NETGEAR EN104, EN108, EN116 Installation Procedures Prepare the Site, Installation Procedures Prepare the Site

Model EN104/EN108/EN116 Ethernet Hub Installation Guide
The rear panel also includes a DC power receptacle.
Before you begin installing your hub, prepare the installation site. Make sure your operating
environment meets the operating environment requirements of the equipment.
Characteristic Requirement
Temperature Ambient temperature between 0° and 40° C (32° and 104° F).
No nearby heat sources suc h as direct sunlight, warm air exhausts,
or heaters.
Operating humidity Maximum relative humidity of 90%, noncondensing.
Ventilation Minimum 2 inches (5.08 cm) on all sides for cooling.
Adequate airflow in room or wiring closet.
Operating conditions At least 6 feet (1.83 m) to nearest source of electroma gnetic noise
(such as photocopy machine or arc welder).
Service access Minimum 12 inches (19.68 cm) front and back for service access
and maintenance. Front and back clearance for cables and wiring
hardware such as punc hdown blocks.
Power Adequate power sourc e within 6 feet (1.83 m).
Wiring hardware Wiring hardware, suc h as punchdown blocks or pa tch panels,
should be complete before installing the hub.
AUI BNC
Active 12Vdc 1.2A
Rx
Active
Rx
– +
BNC
Active 12Vdc 1.2A
Rx
– +
8738FA
AUI port
Rear Panel of the Model EN104 hub
Rear Panel of the Model EN108 hub
Rear Panel of the Model EN116 hub
AUI port LEDs
BNC port
BNC port LEDs
Power receptacle
AUI BNC 12Vdc 1.2A
– +
Active
Rx
Active
Rx
Installation Procedures
Prepare the Site
The rear panel also includes a DC power receptacle.
Before you begin installing your hub, prepare the installation site. Make sure your operating
environment meets the operating environment requirements of the equipment.
Characteristic Requirement
Temperature Ambient temperature between 0° and 40° C (32° and 104° F).
No nearby heat sources suc h as direct sunlight, warm air exhausts,
or heaters.
Operating humidity Maximum relative humidity of 90%, noncondensing.
Ventilation Minimum 2 inches (5.08 cm) on all sides for cooling.
Adequate airflow in room or wiring closet.
Operating conditions At least 6 feet (1.83 m) to nearest source of electroma gnetic noise
(such as photocopy machine or arc welder).
Service access Minimum 12 inches (19.68 cm) front and back for service access
and maintenance. Front and back clearance for cables and wiring
hardware such as punc hdown blocks.
Power Adequate power sourc e within 6 feet (1.83 m).
Wiring hardware Wiring hardware, suc h as punchdown blocks or pa tch panels,
should be complete before installing the hub.
AUI BNC
Active 12Vdc 1.2A
Rx
Active
Rx
– +
BNC
Active 12Vdc 1.2A
Rx
– +
8738FA
AUI port
Rear Panel of the Model EN104 hub
Rear Panel of the Model EN108 hub
Rear Panel of the Model EN116 hub
AUI port LEDs
BNC port
BNC port LEDs
Power receptacle
AUI BNC 12Vdc 1.2A
– +
Active
Rx
Active
Rx
Installation Procedures
Prepare the Site