Operation Manual
4. Product Overview
C SERIES Operation Manual rev 3.0.0
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4.3. NomadLink / Ethernet network setup
The amplier includes, as a standard feature, internal facilities for the NomadLink monitoring and control network.
All features of the NomadLink network are accessible via a PC running LAB GRUPPEN’s proprietary DeviceControl
software. A single rackspace NLB 60E NomadLink Bridge & Network Controller accepts the TCP/IP data stream
from the computer and converts it to the NomadLink protocols. Even when no computer is connected, the
NLB 60E can initiate stand-alone power on/off and muting functions, as well as report any fault or warning
conditions.
The PC is connected to the NLB 60E using a standard Ethernet interface and a crossed Cat-5 cable (peer-to-
peer setup). If a hub or switch is in the network, standard “straight” Cat-5 cables must be used. The front and rear
Ethernet connections on the NLB 60E can be used individually, but only one PC at a time running DeviceControl
can access the subnet.
NOTE: Many newer laptop computers will allow peer-to-peer connection with the NLB 60E using a
standard “straight” Cat-5 cable instead of a crossed cable.
The default xed TCP/IP address of the NLB 60E is 192.168.1.166. The subnet mask is 255.255.255.0. For further
system conguration details, please refer to instructions supplied with the NLB 60E unit.
The NomadLink connections between ampliers use standard “straight” Cat-5/RJ45 equipped cables.
NOTE: US National Differences cl.16.3 requires that NomadLink network cables must be rated VW-1.
The OUT port from the NLB 60E must be connected to the IN port of the rst amplier. The OUT port from the rst
amplier in turn connects to the next amplier’s IN port to form a daisy-chain The OUT port on the last amplier is
connected to the IN port on the NLB 60E to close the loop.
NOTE: There are performance limitations to cable lengths on a NomadLink network, both in terms of
total cable length in the loop and between any two devices. These limitations follow standard Ethernet
cabling protocols. Read the Operation and Performance chapter in this manual, or the Operation
Manual supplied with the NLB 60E, to ensure the network is congured within these constraints.
TIP: Although the network will function as an open loop under most circumstances, it is strongly
recommended that the loop be closed by connecting the last amplier’s OUT port to the NLB 60E’s IN
port. Doing so will improve redundancy and communication speed.
External contact closures and 24 V low/high triggers can be connected to the GPI connectors on the NLB 60E for
control of re-alarm systems or external power sequencers. For more details read the instructions supplied with the
NLB 60E.