UN230152 UN23/152
UN230153 UN23/153
UN230154 UN23/154
UN230155 UN23/155
UN230156 UN23/156
UN230157 UN23/157
UN230158 UN23S/158
UN230159 UN23/159
UN230160 UN23/160
Analogue Control Interface Unit. Interface for standard
Z80 I/O bus to four !5V digital-to-analogue converters and
two 8-bit buffered output latches. Power requirements
!12V 5V OV. 4U unsupported board. DD 1982. DDHB
8.391(83).
I/O Bus Driver Unit. Extends the standard Z80 I/O bus by
means of differential drivers (RS422A standard). Power
requirements +5V, OV. 4U unsupported board. DD 1982.
DDHB 8.410(84).
I/O Bus Receiver Unit. Converts standard Z80 I/O bus from
differentially driven lines (RS422A stanard) to TTL. Power
requirements 5V, OV. 4U unsupported board. DD 1982.
DDHB 8.411 (84).
Keyswitch Interface Unit. Interface for six, 8-bit input
latches with debounce buffering to standard Z80 I/O bus.
Latch input levels are TTL. Any or all of the latches may
be set with wire links to acept a strobed input, as from
keypad. Power requirements +5V, OV. 4U unsupported board.
DD 1982. DDHB 8.392(83).
Rotary Encoder Interface Unit. Interfae for two 8-bit and
foru 10-bit up/down counters to standard Z80 I/O bus. All
counters are protected against overflow and underflow.
Clock and up/down inputs are differential, RS422A standard.
Power requirements +5V, OV. 4U unsupported board. DD
1982.
Prehear Logic Control Unit. Mounts the logic control
circuits for the Studio prehear. Power requirements !6
volts. 4U unsupported board. Parent equipment EP10/19.
DD 1982.
Caption Generator Control Unit. This unit produces the
addresses for ,the caption store card UN27/22. It receives
data from the Timer Card UN23/690 ad to which count down
numeral to display. Power requirements +5V, -12V. 4U
unsupported card. Parent equipment GE8M/508. DD 1982.
Camera Intertalk Selection Matrix. First developed for
Outside Broadcast communications in television. The unit
uses diode logic to enable up to 9 cameras to communicate
together in any combination. The matrix is controlled
externally by switched push buttons. Power requirements
:!:16V 10mA. 100mm x 220mm Eurocard. Mounted on 0.6" width
front panel for 3U high racking with 96 way Euro-connector.
Supersedes UN23/97. SCPD 1983.
Camera Talkback/Cue Logic Unit. First developed for
Outside Broadcast communications in television. The unit
provides the listening, calling and speaking logic for
three cameras, Producer and Engineer. Cue director on air
information is transferred to relay contacts by double
wound relays which can interrupt either on or off
conditions. Power requirements !16 V, 25 mA.
100 mm x 220 mm Euro Card. Mounted on 0.6" width front
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