Hardware Overview; Front Panel Overview - Ross NK-IPS User Manual

Hardware Overview

This chapter presents information on the NK-IPS front and rear panels.

Front Panel Overview

The NK-IPS front panel includes status LEDs for T-Bus and network activity, as well as a RESET button.
NK-IPS Network Bridge
1) Heartbeat
2) Reset Button
1. Heartbeat
The NK-IPS reports the status by a pulsating LED, called a heartbeat.
Heartbeat Behavior
Flickers
Dims
Flashes rapidly
2. Reset Button
The button can be used in the event of device failure where the Heartbeat stops pulsing, the ETHERNET
Reset
LNK LED turns off, or the ETHERNET ACT LED stops flashing. In some cases, looping or daisy-chaining too
many devices on one line may cause a communication failure or a power dropout (with devices that are supplied
phantom power via the T-Bus line).
The button can be used as a last resort if errors are encountered, but no physical problem can be sourced
Reset
(disconnected or severed CAT5, power cable, etc.). Pushing the
3. T-BUS COMM LEDs
The front panel includes eight T-BUS LEDs that each represent a T-BUS connector on the rear panel of the NK-IPS.
These LEDs will light when data is transmitted to, or sent from, the NK-IPS.
4. ETHERNET COMM LEDs
LED
LNK
ACT
NK-IPS Installation Guide (v5.0)
T-BUS ETHERNET
RESET 1 2 3 4 5 6 7 8 LINK ACT
Figure 3.1 NK-IPS — Front Panel Overview
A switch message is handled by the NK-IPS
Indicates a handled message that did not result in a switch
An error condition is reported by the power supply
Table 3.1 Front Panel LEDs
Status
Green A valid physical ethernet connection is established, and the port is
active. There is data transfer activity on the indicated Ethernet port.
Flashing Network activity is transmitted or received.
Green
3) T-BUS COMM LEDs
4) ETHERNET COMM LEDs
Display and Description
button resets the NK-IPS.
Reset
Description
Hardware Overview • 13