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

Page 6

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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

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