Nortel DMS 100 Series Maintenance Manual page 237

At the cabinet
12
Put on a wrist strap.
Remove the NTMX82 packlet(s) as described in the following steps:
a
b
c
13 Before you insert the replacement circuit card, make sure the switch settings
match the settings on the circuit card that you remove. The next table
describes the PCM30 DIP switch settings on the NTMX82 circuit card.
NTMX82 switch settings (Sheet 1 of 2)
Port
Even port
Even port
Note: Set switch S2 positions 1 & 2 to ON to enable messaging.
DMS-100 Family Remote Switching Center Multi-Access Maintenance Manual XPM11 and up
WARNING
Static electricity damage
Wear a wrist strap that connects to the wrist strap grounding
point on the left side of the modular supervisory panel (MSP)
of the RCO2. The wrist strap protects the equipment against
static electricity damage.
DANGER
Equipment damage
Take the following precautions when you remove or insert a
card:
1. Do not apply direct pressure to the components.
2. Do not force the cards into the slots.
Locate the packlet to remove on the appropriate NTMX87 circuit card
slot.
Open the locking lever on the packlet you replace. Carefully pull the
circuit card toward you until the card clears the shelf.
Make sure the replacement circuit card has the same PEC and PEC
suffix as the circuit card you remove.
Impedance
75 OHM
120 OHM
RSC-M card replacement procedures
in an RSC-M
Output
Switch S3 pos 1, 2, 3, and 4 ON ,
pos 5 and 6 OFF
Switch S3 pos 1 and 5 ON,
pos 2, 3, 4, and 6 OFF
6-85
NTMX82
(continued)