Nevion 3GHD-CHO-2x4 - Manual (Page 9)

3GHD-CHO-2x4/2x3 Rev. C
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Configuration by DIP
The 3GHD-CHO-2x4 supports a number of different formats. The correct configuration can
either be set with a DIP switch or with the GYDA system controller. The layout of 3GHD-CHO-
2x4 is shown in the drawing below.
Figure 3. 3GHD-CHO-2x4 module layout
DIP switch configuration must be set according to the table below:
Switch # Label Function DIP=OFF Function DIP=ON Comment
1 CHO Distribution functionality Change-over
functionality Card functionality
2 IN1 Input 1 standby, 2 main Input 1 main, 2
standby Select main/standby
for CHO and DA
3 S/D Single 1x8 (1x6 with
GPI) from main Dual 1x4 (1x3 with
GPI) With CHO, dual mode
gives CHO +
distributed standby
signal
4 RUL Loss of signal Loss of lock Signal integrity
decision in change-
over mode.
N/A in distribution
mode.
5 LTC Non-latching switch. Will
automatically return to
main when input signal is
”good” Latching switch. Must
be reset to return
from standby to main “Sticky” switching
”good” is depending on
switch criteria in
change-over mode.
N/A in distribution
mode.
6 RCL Reclocker Bypass Reclocker ON Reclocker mode
7 EQ Cable equalizer Bypass
(Loss of signal will not
work on this mode)
Cable Equalizer ON Equalizer mode
8 OVR Module controlled by
Gyda system controller
Module controlled by
DIP switches Select GYDA config.
mode
Table 4: 3GHD-CHO DIP switches
All DIP switches are off when pointing towards the release handle.
DIP switches