Nevion UDC-3G-XMUX4+ - Manual (Page 13)

UDC-3G-XMUX4+ Rev. C
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2.2.4 Data link output lines
The UDC-3G-XMUX4 has one pair of data output lines. Together they form an RS422 output.
The data is de-embedded from one of the embedded audio channels. These data must of
course have been embedded by another module upstream. See Table 4 below for the pin-
out.
GPI name Function Pin # Mode Direction
Status General error status for the
module. Will also activate at
firmware upgrades, when
the module is not. Pin 1 Inverted Open
Collector
(open is alarm)
Output
GPI 1 GPI default scaling select.
Least significant bit. Pin 2 TTL, 0V =
active level
Input
GPI 2 GPI default scaling select Pin 3 TTL, 0V =
active level
Input
DATA link
output RS422+ Pin 4 RS422 Output
DATA link
output RS422- Pin 5 RS422 Output
GPI 4 GPI default scaling select.
Most significant bit. Pin 6 TTL, 0V =
active level
Input
GPI 3 GPI default scaling select. Pin 7 TTL, 0V =
active level
Input
Ground 0 volt pin Pin 8 0V.
Table 4: The TP45 (8pin modular jack) in detail
2.3 What the LEDs mean
Table 5: LED states and what they mean
Red LED Orange LED Green LED No light
Card status PTC fuse has
been triggered
or FPGA
programming
has failed Module has not
been
programmed, or
RESET and
OVR DIPS are
both on, or
module is
loading
firmware. Module is OK Module has no
power
SDI input
status Video signal
absent. Video signal
present but card
unable to lock
VCXO Video signal
present and
locked Module has not
been
programmed
Sync input
status Sync signal
absent Sync signal
present but card
unable to lock
VCXO B&B or Tri-level
sync in lock Module has not
been
programmed
Audio input
status No audio
embedded in
incoming video One, two or
three audio
groups
embedded in
incoming video 4 audio groups
embedded in
incoming video Module has not
been
programmed