Hitachi GR2000 manual Yellow Blocking and the board replaceable state

The NWJ1-4U physically appears as Figure 3-33. This NIF has four ports for connection with 8-pin modular connectors of RJ-45 in compliance with IS8877. Table 3-34 shows the connector specifications.

STATUS

LINE ERR

ACTIVE

T/R

LINE 3

ISDN/HSD 1.5Mbps UNCHANNELIZED (JAPAN)

LINE 2 LINE 1 LINE 0

NWJ1-4U

Figure 3-33 NWJ1-4U Front Panel View

Switch and LED indication

Table 3-33 NWJ1-4U switch and function of LED indications

Name	LED: Color	Status	Content
STATUS	LED: Green/	Shows the operating	Green: Operable operation
	Yellow/ Red	condition of NIF.	Yellow: Blocking and the board replaceable state.