Remove an I/O Data Cable Assembly
- Examine the replacement cable before proceeding.
- Unpack and inspect the connectors of the replacement cable.
Do not discard the plastic covers on the connectors.
Note - If a guide pin is bent or loose, return the cable and order
another replacement cable.
Caution - Avoid excessive handling of the cable. Repeated bending of the cable can break
wiring to individual connector pins, as can sharp bending of the wires.
- After the inspection, place the connector covers back on the connectors.
Do not discard the shipping package. You will use it to return the
- Prepare the server.
- Halt and power down the server.
See Prepare to Power Off the Server.
- Remove the front and rear doors.
See Remove the Door.
- Remove the front trim panels to protect them from being scratched.
See Remove the Trim Panels to remove the following parts.
- Remove the two side trim panels.
- Remove trim panel standoffs.
Remove the standoffs on each side to protect them from breakage.
- Use an antistatic wrist strap to protect the equipment from ESD damage.
- Prepare an access space in the front of the server:
- Remove the front filler panel.
See Remove the Front Filler Panel.
- Remove the upper fan cage.
See Remove the Upper Fan Cage.
- Disconnect the cable from the midplane.
- At the front of the server, disconnect the T6/T7/T8/T9 connector assembly:
There are two metal locking levers on the assembly. The levers push against
plastic locking tabs located above the assembly.
- Push up slightly on the plastic locking tab, then pull down the lever
- Unlock the second lever in the same way.
- Pull the cable assembly out of the midplane connectors (detail 2).
Let the assembly hang free.
- Note how the T6/T7/T8/T9 connector is oriented.
You must orient the connector in the same way when you install the
replacement cable assembly. The plastic plate that holds the connectors together faces up
as you pull the connectors out of the sockets, and the plate faces
the midplane as the cables hang free.
- Place covers on the T6/T7/T8/T9 connectors.
A set of covers is included with the replacement cable assembly.
- Detach the cabled lower bus bar assembly.
- Loosen two captive T20 Torx screws that hold the plastic housing of the
assembly to the midplane (detail 1).
- Pull the assembly out of the socket (detail 2).
- Disconnect connector T5 from the midplane:
- Undo the T20 captive screw on the connector bracket (detail 1).
- Pull the connector out of the socket (detail 2).
- Place a cover on the T5 connector.
- Go to the rear of the server.
- Remove the I/O Unit that connects to the I/O data cable assembly.
See Remove an IOU .
When you remove the I/O Unit, you see the support bracket for the
I/O data cable assembly.
- Place plastic covers on the connectors on the support bracket.
Covers are included with the replacement cable.
- Disconnect the support bracket from the server chassis.
- Loosen the four captive T20 screws.
- Carefully pull the support bracket partway out of the I/O unit slot.
The cables are still attached, so move slowly and stop as soon as
you feel resistance.
- Disconnect the I/O power cable from the support bracket:
- Remove three T20 Torx screws that hold the cable to the support bracket.
- Carefully pull out the cable far enough so that you can rotate the
connector bracket and push it back through the hole in the support bracket.
Caution - Avoid sharp bending of the cable.
- Carefully pull the I/O data cable assembly and the support bracket out of
The cable assembly might undergo failure analysis at the factory, so avoid further
damage to the cable assembly.
Follow these rules.
- Lay the cable assembly and support bracket on an antistatic mat.
- Disconnect the cable assembly from the support bracket.
- Undo four T20 Torx screws on each bracket.
- Carefully pull out each cable bracket and the attached cables far enough so
that you can turn the cable bracket and push it out of the
Caution - Avoid sharp bending of the cables.
- To install the replacement I/O data cable assembly, see Install an I/O Data Cable Assembly.