Introduction, 9374-series cards functional description, Audio/rs-485 ltc function (option +ltc) – Cobalt Digital COMPASS 9374-EMDE Quad-Stream SDI – AES – MADI Embedder_De-embedder User Manual
Page 13: See figure 1-3. ) option

937X-OM (V1.3)
9374-SERIES PRODUCT MANUAL
1-9
Introduction
9374-Series Cards Functional Description
Figure 1-2 Timecode Processor (One Channel Shown)
Audio/RS-485 LTC Function (Option +LTC)
Note:
+LTC function is an optional licensable feature. This function and its controls
appear only when a license key is entered and activated. (This option (identi-
fied in Cobalt
®
price lists as +LTC) can be purchased upon initial order, or
field-activated using a key string which is sent to you when this option is pur-
chased.)
(See Figure 1-3.) Option
+LTC
allows bidirectional transfer and conversion
between SMPTE 12M VANC formats over SDI and audio LTC, as well as
RS-485 LTC. Audio LTC can be received or sent over digital audio using
selected embedded or AES channel, as well as via two RS-485 ports on the
card.
RS-485/Audio LTC can be derived from each card SDI channel VANC
timecode.
Frame
Reference
SDI VITC
Waveform
Detect/Extract
SDI ATC_LTC
Detect/Extract
SDI ATC_VITC
Detect/Extract
Priority/
Select
Program
Video
Input
SDI VITC
Timecode
Proc/Embed
ATC_VITC
Timecode
Proc/Embed
ATC_LTC
Timecode
Proc/Embed
Insert
Control
Line
Number
Control
Buffer/
Format
Output Video
Free Run
(Internal Count)
Ref VITC
Waveform
Detect/Extract
Audio LTC
Select/Extract
Audio/
RS-485 LTC
Audio/RS-485
LTC Generate
Audio LTC Out
RS-485 LTC Out