Belden Grass Valley KMX-3921, Инструкция по установке и обслуживанию

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KMX-3921
Installation & Service Manual
Maintenance
Required Tools
Use a field-supplied Phillips #2 screwdriver to remove and install rear panels.
Field Replaceable Units
The following components are field replaceable units. The repair procedure is to swap in a
new (known good) component to restore system operation.
There are no user-serviceable parts within these components except for the KMX-3921
multiviewer card in which the heatsink cooling fans can be replaced. See
Cooling Fan
Replacement , on page 129.
Contact Technical Support to order an FRU. See Grass Valley Technical Support , on
page 156.
Opening and Closing the Front Door
The Densité 3+ FR4 Frame’s Front Door
The front door of the Densité 3+ FR4 frame is hinged on the right-hand side, and latched by
a captive thumbscrew on the left-hand side. There are no electrical connections to the door.
• Turn the thumbscrew counterclockwise until it releases, and pull the door open.
• The door can be removed completely after it is open by sliding it vertically off the hinge
pins on the right-hand side.
Close the front door as follows:
• Slide the door down onto the hinge pins on the right-hand side.
• Swing the door shut and turn the thumbscrew clockwise until the door is secured shut.
The Densité 3+ FR1 Frame’s Front Door
The front door of the Densité 3+ FR1 frame is fastened in place by two captive
thumbscrews, on the left and right hand side of the door. There are no electrical
connections to the door.
• To open the door, turn both thumbscrews counterclockwise until they release, and pull
the door away from the front of the frame.
• The door is attached to the frame by guides that slide out of the frame as the door is
pulled, and allow the door to be lowered below the frame so that cards and power
supplies can be removed and installed.
Description Grass Valley Part Number
KMX-3921 Multiviewer Cards See KMX-3921 Multiviewer Cards , on page 15
KMX-3921 Rear Panel
See KMX-3921 Rear Panels , on page 16
Optional SFP Module(s) See Compatible SFP Modules , on page 20