TC Electronic DB8 MKII - Manual (Page 11)

11
HW & installation
11
Dsp & CarD COnneCTIOn
Introduction
The optional AES-3 Coax card with 8 BNC connections
is especially designed for broadcast installations as they
often prefer the 75 Ohm unbalanced BNC connections that
support considerably longer cables.
Grounding
A jumper on the card determines grounding to chassis
status. Per default the card is grounded to chassis.
If you need to change the grounding status, follow this
procedure:
• Disconnect mains power cord.
• Loosen the two screws holding the DSP card and
remove the card gently.
• Move the jumper to pins:
2-3 : Floating (not grounded)
1-2 : Grounded (default)
• Insert the card gently in the DSP slot and remount
the screws.
Hardwire Bypass at power off
At power off the frame is hardwire-bypassed via relays
ensuring NO signal loss.
SYNC IN, WORD CLOCK
Refer to infomation on next page.
General Handling
When inserting or removing any modules, avoid touching
the circuit board by handling only the rear panel of the
module. To minimize the static potentials that can cause
damage to the electronic circuits, you should observe
precautionary grounding techniques such as touching a
grounded Mainframe immediately before inserting modules.
AES OCTAL - Expansion
Eight channel I/O expansion card on with BNC
connectors.
Caution!
The servicing instructions are for
use by qualified personnel only. To
reduce the risk of electric shock do
not perform any servicing other than
that in the operation instructions
unless you are qualified to do so.
AES3 COAX - DSP