Toshiba V Series User Manual page 40

Chapter 1 Overview of Loop Controller L3
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(1) Status LED
Indicates the operation status (RUN/ERROR mode) of the IF748.
Table 1-17 Indication by Status LED
Name of LED
RUN ON: RUN mode
OFF: ERROR mode
(2) Online/Standby LED
Indicates whether the L3 CPU module is online or standby.
Table 1-18 LED Status for Online/Standby
Online (Normal)
Equalizing
Standby (Normal)
Equalizing
Single operation
(3) Primary/secondary switch
Used to set the L3 basic unit as primary or secondary module.
Table 1-19 Setting of Primary/Secondary Switch
Setting
PRI The applicable CPU module operates as online module when both
blocks of the L3 main unit in duplex configuration are started
simultaneously.
SEC The applicable CPU module operates as standby module both
blocks of the L3 main unit in duplex configuration are started
simultaneously.
(4) Tracking data transmission/reception LED
Indicates whether tracking data is transmitted or received.
Table 1-20 Tracking Data Transmission/Reception LED
Name of LED
TX ON: Transmitting
RX ON: Receiving
(5) Tracking status/data connector
A dedicated connector to connect tracking cable
(6) Direct bus connector
A dedicated connector to connect direct bus
Indication
L3 CPU module
(L3PU11/L3PU21)
RUN/HARD/SOFT: ON
7-segment LED: [On]
RUN/HARD/SOFT: ON
7-segment LED: [EL]
RUN/HARD/SOFT: ON
7-segment LED: [Sb]
RUN/HARD/SOFT: ON
7-segment LED: [rc]
RUN/HARD/SOFT: ON
7-segment LED: [Od]
Description
Indication
model 3000 Loop Controller L3 User's Manual - Basic Hardware -
Duplexing interface
(IF748)
ONL: ON
STDY: OFF
ONL: Blinking
STDY: ON
ONL: OFF
STDY: ON
ONL: ON
STDY: Blinking
ONL: OFF
STDY: OFF