Lenovo ThinkServer RD550 - Manual (Page 142)

Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in exposure to
hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following:
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Notes:
• Depending on the model, your server might look slightly different from the illustrations in this topic.
• Use any documentation that comes with the new optical drive and follow those instructions in addition to
the instructions in this topic.
To install or replace the optical drive, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Prepare your server. See “Removing or extending the server from the rack cabinet” on page 63.
3. Remove the server cover. See “Removing the server cover” on page 63.
4. Locate the optical drive or dummy optical drive. See “Server components” on page 25.
5. If you are replacing the optical drive, disconnect the signal cable and the power cable from the rear of
the optical drive. Press the release button inward and then slide the optical drive out from the front of
the server.
128 ThinkServer RD550 User Guide and Hardware Maintenance Manual