.
If your host system does not provide the DSR signal, you must loopback the DSR and
RTS signals on the end of the cable connected to the host and ensure the signal passes
through to the cable to the remote agent. Doing so allows the remote agent to detect
connector present from the host; however, it will not detect when the cable is
unplugged. See Figure 2-5 for loopback configuration.
Table 2-1: Host Ports RJ-45 Connector Designations (DTE)
Pin Signal Description Direction Function
1 DSR Data Set Ready IN Must be ON (TRUE) to
indicate HOST
CONNECTED. OFF
indicates HOST NOT
PRESENT.
2 DCD Data Carrier Detect IN An inbound line from
an external modem
indicates that the
carrier for the transmit
data is ON.
3 DTR Data Terminal Ready OUT ON or OFF, depending
on the application and
options selected in the
database. Usually ON
when the NET-PATH is
ready.
4 GND Signal Ground
5 RD Receive Data IN Data from the host
device
6 SD Send Data OUT Data to the host device
7 CTS Clear to Send IN Hardware handshake
will be ON when
connected host is
ready to receive.
8 RTS Request to Send OUT Hardware handshake
will be ON (TRUE)
when the NET-PATH is
ready to send.
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