Service manual

AM-7000 Service Manual Page 17
Rev. A00
drives are mounted in the lower part of the chassis for two reasons: to make sure the weight in the chassis
is properly distributed and to provide easy access for both power and interface cables.
Plastic Mounting Rails
The plastic mounting rails are the key to installing peripheral devices in your computer. Two rails are
required to mount a peripheral device. The rails (DWF-20652-00) are universal; they can be mounted on
either the right or left hand side of the peripheral. Figure 14 explains how the rails are installed on
various types of peripherals:
LONG
END
SHORT
END
PERIPHERAL MOUNTING RAIL
DWF-20652-00
Use the top holes for
mounting full-height devices
Use the bottom holes for
mounting half-height devices
SHORT END
For Tandberg 1/4" streaming tape drives and all hard disk drives, mount
the rails with the short end pointing toward the rear of the computer
LONG END
For DAT tape drives, mount the rails with the long end pointing toward
the rear of the computer cabinet.
Figure 14: AM-990 Peripheral Mounting Rail
Besides the rails, the peripheral mounting kit includes both standard and metric screws for compatibility
with all of Alpha Micro's 5.25” peripherals.