Specifications

Niagara Release 2.3
Revised: May 22, 2002 Niagara Networking & Connectivity Guide
Chapter 2 Configuration and Troubleshooting Tools
Niagara Configuration Tools
2–8
In the Niagara environment, you can use Hyperterminal to directly connect to a
JACE-4/5 when you cannot access it remotely across a LAN and need to change
settings to make it accessible. You actually connect to the target shell of the VxWorks
OS.
About the
VxWorks Target
Shell
The target shell is a command-line interpreter for VxWorks. It can be reached using
Hyperterminal, or by using the Telnet application over a LAN (see the next section).
It allows you to see station output from the JACE-4/5, as well as execute commands.
Caution Be very careful when using the target shell on a JACE-4/5. You log on to the
JACE with administrative privileges, which means you can change many
settings. Changes you make could have unexpected consequences, including
making the JACE inoperable. If possible, use the Admin Tool instead.
Use the following procedure to directly connect to a JACE-4/5 using Hyperterminal.
Procedure 2-5 Connecting to a JACE-4/5 using Hyperterminal.
Step 1 Based on the model of your controller, choose one of the following procedures to
connect the cable between your PC and the controller:
The two devices are now physically connected.
Caution Connecting to the JACE via the serial port disables communication to any
serial device previously using the COM1 port. If you have configured another
serial device to use COM1 on the JACE, any driver configured to use that port
will receive an error. This is especially relevant for the JACE-4 where the
COM ports are software-selectable. If the RS-485 port is configured as COM1
and you attach to the JACE on the RS-232 port, the RS-485 port will not
function until you disconnect from the RS-232 port.
Model Action
JACE-5
a. Attach a null modem cable to a serial port (generally COM1 or
COM2) of a Windows NT or 2000 computer. See “About Serial and
Null Modem Cables and Adapters,” page 2-12.
b. Attach the other end of the cable to serial port 1 of the JACE-5.
JACE-4
a. Attach a flat silver satin cable with standard male RJ-45 (8-wire)
connectors to the lower RJ-45 port (the RS-232 port) on the
JACE-4.
b. Connect the other end of the cable to a RJ-45 to DB-9 null modem
adapter. See “About Serial and Null Modem Cables and Adapters,”
page 2-12.
c. Connect the DB-9 adapter to a serial port (generally COM1 or
COM2) of a Windows NT or 2000 computer.