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CHAPTER 4: DEFINITIONS OF 7500 OPTIONS
Without Help
Interactions with Attention: You can also select [
three character sequence specified by the Attention option. If you do select [
sequence, you cannot use [
In Mode 2, Break is transported to the far-end regardless of the option setting.
Busyout
Configurations: Asynchronous DCE, Asynchronous DTE, Synchronous DCE
This option provides a method for taking 7500's out of service temporarily. When this option is set
to on, you can make the 7500 appear "busy" to some networks* during a local loopback test. When set
to off, local loopback testing will not cause the set to appear "busy" to the network.
This option may be used to prevent hunt group lock-up during local loopback testing or for 7500
maintenance.
* Networks which support AT&T ISDN Basic Rate Interface (BRI) Specification's Endpoint Service
State Maintenance and Management Procedures (document number 801-802-100).
54
Asynchronous DCE and Asynchronous DTE
Option Values For Break
Front Panel
With Help
OFF
0
ATTENTION
1
INTERRUPT
2
BREAK
3
DISCARD
4
RESET
5
] for any of the functions described above.
BREAK
Asynchronous DCE and Asynchronous DTE
Option Values For Busyout
Front Panel
With Help
Without Help
OFF
0
ON
1
Factory Value
CMD
Mode
DCE
off
attention
interrupt
X
break
discard
reset
] as an Attention sequence in addition to the
BREAK
Factory Value
CMD
Mode
DCE
X
off
on
DTE
X
] as the Attention
BREAK
DTE
X
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