H4000 DIGITAL Ethernet Transceiver Installation Manual

This document is the Installation Manual for the H4000 DIGITAL Ethernet Transceiver, published by Digital Equipment Corporation in June 1984.

Its primary purpose is to provide step-by-step instructions for physically installing the H4000 Ethernet Transceiver onto a DIGITAL Ethernet coaxial cable.

The manual details:

• The required items for installation, including the H4000 transceiver and an Ethernet Transceiver Installation Kit (H4090-KA or H4090-KB) which includes a drill, hex wrench, and a drilling fixture.
• Pre-installation steps like checking and preparing the drill, unpacking, and inspecting the transceiver.
• Crucial instructions for placing the transceiver only on the designated black bands located every 2.5 meters (8 feet) on the coaxial cable.
• The core installation procedure, which involves using the drilling fixture to prepare and drill precise holes into the coaxial cable, securing the cable into the transceiver, and then connecting the transceiver's cable to the device.
• Important safety cautions regarding installation in environmental air handling spaces.
• Customer support contact information for assistance.