GRASS VALLEY APEX -, Installation And Service Manual

Page: 92 / 132

92 APEX — Installation and Service Manual
Section 3 — Installation
Output Card Switches
• S1 through S4
• S7 through S10
• S13 through S16
• S19 through S22
• S25 through S28
These switches are enabled by S34-8 as described above. Switch settings are
the same as those shown for S28 5-6 in the CX-34000 drawing in
Figure 38
on page 94 .
Input Card Switches
• S5 and S6
• S11 and S12
• S17 and S18
• S23 and S24
• S29 and S30
These switches, when S34-8 is OFF, can be used to select the MADI refer-
ence on a board-by-board basis. The settings are the same as those shown
for S30 7-8 in
Figure 38 on page 94 .
S31 (LIN NUM / VREF)
These switches are not used.
S32 (SR AREF/VREF)
These switches are not used.
AES / Video Reference Selections
Each output board provides a block of 32 outputs and by factory default all
blocks are assigned to reference 00, which corresponds to the VID REF A
connector on the rear panel.
Each input board provides a block of 32 inputs and by factory default all
blocks are assigned to reference 00, which corresponds to the VID REF A
connector on the rear panel.
If redundant Matrix boards are installed, the same reference must be pre-
sented to both REF A and REF B connectors, the system will automatically
operate the Matrix boards as a redundant pair. See
Single Video Reference –
Redundant Operation on page 88 and Dual References - Redundant Operation on
page 89 for examples.