COMSPHERE 3600 Series Data Service Units
3-12
July 1999
3610-A2-GB91-90
Verification Testing
Verification testing should be performed after any
installation. To verify operation of the Model 3611 DSU,
follow the Network Verification procedure. To verify
operation of the SNA Diagnostic Interface option, follow
the SNA Diagnostic Interface Verification procedure.
After installing and configuring a circuit (including
control and tributary DSUs, the DDS network, and DBMs
and their dial connections), perform the following series
of tests from the control DSU to verify network operation
(using either the DCP or NMS):
"
Procedure
1. Request a device Identity (ID from the Status
branch) report from each tributary to ensure that
the DSU is addressed properly.
NOTE
The Model 3611 is delivered with
its network address set to 254.
2. Perform a Digital Test (on the DDS circuit) to
ensure that the network is functioning.
For a DSU equipped with DBM:
3. Use the Dial command to establish a dialed call to
the tributary to test for dial tone and that the DSU
can make and receive calls.
4. Use the
→
Dial command to switch the data to the
PSTN circuit (enter Dial Backup mode) to ensure
that both DSUs have been configured correctly.
5. Perform a Digital Test (on the PSTN circuit).
6. Drop the backup.
For further information, refer to COMSPHERE
3600 Series Data Service Units, Models 3610 and 3611,
Dial Backup Module and SNA Diagnostic Interface
Options, Applications Guide, which can be ordered.
Replacing Firmware of an
Installed Model 3611 DSU
To replace or upgrade the firmware in a Model 3611
DSU, remove the DSU circuit card assembly (CCA) and
return the CCA to the factory. The CCA will be upgraded
and then returned to you, ready for reinstallation.
Once the DSU is reinstalled and the power-up tests are
completed:
"
Procedure
1. Go to the Configuration (Confg) branch.
2. Load the appropriate factory-loaded configuration
option set: FacT for a tributary, FacC for a control,
or FacB for a central-site DSU equipped with a
digital bridge.
3. Failure to select the appropriate factory-loaded
configuration option set may cause unreliable
performance of the DSU.
Summary of Contents for COMSPHERE 3610
Page 4: ...COMSPHERE 3600 Series Data Service Units C July 1999 3610 A2 GB91 90 Notices ...
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Page 27: ...Introduction 1 11 3610 A2 GB91 90 July 1999 Figure 1 4 NMS Interfaces to the SDU 1 of 2 ...
Page 128: ...COMSPHERE 3600 Series Data Service Units 5 6 July 1999 3610 A2 GB91 90 ...
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Page 187: ...A 1 3610 A2 GB91 90 July 1999 Data Service Unit Menu A ...
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Page 189: ...Data Service Unit Menu A 3 3610 A2 GB91 90 July 1999 ...
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Page 224: ...COMSPHERE 3600 Series Data Service Units C 22 July 1999 3610 A2 GB91 90 ...
Page 259: ...Pin Assignments F 11 3610 A2 GB91 90 July 1999 Figure F 8 EIA 232 D Crossover Cable 4951 035F ...
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