Hitachi GR2000 manual Status Link T/R Loop LOS RAI Line

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.

STATUS

LINK T/R

LOOP

LOS

RAI

LINE 3 LINE 2

T1 1.5Mbps

LINE 1 LINE 0

NWT1-4

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	Content
STATUS	LED: Green/	Shows the operating	Green: Operable operation
	Yellow/ Red	condition of NIF.	Yellow: Blocking and the board replaceable state.
			Green blinking: Under preparation (Program being