Grass Valley Trinix v.2.4.1 - Manual (Page 61)

Protected Paths
Planning and Installation Manual 61
Figure 32 shows an example of a DV-33512 router with a pair of pro-
tected paths.(Depending on system requirements, the upstream splitter
may or may not be needed.) The signal detector monitors the primary
path and if necessary will disable the primary path output driver and
enable the secondary path output driver. Notice that the two paths use
independent sets of hardware.
Figure 32. Example of protected paths for DV-33512 router
The following discussion describes the protected path planning pro-
cess.
Inputs 1-128 O
utputs 1-128 Outputs 129-256 Inputs 385-512
Inputs 129-256 O
utputs
385-512 O
utputs
257-384 Inputs 257-384
Input/Output
boards
Input/Output
boards
DM-33501/2
Matrix boards
Powered by
PS A and PS B
Powered by
PS C and PS D
Splitter Splitter Combiner Combiner
Input 1 Output 1
Primary path
Secondary path
Output 257 Input 257
Output Status Output Status
Signal OK, driver ON Signal OK, driver ON
Output assigned to Output assigned to
protected path, driver OFF
protected path, driver OFF