Extron Electronics Matrix 50 Series - Manual (Page 64)

Reference Information, cont’d
Matrix 50 Series Switchers • Reference Information B-6
If, on power-up, the switcher’s Power LED blinks four times, pauses, and
blinks four times again, there is a conflict in the jumper settings. Remove the
power cable, recheck the jumper settings, and power the switcher up again.
7 . Reinstall the switcher’s top cover. See Closing the switcher on page B-3.
8. Push plastic plugs into all open BNC connector holes on the rear panel of the
switcher.
9. If the switcher was removed from a rack, reinstall the switcher in the rack.
10 . Reconnect the AC power, input, and output cables.
Installing an audio module
1 . Remove the bus ribbon cable and all video modules in accordance with
Removing a video module on page B-5.
2 . If your Matrix 50 does not already have audio, there is a cover over the slot.
Remove the screw on the left side of the cover (figure B-4), pull the audio
cover away from the left, and then shift it to the left to free the tab from the
slot on the right. Put the audio cover aside.
slide left
Figure B-4 — Removing the audio cover
3 . Insert the audio module into the Matrix 50 chassis and position the board
such that the input/output connector strip on the module protrudes through
the audio slot in the rear panel of the switcher (figure B-5).
Audio Board
4 corner posts
1 center post
5 screws
Video modules must be removed to access audio module
Figure B-5 — Installing the audio board
4 . Secure the audio module to the five standoffs on the floor of the switcher
(figure B-6).
5 . Reinstall all video modules and the bus ribbon cable in accordance with
Installing a video module on page B-4.
6 . If the size of the matrix was changed (8 x 4 configuration to 12 x 8
configuration, for example) or if video or audio capabilities were added or
removed, see Setting the front panel jumper, on page B-10.