Nortel Meridian SL-100 SE, Replacement

Page: 43 / 338

FSP card replacement procedures 43
Meridian SL-100 SE Commercial Systems Card Replacement Procedures MSL15
NT0X91
in Meridian Cabinet Trunk Module—ISDN
(continued)
At the shelf:
13
Power down the power converters (NT2X70) associated with the
card you are replacing. Power converters are in slot 25. Lift up
the handles on the power converter card and slide the card
towards you (about one inch). The circuit breakers associated
with the shelf and unit will go to the OFF position.
14 Unscrew the slotted nut on the left hand side of the FSP.
15 Open the FSP.
16 Remove the card.
17 Insert the replacement alarm and control card.
18 Close the FSP.
19 Tighten the slotted nut on the FSP.
20 Slide power converter back into position. Push down on the
handles to lock into place.
21 The next action depends on the type of power converter in the
cabinet.
DANGER
Static electricity damage
Wear a wrist strap connected to the wrist-strap
grounding point of a frame supervisory panel
while handling circuit cards. This protects the
cards against damage caused by static
electricity.
CAUTION
SYSB state occurs
The ENET message links will go to the system
busy (SYSB) state.
If the power converter is an Do
NT2X70AD step 23