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Integration Seamless Switcher • Maintenance and Modifications7-2
Maintenance and Modifications
Opening and Closing the Switcher
To replace the firmware or install the optional DVI output card, you will 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.
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
(figure 7-1).
1
2
3
4
5
6
7
8
1
0
0
-
2
4
0
5
0
/
6
0
H
z
1
.
2
A
M
A
X
.
R
1
G
B
H/HV
R
2
G
B
H/HV
R
3
G
B
H/HV
R
INPUTS
4
G
B
H/HV
R
5
G
B
H/HV
R
6
G
B
H/HV
R
7
G
B
H/HV
R
8
G
B
H/HV
B
H/HV
V
H/HV
V
Remove (16)
screws
Remove top two
front panel screws
Lift Cover Straight Up
Extron
ISS 408
Switcher
U1
U2
J8
J13
Connect to
J8 and J13
U100
U101
U6
U102
U103
U98
U99
Figure 7-1 — Removing the ISS cover