HP Jetdirect 175x Print Server series - Manual (Page 31)

NETWORK PRINTING
Hardware
connections
Print servers can be internal or
external devices. Which one you
choose depends on your printer.
Internal print servers --
These are special-purpose cards
or modules that plug into the
built-in input/output slot in the
back of some printers. The slot
provides the data and power
connections for the print server,
and the network cable plugs into
the network connector on the
face of the print server.
Internal print servers come in a
variety of configurations to
match the style of your printer
slot and the type of network
connection you need.
External print servers --
External print servers are for
printers that don't have a built-in
slot. The print server is a small
module that sits next to the
printer (or mounts on the printer
using a clip) and connects to the
printer's USB or parallel port
using a standard printer cable. A
network cable plugs into the
network connector on the print
server, and a power cord
connects to a wall outlet to
provide the print server's power.
(We haven't shown the power
cord in the illustration, just to
keep the drawing simpler.)
External print servers come in
several different configurations
to match the printer's data port
(USB or parallel) and the type of
network connection you need.
Wireless print servers --
Wireless print servers come in