CHI
74 -
aluminium strip and extruded heat sink, 327mm x l52mm x
4lmm. DD 1972. OBSOLESCENT.
CHl/68
RF Chassis, of tinplate,
aluminium covers, forming
Used in EP14M/507. DD 1972.
folded and soldered, with
a light weight screening box.
OBSOLESCENT .
CHl/69
Tester Chassis, designed to serve as a chassis extender
and to carry electronics for modifying signals incoming to
the extended unit. Can be used with CHl/12 and CHl/43
ranges of chassis in PN3/23. DD 1972. OBSOLESCENT.
=====================-====================================================
Chassis Extenders, now coded CH4
CHlA/l
Chassis Extender (left hand) used with CHl/12 on PN3/2l
etc. for servicing. Can be modified for use with CHl/43.
DD 1961. DD Spec 8.58. OBSOLESCENT.
CH1A! 2
Chassis Extender (right hand) used with CHl/12 on PN3/2l
etc. for servicing. DD 1961. DD Spec 8.58. OBSOLESCENT.
CHlA/3C
Chassis Extender, Sound Units. Modified CHlA/3A with
individually screened wires instead of a printed board for
use in high R.F. fields. DD 1967. WITHDRAWN.
CH lA/ 4
Chassis Extender.
housed in CHl/19
purposes. DD 1963.
Plugs into PN3/25 for mounting a unit
clear of the panel for maintenance
DD Spec 3.350. OBSOLESCENT.
CH lA/ 5
Chassis Extender used with CHl/27, CH1/28. G1. DD 1964.
OBSOLESCENT.
CHlA/6
Chassis Extender for Line Store Converters. Used with
PAl/5l0, PAl/SOlA, PA1/501B, PA1/51l, PA1/51lA. DD 1964.
DD Spec 7.161. OBSOLESCENT.
CHlA/7
Cable Duct for CH1/12. Provides a duct for cables and
leads between components on front bracket and rear
connector, and protects high components on printed board.
219mm x 32mm x 10mm. DD 1967. WITHDRAWN.
CH1A/8
Chassis Extender
plug and socket
OBSOLESCENT.
used with CH1/43A equipment. Has ISEP
at the ends. DD 1967. DD Spec 8.262.
CH1A/9
Chassis Extender for use with sub-units of IN6/502. 127mm
x 127mm printed board with 24 parallel conductors
connecting a 24 way continental connector at the front to
gold-plated
edge
contacts
at
the
rear.
DD 1968.
WITHDRAWN .
CHlA/ll
Chass is
DD 1968.
Extender similar to CHlA/8 for use with CHI/52.
DD Spec 8.329. OBSOLESCENT.
CH1A/12
Chassis Extender for 42 way Cinch
GE6L/507. DD 1969. DD Spec 8.327.
edge connectors
OBSOLESCENT.
in

74