PA19/4
PA19M/5
PA19/6
PA19/7
PA19/8
PA19M/9
PA19/l0
- 295 -
PA19
AC/DC Ringing Conversion Panel used at
conjunction with PA19/3 at Glasgow.
DD 1960. DD Spec 2.164. OBSOLESCENT.
Kirk O'Shotts in
483mm x 89mm.
Used at Carlisle in conjunction with the
Manchester-Carlisle switching system. Includes modified
UNlO/7 plus key, light and 2 jacks on 483mm x 89mm panel.
1966/69. WITHDRAWN.
Telephone Panel for wall or
unit in Mobile Control Rooms.
desk mounting of a telephone
1966/69. WITHDRAWN.
Telephone Switching Panel providing detection and routing
facilities for 15 external subscribers to anyone of up to
8 internal subscribers. Incorporates telephone line unit
and
call
alarm.
Replaces
existing
production
studio
switchboard and associated CHl/29 relay panels. CHl/22.
1966/69. WITHDRAWN.
Telephone Switching Panel similar to PA19/7 but for 10
external subscribers. CHl/23. 1966/69. WITHDRAWN.
Telephone Panel used on the remote switching system
between Birmingham and Peterborough and between Norwich
and Peterborough. PN3/23 with UNl/63, 2 FL4/40, 2 AM7/2A,
UN6/2. 1966/69. WITHDRAWN.
Telephone Balance Panel, first used in studios B15 and
B16, Broadcasting House, London, to enable live public
telephone calls to be included in programmes. Lang1ey
module type L4. TS(R). 1971. OBSOLESCENT.
==========================================================================
PA19 Sub Group not available for new designs DD 1977.
PA20/l
PA20/2-4
PA20/5
PA20/6
PA20/7
PA20 CONNECTION PANEL
Lines Termination Panel
OBSOLESCENT.
used at Wrexham.
1959.
Used on BX3/50l. 1959. OBSOLESCENT.
Used on BX3/50l. 1959. OBSOLESCENT.
Hytip Connector Termination Panel for cable termination
and jumpering. Used in place of standard PO Blocks where
space is limited. Employs 2 rows of 25 BICC Burndy Hytip
connectors connected back to back by pringed boards,
providing 1000 tags for crimp connectors on 483mm x 254mm
x
102mm
panel.
First
used
News
Desks
at Television
Centre. 1968. OBSOLESCENT.
U Link Termination Panel for 15 circuits, with designation
strips and lacing
cars.
Pan
type
panel 483mm x 89mm x

95