Operation Manual
5. Operation and performance
C SERIES Operation Manual rev 3.0.0
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• CPL, Current Peak Limiter (orange), when ashing indicates the maximum possible current draw has
been reached.
• CPL, Current Peak Limiter (orange), when constant indicates excessive current draw caused by a short circuit
on the output or very low operational impedance. When detected, the output will mute for six seconds before
re-measuring the output impedance. This will continue until the short circuit is removed. CPL remains constant
orange in a fault condition only when an input signal is present.
• Temperature (yellow) warning is indicated by a ashing LED. If the amplier goes into thermal protect (output
muted) the LED illuminates constant yellow.
• VHF, Very High Frequency protection (yellow), indicates that potentially harmful continuous high frequencies
have been detected on the input signal. The output is muted.
• PAL, Power Average Limiter (red), indicates that the amplier is limiting because the power supply and/or the
mains-inlet fuse has reached maximum capability.
• Hardware fault is indicated when both the CPL and VHF indicators light up simultaneously. The amplier
requires servicing before being placed back in operation.
5.7. NomadLink network and DeviceControl software
5.7.1. NomadLink network in the amplifiers
All C Series ampliers are equipped with the proprietary NomadLink network interface. This includes two RJ45
connections in standard housings: one IN and one OUT.
Use standard straight Cat-5 Ethernet cables with RJ45 connectors to connect the amplier to the NLB 60E
NomadLink Bridge and Network Controller or to daisy-chain multiple ampliers.
NOTE: It is very important that two IN or two OUT ports are NEVER connected to each other. This
will cause the NomadLink communication and DeviceControl to exhibit erratic behavior and display
inaccurate data. However, this situation will not damage the amplier circuitry.
Up to 60 ampliers can be connected to one NLB 60E in a daisy-chain or closed loop.
When the NLB 60E is powered up, the NomadLink network receives phantom power. This causes the blue
NomadLink LED on the amplier front panel and the NomadLink LED on the rear panel to light up. NomadLink is
active even when the amplier has mains power disconnected or is not yet powered up.
The amplier does not have a stand-by power supply for the network. The network is solely powered from the NLB
60E. Should an amplier fail or be inadvertently disconnected from the mains, network integrity is fully maintained
and all ampliers remain visible on the system.