363-206-204
Release 7 Installation Tests
Issue 9 October 1998
6-13
connecting to M2) around the ring until all nodes in the ring are reached. Refer to
Figure 6-1.
1. Set each shelf in the system for the correct timing. Conventionally, one
node in the ring will be set for either free running or externally timed and
the others will be looped timed. Only one node may be free running. More
than one node can be externally timed if traceable to the same source
clock, and the remainder looped. Check that external connections are com-
pleted if option is set for external.
2. If TGS Circuit Pack option switch is changed, an update must be done by
momentarily depressing the UPD/INIT button on the SYSCTL after the
TGS pack is installed.
3. Issue set-ne to check TID to verify that each shelf within the network has
a unique TID.
4. Check shelf numbers. Shelves located in the same bay require unique shelf
numbers, to be distinguished from one another when addressed by the
same CIT.
5. For Releases other than 7.2, one shelf (and only one shelf) in the network
must be set as the Gateway Network Element (GNE). Using the set-ne
command, set one shelf to be the GNE.
6. For Release 7.2, one shelf (and only one shelf) in the network must be set
as the Directory Services Network Element (DSNE). The shelf designated
as the DSNE should not be set as an Alarm Gateway Network Element
(AGNE). Using the set-ne command, set one shelf to be the DSNE and
set AGNE to no.
7. For Release 7.2, one shelf in the network must be set as the AGNE. Leave
one shelf (other than the DSNE shelf) set as the AGNE. Using the set-ne
command, set AGNE to no in all other shelves.
8. Issue the command set-fecom:dcc-all:com=enabled; at each shelf
to enable far-end communications.
Procedure for Installation
1. Refer to Figure 6-1 to understand the method of connecting ring fibers.
Your ring, will differ from Figure 6-1 if you have more or less than four
nodes, thus use an appropriate figure, adapted to your ring configuration.
Connect fibers using the following instructions, adapted to fit your ring:
If the proper LBO is not known for each optical fiber span see DLP-
514 of 363-206-202,
DDM-2000 OC-3 Multiplexer User/Service
Manual
to determine the LBO needed.
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