NTP-012
: Circuit Order 363-206-305
Page 2 of 4 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
DO ITEMS BELOW IN ORDER LISTED. . . . .FOR DETAILS, GO TO
7.
!
CAUTION:
Use caution when removing the small screws used to mount
the protection assembly cover. A magnetic screwdriver will
speed the removal and installation of the screws.
See Figure 1. At right rear of shelf, remove the metal protection
assembly cover by removing the four mounting screws.
8. Remove existing protection bus module. Insert the new module
into connector
P2
. (The connector is keyed to ensure proper
insertion.)
9. Reinstall the metal protection assembly cover.
10. If the protection mode is
1X7
, low-speed cables must be
connected from
J50
,
J51
,
J52,
and
J53
to the DSX-1 or DS1
Interconnect Assembly. If the protection mode is
1X1
, you
must
not
connect the low-speed cables to
J52
and
J53
. See Figure 1.
11. Peel off the label backing from the protection mode designation
label. Place the label on the middle designation strip located
between the
LOW SPEED
slots on
f
ront of shelf. See Figure 2.
12. Reset the shelf (unplug and reseat
SYSCTL
or use reset
command).
13. Use rtrv-eqpt command to verify that the low-speed protection
mode has been changed (Low speed protection mode:
1X1 or 1X7).
14. The system is now ready for service to be established.
Initial DS1 Service [
System Turnup: NTP-004
]
Initial T1 Service [
System Turnup: NTP-013
]
Initial HDSL Service [
System Turnup: NTP-017
]
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