Hardware Installation
Memotec Inc. 3-9
3.3 Removing an Interface Card
NOTE: This procedure must be followed to change the hardware strapping on an
interface card that has already been installed. (For interface card installation,
see “Installing an Interface Card” on page 3-16.)
► To remove an interface card:
1. Wear an ESD (Electronic Sensitive Devices) wrist strap, and attach it to the ground
lug on the power supply at the rear of the SDM-9XXX Series chassis.
For the exact location of the ground lug, see:
“Rear View of the SDM-9120” on page 4-3 or
“Rear View of the SDM-9220/9230 UAC” on page 4-5 or
“Rear View of the SDM-9140 with UAC Power Supply Options” on page 4-8 or
“Rear View of the SDM-9140 with -48VDC Power Supply Options” on page 4-9
NOTE: In countries where a 2-pin non-grounded power cord must be used, ensure
that the SDM-9XXX Series unit is independently grounded with a wire from Ground
securely attached to the ground lug located at the rear of the SDM-9XXX Series
chassis.
2. Ensure that the SDM-9XXX Series unit is securely placed on a hard, flat surface, with
the port connectors facing you.
3. Turn the power switch OFF by pushing it to 0, and unplug the power cord from the
power supply.
NOTE: You do not need to disconnect any cables that may be connected to the data
(WAN/User), LAN or console ports, or to other interface cards that may be already
installed.
4. Using a small, non-magnetized Phillips screwdriver, loosen the 2 captive screws that
hold the faceplate of the interface card onto the chassis wall.
Caution
Do not expose the interface card or the SDM-9XXX Series unit to a
magnetic field or electrostatic charge at any time. Electrostatic
charges can damage system components. Always follow ESD
procedures and use an ESD (Electrostatic Sensitive Devices) wrist
strap when accessing internal components of the unit.
Warning
To avoid electrical shock and damage to the unit, make sure that
the unit is disconnected from its power source before you access
any of its internal components. Use ESD procedure at all times.
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