363-206-204
Powering, Verification, and Circuit Pack Installation
Issue 9 October 1998 4-39
4. In Release 6, switches S2-1 though S2-4 are used to control the identifica-
tion of the DCC for open systems interconnection (OSI) interworking. For a
given optical span, the network elements that terminate on each side of the
optical span must have their "network side"/"user side" parameters set to
opposite values to avoid an "
inconsistent DCC switches
" alarm.
Switch S2 is set to OFF for the Network Side and ON for the User Side. In
linear releases switch S2-1 is associated with the OLIUs in the MAIN slots,
switch S2-2 is associated with the OLIUs in the FUNCTION UNIT A slots,
switch S2-3 is associated with the OLIUs in the FUNCTION UNIT B slots,
and switch S2-4 is associated with the OLIUs in the FUNCTION UNIT C
slots. The following figure illustrates the S2 switch settings for switches
associated with OLIUs in the MAIN and FUNCTION UNITS slots at each
end of the interconnected optical spans for linear/hub configurations.
5. In Release 7 switches S2-1 though S2-4 are used to control the identifica-
tion of the DCC for open systems interconnection (OSI) interworking. For a
given optical span, the network elements that terminate on each side of the
optical span must have their "network side"/"user side" parameters set to
opposite values to avoid an "
inconsistent DCC switches
" alarm.
Switch S2 is set to OFF for the Network Side and ON for the User Side. In
ring releases switch S2-1 is associated with the OLIU in the MAIN 1 slot,
switch S2-2 is associated with the OLIU in the MAIN 2 slot, switch S2-3 is
associated with the OLIUs in the FUNCTION UNIT B slots, and switch S2-4
is associated with the OLIUs in the FUNCTION UNIT C slots. The following
figure illustrates the S2 switch settings for switches associated with OLIUs
in the MAIN slots at each end of the optical spans for ring configurations.
Figure 4 -9. BBG7 (OHCTL) Option Switches (Sheet 2 of 3)
Summary of Contents for DDM-2000 OC-3
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Page 144: ...2 70 Issue 9 October 1998 363 206 204 Equipment and Rear Access Cable Installation ...
Page 192: ...3 46 Issue 9 October 1998 363 206 204 Equipment and Front Access Cable Installation ...
Page 304: ...6 30 Issue 9 October 1998 363 206 204 Release 7 Installation Tests ...
Page 330: ...7 24 Issue 9 October 1998 363 206 204 Release 8 Installation Tests ...
Page 398: ...9 32 Issue 9 October 1998 363 206 204 Release 13 TARP Installation Tests ...
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