Miranda NV8256-Plus, Руководство пользователя

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NV8256-Plus Digital Video Router • User’s Guide 53
4. Operation
Setting Redundant Crosspoint Card Switching
How to Set Redundant Crosspoint Card Operations
1 Facing the front of the router with the door open, locate the redundant crosspoint card, as shown
in Figure 4-1.
Figure 4-1. Location of Redundant Crosspoint Card (Front View)
2 The front panel buttons should be lit. Press a button to activate that function:
•
Replace XPT (1–256)
— take over active control of inputs 1–256 from the local crosspoint
card installed in the left crosspoint card slot.
•
Standby Mode
— sets redundant card to act as a backup to the local crosspoint card should
the card fail.
•
Replace XPT (257–512)
— take over active control of inputs 257–512 from the crosspoint
card installed in the right crosspoint card slot.
Control Card—Secondary
OUTPUTS 129-144 OUTPUTS 145-160 OUTPUTS 161-176 OUTPUTS 177-192 OUTPUTS 193-208 OUTPUTS 209-224 OUTPUTS 225-240 OUTPUTS 241-256
INPUTS 129–144 INPUTS 145–160 INPUTS 161–176 INPUTS 177–192 INPUTS 193–208 INPUTS 209–224 INPUTS 225–240 INPUTS 241–256
OUTPUTS 1–16 OUTPUTS 17–32 OUTPUTS 33–48 OUTPUTS 49–64 OUTPUTS 65–80 OUTPUTS 81–96 OUTPUTS 97–1
12
OUTPUTS 1
13–128
INPUTS 1–16 INPUTS 17–32 INPUTS 33–48 INPUTS 49–64 INPUTS 65–80 INPUTS 81–96 INPUTS 97–1
12
INPUTS 1
13–128
MONIT
OR
FAN
CROSSPOINT
INPUTS 1-256
CROSSPOINT
(REDUNDANT)
CROSSPOINT
INPUTS 257-512
Control Card—Primary
Redundant
Crosspoint
(Middle
Card Slot)