Table 6. Rear connector icons and descriptions (USB) (continued)
Icon Description
Ethernet LAN cable port
Microphone port
Audio input port
Port for audio output, such as self-amplified speakers or
headphones
Power cord inlet connector
B
12V
USB, 12V powered port
A
24V
USB, 24V powered port
Cash drawer port
Indicates that USB wake devices are supported when attached to
this port
Security screw location
This symbol indicates the location where a security screw can be
optionally installed by a customer to protect access to the inside
of the system unit. (IBM does not provide this screw.) The screw
is an M3 and can protrude into the unit for 6 to 9 mm. The screw
head needs to be a pan head or the equivalent. The screw head
outside diameter is to be 8 mm maximum, and the screw head
height can be up to 3.5 mm.
Product introduction
March 2009
Chapter 1. Introduction 7
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