Removing PortMaster Expansion Boards
3-10 Communications Server Hardware Installation Guide
Removing PortMaster Expansion Boards
Follow these instructions to remove PortMaster expansion boards.
Required Equipment
ā Number 1 Phillips screwdriver
Procedure
Caution ā Wear a grounding strap when handling the internal components of the
PortMaster.
1. Turn the power switch off and disconnect the PortMaster from the power source.
2. Lay the PortMaster down on a hard, flat, static free surface.
Ensure that the LEDs are facing you.
3. Using a Phillips screwdriver, remove the screw from the top center of the
PortMaster.
4. Remove the lid.
With both hands on the sides of the PortMaster, push the lid firmly until it slides
approximately 3 inches back. Lift the lid up and remove it.
5. Unplug the 8-wire ribbon power cable and 60-wire ribbon bus cable from the
front of the expansion board.
!
S0
S5
S1
S6
S2
S7
RS-232
V.35
S3
S8
W1
S4
S9
ETHERNET
1187_0032
S20
S25
S21
S26
S22
S27
S23
S28
S24
S29
ISDN/U ISDN/U ISDN/U ISDN/U ISDN/U ISDN/U
S10-S11 S12-S13 S14-S15 S16-S17 S18-S19 HD
1187_0032
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