User manual

ASI-310 User Manual (Iss. 03) Installation • 2–7
ASI In — BNC 4 or BNC 5
BNC 4 (BNC 5 on the MDL-R10) accepts an ASI Transport Stream input for conversion to
SMPTE 310M. The input signal is internally terminated in 75ohms when the ASI-310 is installed
and unterminated otherwise.
310 Out — BNC 3
BNC 3 carries the SMPTE 310M output produced by conversion of the ASI input. When the
ASI-310 is removed from its slot, the rear module bypasses BNC 1 to BNC 3 directly.
310 Monitor — BNC 2
BNC 2 carries an inverted copy of the 310 output. When the ASI-310 card is removed from its
slot, there is no output from this BNC.
ANLG OSD Out — BNC 4 (MDL-R10 only)
When the ASI-310 front card-edge slide switch is in the Front position and the card is installed in
the DFR-8310 series frame with a MDL-R10, BNC 4 carries an analog video signal for use in
local setup of the card. When the switch is in the Rear position, this output is not valid.
ASI/OSD Out — BNC 5 or BNC 6
When the ASI-310’s front card-edge slide switch is in the Rear position, BNC 5 (BNC 6 on the
MDL-R10) is the output of the 310-to-ASI converter. This is the normal operating position. When
the switch is in the Front position, this jack carries a 259M serial digital (SDI) video signal for
use in local setup of the ASI-310 card. The switch is deliberately difficult to move inadvertently,
to ensure that an important ASI output is not interrupted by accidentally touching the switch.
GPI/O Outputs
The GPI/O outputs are provided on a nine-pin connector with eight logic outputs (3.3V) and one
ground connection. (Table 2.1) These GPI/O outputs carry the ASI-310’s GPI/O outputs that can
be used to control external equipment. Note that the GPI/O outputs are logic signals: the high
level is 3.3V and the low level is 0V. Each output is suitable for driving a logic circuit or LED
through a short cable. If you need to drive high-current or high-voltage loads, or loads that are
referenced to a different ground that the ASI-310 card, use an external relay circuit between the
GPI/O pin(s) and the load.
Table 2.1 GPI/O Output Pins
Pin Function
1
GPI/O1
2
GPI/O2
3
GPI/O3
4
GPI/O4
5
GPI/O5
6
GPI/O6
7
GPI/O7
8
GPI/O8
9
Ground