NV8256-Plus Digital Video Router • User’s Guide
57
6. Maintenance
Chapter 6 provides maintenance instructions. It discusses the following topics:
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General Maintenance
The NV8256-Plus does not require any periodic electrical or physical maintenance. Other than
cleaning the fan air intake filter, all that is required is periodic inspection of the system to make sure
no failures have occurred.
It is recommended that the system’s indicator LEDs be checked on a regular basis to ensure that the
system is operating properly. (See
on page 58.) It is also a good idea to regularly
make sure cooling air flow to the power supply fans is unobstructed.
Fuse Replacement
Fuses are located on each of the frame modules. If a problem occurs on a module, it is a good to
check the fuses. The following table lists the fuses on each module:
Caution
Only qualified service personnel should perform procedures in this section.
Location
Fuse Value
Power supply AC line fuse
8 Amp, 5
×
20 mm, slow-blow
Control card DC fuse
1 Amp, auto reset (not user serviceable)
Crosspoint card
1 Amp, auto reset (not user serviceable)
Warning
Dangerous voltages are present at the rear AC power connector and on the power
supply module. Take precautions to prevent electric shock: Do not touch exposed
wires or connecting pins.
Summary of Contents for NV8256-Plus
Page 10: ...x Rev 1 3 29 Mar 09 Table of Contents ...
Page 60: ...50 Rev 1 3 29 Mar 09 3 Installation Verification ...
Page 66: ...56 Rev 1 3 29 Mar 09 5 Configuration UniConfig ...
Page 72: ...62 Rev 1 3 29 Mar 09 6 Maintenance Obtaining Service ...
Page 82: ...72 Rev 1 3 29 Mar 09 9 Part Numbers Frame Expansion ...
Page 88: ...78 Rev 1 3 29 Mar 09 Index ...