Cisco Model D9479 Gigabit QAM Modulator Installation Guide
Installation and Operation Requirements
78-745431-01 Rev E
111
Environmental Requirements Table
Item
Specification
Operating Temperature
0° to 50°C (32° to 122°F)
CAUTION:
Avoid damage to this product! Your warranty is
void if you operate this product above the
maximum specified operating temperature.
Use caution when installing wiring and racks to
Use caution when installing wiring and racks to
avoid obstruction of air flow into the side air
vents of the GQAM, or out of the vent fans at the
GQAM side panel.
Important: You must use the supplied notched rack
mounts (part numbers 734845 and 734846) to mount the
GQAM in the rack. These rack mounts allow correct air
circulation through the unit.
Storage Temperature Range
–10° to 70°C (14° to 158°F)
Operating Humidity
5 to 95%, non-condensing
Vibration Susceptibility
No data errors with a chassis vibration of 0.5 Gs. No data
errors with a vibration frequency of 10 to 400 Hz
Electrostatic Shock Susceptibility No damage sustained from five discharges of 15 KV IEC
electrostatic discharge model (150pF + 150 Ω) to all
exposed connections