Hitachi GR2000 Series, Installation Manual

Page: 115 / 410

Component Details
GR2K-GA-1002 3-13
Rev. 6.03
ACCESS 1 LED: Green Shows the state of
MC card being
one. Blinking: MC card one being accessed. (Memory card
take-out is prohibited.)
Extinguished: MC card one being idle. (Memory card may
be put in or taken out.)
LINK/ACT LED: Green Shows the ring
state of RM
Ethernet
connection port. Green: Ring pulse being established.
LINE ERR LED: Yellow Shows the fault
occurrence in the
RM Ethernet
connection port. Yellow: Line fault detection.
T/R LED: Green Shows the
contents of data
transmission and
reception of the
RM Ethernet
connection port. Conditions of transmission and reception signals.
LAMP TEST Switch
(Non-lock) Lamp test Press: LED’s on all the boards are lit.
RESET Switch
(Non-lock) Stops the function
of the system
switching circuit. Reset
EMA SUPRESS
(GR2000-4S) Switch (Lock) Stops the function
of the system
switching circuit. Suppresses the operation/standby system switching circuit
of the duplicated basic control mechanism. Do not turn
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
(GR2000-4S) Switch Press: The operation/standby of the duplicated basic
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
Table 3-8 RM-IO switch and function of LED indications
Name of switch
and LED Switch or LED Status Content