provide over 90 dB of cross talk separation. Expansion of
both inputs and outputs is possible by addition of further
cards. Cross points can be driven either directly from
push button or via a Bailed Logic Unit. UN23/691. Power
requirements !15 V 50 mA. 100 x 220 mm Euro card with 3U
high Front Panel 0.6 wide using 96 way Euro connector.
Switch and Monitor. The unit monitors
when instructed, it switches the route
limited period. Power requirements
1U x 19". TCPD 1984.
an audio signal and
of the signal for a
240 Vac, 5 VA.
Audio Switch. Contains four 4 input, 1 output switchers
and four 2 input, 1 output switchers. Audio inputs must be
limited to !7.5 V p-p (+16 dBm). Some inputs are balanced,
some are common to ~ach type. Logic inputs are ! 7.5 V,
12 V and are partially priority encoded. Power
requirements !15 V, 25 V unregulated. 222 x 100 mm. SCPD
Programme Change over Unit. As SE2/36C but without
deriving hybrid transformer. Power requirements 24
BBC Chassis: CHl/64A. Chassis extender: CH1A/43.
Programme Changeover Unit. As SE2/36C but without either
Chassis: CH1/64A. Chassis extender: CH1A/43. TCPD 1986.
Programme Changeover Unit. Provides switching of audio
programme feeds (Main, Reserve and opt-out) in the
Transmitter Input Equipment bay used on high and medium
power stereo VHF/FM transmitting stations. Also contains a
hybrid transformer to split the reserve programme to the
'A' and 'B' halves of the bay and another similar hybrid to
derive mono output from the Main/Reserve selected
programme. Power requirements 24 Vdc. BBC Chassis:
CH1/64A. Chassis extender CH1A/43. TCPD 1986.
Programme Changeover Unit. As SE2/36C but without reserve
splitting hybrid transformer. Power requirements 24 Vdc.
BBC Chassis: CH1/64A. Chassis extender CH1A/ 43. TCPD
Longitudinal Timecode Switch. This 8x8 matrix switcher
connects timecode output from anyone VTR machine to any
number of the other machines which are controlled by the
VANTAGE Edit Control System, PA1M/589. Power requirements
!12V at 200mA. 6U Eurocard. Parent equipment PA1M/589.
D&ED (C) 1987.
Programme Changeover Unit. This switch is used for
outs on Local Radio TIE bays. It accepts two inputs
each mono and stereo), and provides one stereo output.
input is selected by a relay, which is usually driven
an external tone detector. CH1/65A. TCPD 1987.
Programme Changeover Unit. This switch selects one of two
programme feeds, and gives front panel status information.
CH1/64A. Chassis extender CH1A/43. TCPD 1987.