Table of Contents
Advertisement
Hitachi Gigabit Router GR2000-B Series Installation Guide
Table 1-7
Indicator
No. Name
Color
1
LOOP 0
Yellow
2
LOS 0
Yellow
3
RAI 0
Yellow
4
LINE ERR 0
Yellow
5
ACT 0
Green
6
T/R 0
Green
7
LOOP 1
Yellow
8
LOS 1
Yellow
9
RAI 1
Yellow
10 LINE ERR 1
Yellow
11
ACT 1
Green
12 T/R 1
Green
13 STATUS
Green/
Yellow/Red
Note:
Regardless of the state of the line, this indicator will be lit if the system detects date being sent or received.
Because of this, there is a chance that this indicator will be lit even if the cable is not connected on the destination
side.
(2) Connector
For the information about the cables to be connected to each connector of the
chassis, refer to Chapter 3.
1-20
NWBT3-2U Front Panel Indicators and Switches
Purpose
Description
Shows the
ON: Being looped by request of a device at the destination.
condition of
ON: LOS detected.
LINE 0.
ON: RAI detected.
ON: Line failure detected.
ON: Line is active.
ON: Packet being sent or received (see Note).
Shows the
ON: Being looped by request of a device at the destination.
condition of
ON: LOS detected.
LINE 1.
ON: RAI detected.
ON: Line failure detected.
ON: Line is active.
ON: Packet being sent or received (see Note).
Shows the
Green (blinking): In preparation (program being loaded)
condition of
Green ON: Operation is possible.
NIF.
Yellow ON: Locked out.
Red ON: Failure detected.
OFF: Operation impossible or unit power is OFF.
GR2K-GA-0007
Rev. 5.00
Advertisement
Table of Contents
