Specifications

Niagara Release 2.3
Revised: May 22, 2002 Niagara Networking & Connectivity Guide
Chapter 3 Connecting on a LAN
Connecting a New JACE Controller
3–10
Determining the Default Network Information
JACE controllers are shipped with pre-assigned network settings. In most cases, this
information will not be compatible with the network on which you are installing the
equipment, and you will want to change it. But in order to change it, you first need
to attach to the JACE using the pre-assigned network information.
In older units, the last digit of the IP address pre-assigned to the new JACE is the
same as the last digit of the serial number of the unit. In units shipped more recently,
the packing slip contains the IP address information.
Use the following table to determine default network configuration parameters for an
older JACE.
To change network settings on the new JACE, you must first connect it to an Ethernet
LAN using a straight through Ethernet UTP patch cable or attach to it directly using
a crossover cable. Then, use the Admin Tool from the Java Desktop Environment
(JDE) to change the network settings.
About Ethernet
Straight
Through and
Crossover
Cables
A 10/100BASE-T Ethernet port on a network interface card (NIC) uses 4 of the
possible 8 pins in the RJ-45 female connector. Pins 1 and 2 are used for transmitting
data, and pins 3 and 6 are used for receiving data. The port on a NIC is referred to as
an MDI port.
An Ethernet port on a hub, however, is referred to as an MDI-X port because the pins
transmitting and receiving data are crossed over. On an MDI-X port, pins 1 and 2
receive data and pins 3 and 6 transport data.
A standard Ethernet patch cable (used to connect a host and a hub) is wired straight
through so that the transmit pins on a NIC connect to the receive pins on the hub, and
vice versa.
Table 3-2 Initial network parameters for JACE controllers.
JACE Series Location of Serial Number on Unit
IP Address
Range Subnet Mask
JACE-NP On the back of the unit. 192.168.1.190 to
192.168.1.199
255.255.255.0
JACE-5 On the on the metal cover of the unit. 192.168.1.140 to
192.168.1.149
255.255.255.0
JACE-4 On the on the metal cover of the unit. 192.168.1.140 to
192.168.1.149
255.255.255.0