Grass Valley 8937 v.1.0.0 User Manual
Page 15

8937/8937D Instruction Manual
15
Power Up
provides the various output conditions possible for a given input
and module setting.
SIG PRES
(green)
Off
Off
Off
No signal input detected or input signal does not match bit rate set with manual
mode.
On
On
On
In Auto or Bypass mode input signal is present or input signal matches bit rate set
with manual mode.
BYPASS
(yellow)
Off
Off
Off
Reclocking is enabled and auto-rate detection mode is active.
On
On
On
Bypass mode is on, input signal will not be reclocked
143 Mb
(yellow)
Off
Off
Off
No 143 Mb speed signal present.
On
On
On
Input signal is locked at 143 Mb
177 Mb
(yellow)
Off
Off
Off
No 177 Mb speed signal present.
On
On
On
Input signal is locked at 177 Mb
270 Mb
(yellow)
Off
Off
Off
No 270 Mb speed signal present.
On
On
On
Input signal is locked at 270 Mb
360 Mb
(yellow)
Off
Off
Off
No 360 Mb speed signal present.
On
On
On
Input signal is locked at 360 Mb
REM OVR
(yellow)
Off
Off
Off
Module setting match those set on module switches and jumpers.
On
On
On
Remote control is overriding on-board jumper setting
Table 3. Possible Output Conditions
Input
Setting
Output Condition
Standard definition SDI video
Auto or Bypass
Standard definition SDI video
Other carrier
Bypass
Other carrier
Other carrier
Auto
Signal with errors
No signal or over EQ range
All modes
Muted
Table 2. Board Edge LED Names and Meaning
LED
8937
8937D
Condition
DA 1
DA 2