Lucent DDM-2000 OC-3 User And Service Manual page 474

363-206-285
Issue 2, February 2000
DO ITEMS BELOW IN ORDER LISTED . . . . .FOR DETAILS, GO TO
NOTE:
If external timing is selected and the NE ACTY LED remains
lighted after the TGS/TG3 circuit pack is reinserted, use the
CIT and the rtrv-sync command to check the operational
mode of the system. If the mode is Holdover instead of
External, check that the incoming timing references are
connected. Also check Mode Switching (revertive or
nonrevertive) and the external DS1 Line Code/Format
switch settings.
Set timing mode on TGS/TG3 circuit packs to the timing mode
specified in work order or office records. (OC-12 Reference:
363-206-295, DDM-2000 OC-12 Multiplexer, TARP Release 7,
User/Service Manual (TOP)—Volume II , DLP-510).
11.
NOTE:
If Kbyte or Sbyte (sync messaging) is enabled for the OC-3
MAIN-1 and MAIN-2(P) optical interfaces at any node in the
OC-3 ring, it must be enabled at all nodes in the OC-3 ring
and in the FUNCTION UNITS slots of the host OC-12 shelf.
NOTE:
The rtrv-oc3: command retrieves the
OC-3 Line Provisioning Report. This report displays
the provisioned configuration of OC-3 lines. See the
Commands and Reports section of 363-206-295, DDM-2000
OC-12 Multiplexer, TARP Release 7, User/Service Manual—
Volume I and 363-206-285, DDM-2000 OC-3 Multiplexer,
TARP Release 13 and Later, User/Service Manual—Volume
I for a description of the rtrv-oc3: command format.
Use the rtrv-oc3: command to obtain the
OC-3 Line Provisioning Report and verify if Kbyte/Sbyte
is enabled or disabled. Use the set-oc3: command to enable or
disable the Kbyte/Sbyte parameter, as required.
DDM-2000 OC-3 M
System Turnup:
ULTIPLEXER
NTP-050
Page 4 of 14
DLP-513