HP Jetdirect 175x Print Server series - Manual (Page 52)

Steps to install the print server hardware
1. Attach the print server to a 10Base-T (Ethernet) or 100Base-TX (Fast Ethernet) local area
network by plugging a network cable into the RJ-45 connector on the rear end of the print server.
2. Attach the print server to the printer by plugging the Universal Serial Bus (USB) cable—shipped
with the print server—into the USB connector on the front end of the print server and into the
USB connector on the printer.
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Caution! Unsupported USB Devices:
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HP 4135A Jetdirect Connectivity Card
■
any USB hub
■
any USB-to-parallel converter
■
any USB cable extender