COMSPHERE 3600 Series Data Service Units
4-38
July 1999
3610-A2-GB91-90
Press the
or
key to display the output leads
(A is Pin 12, B is Pin 13):
F1
External Leads:
Out A:
Out B:
F2
F3
Table 4-13 describes the meaning of the state of each
input or output lead.
Changing External Leads
The Change (Chang) selection allows you to change
the state of the two output leads (for example, change a
lead to signal a console operator or reset a remote
computer). Table 4-13 indicates the possible states of the
output leads.
Table 4-13
Lead States
Symbol
Meaning
Off (below text line)
ON (above text line)
Changing
?
Indicates an illegal value.
NOTES:
Input leads A and B:
Off ( ) when voltage on lead is less than +.8V.
ON ( ) when voltage on lead is more than
+2.2V.
Output leads are either ON or Off:
When output is set to Off ( ), –12V is applied
to lead.
When output is set to ON ( ), +12V is applied
to lead.
If addressing this function to a remote DSU, its
network address is required.
To change the output lead states, press the F2 key from
the External Leads submenu. The following appears:
F1
OutA:
OutB:
Save
F2
F3
On this display, the F1 key selection ( ) toggles the
display between
( )
and
( )
for one lead at a time.
The field where the cursor is positioned flashes in inverse
video. The
or
key moves the cursor between the
Out A and Out B fields.
After the leads are set, press the F2 key to save the
leads in the specified state.
F1
OutA:
OutB:
Save
F2
F3
F1
Save Ext Leads:
Command Complete
F2
F3
Reporting External Lead Changes to NMS
Changing the output leads from the DCP or NMS, or
changing the input leads, changes the DSU’s health and
status message. If the DSU is polled by the NMS using
ADp, the 6800 Series NMS reports a change
configuration notification (CCN) event. The 6700 Series
NMS will also report a change configuration notice if
enabled. The NMS operator can then issue a CCN
Display command to determine what caused the event. If
the event was caused by the state in the external leads, the
operator can select Displ from the External Leads (ExtL)
branch to see the current states of the external leads. In
addition, if a positive voltage is detected in either one of
the input leads, an external leads alarm is also reported.
Содержание COMSPHERE 3610
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Страница 187: ...A 1 3610 A2 GB91 90 July 1999 Data Service Unit Menu A ...
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Страница 246: ...COMSPHERE 3600 Series Data Service Units E 2 July 1999 3610 A2 GB91 90 Figure E 1 Control Channel ...
Страница 247: ...Network Management Connectivity E 3 3610 A2 GB91 90 July 1999 Figure E 2 Extended Control Channel ...
Страница 259: ...Pin Assignments F 11 3610 A2 GB91 90 July 1999 Figure F 8 EIA 232 D Crossover Cable 4951 035F ...
Страница 263: ...Troubleshooting G 3 3610 A2 GB91 90 July 1999 Figure G 2 No Signal NS Condition Troubleshooting ...
Страница 265: ...Troubleshooting G 5 3610 A2 GB91 90 July 1999 Figure G 4 Out of Frame OOF Condition Troubleshooting ...
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