Hitachi GR2000 manual Link/Act, Reset, EMA Supress, RM Change

					Component Details
	Table 3-8 RM-IO switch and function of LED indications
Name of switch		Switch or LED		Status	Content
and LED
ACCESS 1		LED: Green		Shows the state of	Blinking: MC card one being accessed. (Memory card
				MC card being	take-out is prohibited.)
				one.	Extinguished: MC card one being idle. (Memory card may
					be put in or taken out.)
LINK/ACT		LED: Green		Shows the ring	Green: Ring pulse being established.
				state of RM
				Ethernet
				connection port.
LINE ERR		LED: Yellow		Shows the fault	Yellow: Line fault detection.
				occurrence in the
				RM Ethernet
				connection port.
T/R		LED: Green		Shows the	Conditions of transmission and reception signals.
				contents of data
				transmission and
				reception of the
				RM Ethernet
				connection port.
LAMP TEST		Switch		Lamp test	Press: LED’s on all the boards are lit.
		(Non-lock)
RESET		Switch		Stops the function	Reset
		(Non-lock)		of the system
				switching circuit.
EMA SUPRESS		Switch (Lock)		Stops the function	Suppresses the operation/standby system switching circuit
(GR2000-4S)				of the system	of the duplicated basic control mechanism. Do not turn
				switching circuit.	this switch on during normal operation. If the switch for the
					operation system is turned on, EMA SUPPRESS LED’s in
					both systems are lit yellow. If the switch for the standby
					system is turned on, only the EMA SUPPRESS LED in the
					standby systems is lit yellow. Even if either switch is
					turned on, the system switching is suppressed.
RM CHANGE		Switch			Press: The operation/standby of the duplicated basic
(GR2000-4S)					control mechanism is changed over.
	Table 3-9 Specifications of 9-pin D-sub Connector on CONSOLE (RS232C) Port
	Pin No.		Specifications
	7		Request to send (RS) output
	8		Clear to send (CS) input
	6		Data set ready (DR) input
	4		Data terminal ready (ER) output
	1		Carrier detect of data channel receive (CD) input
	9		Called indicator (CI) input
	5		Signal ground or common line (SG)
	3		Send data (SD) output
	2		Receive data (RD) input
GR2K-GA-1002					3-13
Rev. 6.03