Download - 06-Introduction to Service Terminal
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Introduction to Service Terminal
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Content
• Introduction to Service Terminal
• Service Terminal on DMX units
• Service Terminal on Chorus units
• Service Terminal extensions
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Introduction to Service Terminal
• A service terminal is a terminal which can be connected to a computer unit for system monitoring as well as fault investigation.
• Service Terminal session:– Local, connect directly to a computer unit through a serial interface.
– Remote, connect from MML session or Service Terminal session of another computer unit.
ST session
ST session
MML session
local session
remote session
ZRS or connect
ZDDS
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Service Terminal on DMX Units
• Maximum number of Service Terminal sessions:– 2 local sessions– 2 remote sessions
• Interface for local connection: serial port with RJ45 connector• Line properties
– Bit rate 9600 bit/s– 7 data bits– Even parity– 2 stop bits
• Optional settings– Auto wrap: off– xon/xoff protocol– local echo: off RJ45 to DB9 converter
Com
puter Unit
Wor
ksta
tion
(PC
)
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ST program on DMX units
Prompt
Example:
XXXX:YYY> “:“ indicates service terminal session established by connecting a cable directly to a DMX computer units
XXXX is the physical address of computer unit where service terminal session opened. For example; 0000 stands for OMU-0.
YYY shows where you are in command menu tree. For example; MAN = main level, OSC = Operating System Command.
XXXX-YYY> “-” indicates service terminal session established remotely, either from an MML session or Service Terminal session in others computer units.
Otherwise same as above.
Physical address of OMU-1
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Basic ST operation on DMX Units
? Show available commands
Z Return to the main level command
ZE End session
?<command> Show command syntax
up-arrow / ctrl-B Previous command
ctrl-W Beginning of line
ctrl-D Backward char
ctrl-G Delete char
ctrl-L Show last command
ctrl-U / ctrl-X Ignore command
ctrl-Z Show line editing commands
Down-arrow / ctrl-N Next command
ctrl-E End of line
ctrl-F Forward char
DEL Delete backward char
ctrl-R Repeat last command
ctrl-A Toggle insert / overwrite
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ST Program Main Menu on DMX Unit
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Service Terminal on Chorus unit
• Maximum number of Service Terminal sessions
– 1 local session
– 2 remote sessions
• The same configuration for local connection as it is on DMX units
• Special handling for computer unit with child units, A2SU and DMCU, jumper position for local ST connection is applied
PG-0PG-1
PG-2
PG-3
PG-0PG-1
PG-2
PG-3
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ST Program on Chorus Units
Prompt
Example
XXXX-$ “$” indicates service terminal session in a Chorus unit. There is no difference between local and remote session.XXXX is the physical address of computer unit where service terminal session opened. For example; 000A stands for A2SP-1.
Physical address of A2SP-1
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Basic ST operation on Chorus Units
help List internal command
<command> -? Show command help
quit / exit / logout End session
ls List the contents of a directory
cd Change working directory
pwd Display the working directory name
up-arrow Previous command
down-arrow Next command
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ST Program Main Menu on Chorus Unit
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Service Terminal Extensions
• Service Terminal extensions are programs which usually not included in the main menu.
• An extension needs to be installed first before it is available in the main menu.
• The extensions are loaded from system disk (WDU) or other removable media
• Some extensions, by default, are loaded onto a computer unit during the start-up phase
• These default extensions may be different in different units.
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Installing ST Extensions on DMX Unit
1. List available extensions using LS; command
2. Take a note module ID (first three letter of an extension module name) you wish to install
3. Install using LP:<COMM>,<MOD_ID>; command
Example:
• Installing “Recovery Userpart” extension (RCJ) and use “J” key to execute the extension from the main menu.
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Installing ST Extensions on Chorus Unit
• ST Extensions in Chorus unit are handled by using “loadext” command.
• Use ”loadext” with extension name. It will automatically match name to file name and loads from disk.
• Use option to load extension manually from disk.
0400-$ loadext olog
Loading file 00000000 CSXOLOGX from 0000 to /bin/olog.gz
Loading done
0400-$
0400-$ dxfload -n CSXOLOGX -u 0 -d -o /bin/olog.gz
Loading file 00000000 CSXOLOGX from 0000 to /bin/olog.gz
Loading done
0400-$
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