PA9/s0s
PA9/s06
PA9/s07
PA9/s08
PA9/s08A
PA9/s09
PA9/5l0
PA9/511
PAlO/2
- 273 -
PA9
Te1ecine Distribution Panel used in EP6/50l. 483mm x
l33mm panel with 5 musa plugs for access to video chain
points, and a multiway connector for connection to a
maintenance
trolley.
DD 1965.
DD Spec 7.95.
OBSOLESCENT.
OB Video Distribution Panel similar to PA9/504 but with
the bottom 7 relay panel replaced by a connector panel
with a control circuit plug for each of the 12
destinations, to avoid the use of external jumper blocks.
1966. OBSOLESCENT.
Pulse Distribution Panel used in Television Centre
Presentation 'B' combined caption area to route pulses
from 5 areas to 3 machines as required. PN3/23 with 4
AMl/566 (1 spare). 1967. WITHDRAWN.
Control Distribution Panel used in
panel with multiple pin plugs
WITHDRAWN .
EP5/507. 483mm x 89mm
and sockets. 1967.
Modified PA9/508 for use in EP5/507. 1967. WITHDRAWN.
Colour Bar and Timing Distribution Panel used in GE4/538.
Supplies 6 outputs of RGB colour bar waveforms with
suitable timing adjustment to the input trigger waveform
to suit external equipment under test. PN3/23 with
GE4/523,
NE4/506B,
3
AM4/518,
fan
unit.
1967.
DD Spec 11.67. WITHDRAWN.
on BA13/5l3 for video monitoring
2-input mixing pad, variable
sockets on a 483mm x 89mm panel.
Distribution Panel used
signals. Includes a
attenuator, 16 coaxial
1967. TI. WITHDRAWN .
Distribution Panel used on BAll/50lB for signalling and
control distribution. 483mm x l78mm panel. 1970.
WITHDRAWN .
PAlO FUSE PANELS
Alarm Fuse Panel used for distribution and fusing of -50V
d.c.
supplies,
with
alarm
and
indication
circuits.
Provides 0 outlets via lA cartridge fuses to BS1362. Used
in place of PAlO/l where the incoming supply is through an
HRC fuse with less than 25A rating. Printed circuit board
430mm x l30mm with mounting brackets for fixing recessed
on 483mm bay. SCPD 1971. OBSOLESCENT.
==========================================================================
PAlO Sub Group not available for new designs DD 1977.

73