Nortel DMS-100 Series Maintenance Manual page 540

12-192 Star Remote System card replacement procedures
NTTR87
in a STAR
(continued)
16
At the SRHE frame
17
18
297-8353-550 Standard 05.01 March 2001
Determine if additional RLDs connect to the NTTR87.
If additional RLDs are
connected
not connected
DANGER
Static electricity damage
Before removing any cards, put on a wrist strap and connect
it to the wrist strap grounding point on the left side of the
frame supervisory panel (FSP) of the STAR. This protects the
equipment against damage caused by static electricity.
DANGER
Equipment damage
Take the following precautions when removing or inserting a
card.
1. Do not apply direct pressure to the components.
2. Do not force the cards into the slots.
Put on a wrist strap.
Remove the NTMX81 packlets as described in the following steps:
a Locate the NTMX81 packlets to be removed on the appropriate NTTR87
quad carrier card slot.
b Open the locking lever on the NTMX81 packlet. Carefully pull the packlet
toward you until it clears the shelf. Repeat this step for all four packlets.
c Make sure the NTMX81 packlets are stored in an electrostatic discharge
(ESD) container for protection of the circuit card until the packlets are
installed again in the NTTR87 quad carrier card.
Using the T9908 wrist grounding strap and a T1324 screwdriver, remove the
NTTR87 card. Insert the new card and tighten the screws.
Do
step 13
step 17