Nwt1-4 - Hitachi GR2000 Series Installation Manual

The NWT1-4 physically appears as Figure 3-36. This NIF has four ports for
connection with 8-pin modular connectors of RJ-48. Table 3-38 shows the connector
specifications.
Figure 3-36 NWT1-4 Front Panel View
Switch and LED indication
Table 3-39 NWT1-4 switch and function of LED indications
Name LED: Color
STATUS LED: Green/
Yellow/ Red
LINK T/R
LOOP
LOS
RAI
LINE 3 LINE 2
Status
Shows the operating
condition of NIF.
T1 1.5Mbps
LINE 1 LINE 0
Content
Green: Operable operation
Yellow: Blocking and the board replaceable state.
Green blinking: Under preparation (Program being