3 format configuration – Nevion SDI-CHO-2x1-PB User Manual
Page 6

SDI-CHO-2x1/ SDI-CHO-2x1-PB
Rev. E
nevion.com | 6
3 Format Configuration
The SDI-CHO-2x1/-PB can support a number of different formats. The correct
configuration can either be set with a DIP switch or with the Multicon Gyda Control
System. The layout of SDI-CHO-2x1 is shown in the drawing below with the DIP switch
to the upper left position.
DIP switch configuration must be set according to the table below:
Switch # Label
Function DIP=OFF
Function DIP=ON
Comment
1
LTC
Non-latching switch. Will
automatically return to main
when input signal present
Latching switch. Must be reset
to return from standby to main
“Sticky” switching
2
IN1
Input 2 priority
Input 1 priority
Select main input
3
L/R
Loss of signal based switch
decision
Reclocker based switch
decision
Signal integrity
decision
4
TME
Ripple rejection OFF
Ripple rejection ON (variable
delay)
Timing
5
RCL
Reclocker Bypass
Reclocker ON
Reclocker mode
6
EQ
Cable equaliser Bypass
(Loss of signal based switch
decision will not work on this
mode)
Cable equaliser ON
Equaliser mode
7
ASI
SDI 177Mbps Reclocker
support
DVB-ASI Reclocker support
ASI mode
8
OVR
GYDA control
Config. with GYDA
Override GYDA control
Config. with DIP switch
Select GYDA
config. mode
All DIP switches are off when pointing towards the release handle.
When the default setting is selected, all clock rates for SDI and DVB-ASI are
automatically configured by the module itself.
Figure 2 - SDI-CHO-2x1 board layout