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ISS 408 Integrated Seamless Switcher • Maintenance and Modifications 68
Maintenance and
Modifications
This section describes:
• Opening and Closing the Switcher
• Installing a Firmware Upgrade
• Installing a DVI Output Card
Opening and Closing the Switcher
To replace the firmware or install the optional DVI output card, you need to open the ISS’s
case. Extron recommends that you send the unit in to Extron for service and updates.
Open and close the switcher as follows:
1. Disconnect the AC power cord from the ISS to remove power from the unit.
CAUTION: Electric shock hazard. To prevent electric shock, always unplug the
ISS from the AC power source before opening the enclosure.
2. If the ISS is installed in a rack, disconnect all signal and control cables and remove the
ISS from the rack.
3. Remove the 16 screws, 8 on the top and 4 on each side of the ISS cover (see
figure 53).
1
2
3 4
5
6
7
8
10
0
-
240
50/60 Hz
1.2A MAX.
R
1
G
B
H/H
V
R
2
G
B
H
/HV
R
3
G
B
H/H
V
R
IN
P
UTS
4
G
B
H
/H
V
R
5
G
B
H/H
V
R
6
G
B
H
/H
V
R
7
G
B
H
/H
V
R
8
G
B
H
/H
V
B
H
/H
V
V
H
/H
V
V
Remove (16)
screws.
Remove top two
front panel screws.
Lift cover straight up.
Disconnect from/
connect to
J8 and J13.
J8
J13
3
4
6
5
Figure 53. Removing the ISS Cover