483mm x 89mm dished panel with 16 Belling Lee sockets Type
L1413 and 31 coaxial plugs PO No. lC. Used on BAll/SOl
and C06/501. DD 1962. OBSOLESCENT.
483mm x 89mm flush panel with format similar to JF/3S. 30
single coaxial plugs PO No. 1 and 12 double coaxial plugs
BBC Type 303 (3 rows). Used on EPS/S02. DD 1963.
DD Spec 8.174. OBSOLESCENT.
483mm x 89mm flush panel with format similar to JF/3S. S4
coaxial plugs PO No. 1 in 3 rows. Used on EPS/S02.
DD 1963. DD Spec 8.175. OBSOLESCENT.
483mm x 89mm flush panel with 32 coaxial plugs PO No. lC
in 2 rows, and 16 monitoring sockets Belling Lee Type
L1413. DD 1964. DD Spec 4.1S. OBSOLESCENT.
483mm x 4Smm panel with 16 PO No. l6C plugs and 16 Belling
Lee sockets type L14l3. General use. DD 1967.
60 way Coaxial Jackfield used in EPS/S07. Recessed 48
483mm x 89mm panel with 60 PO No. 1 plugs in 3 rows.
DD 1967. OBSOLESCENT.
483mm x 44 panel with 16 coaxial plugs PO No. 1C for
mounting above or below JF3/S04. DD 1968. WITHDRAWN.
Send/Receive Coaxial Jackfield with U links for line
reversal. DD 1968. OBSOLESCENT.
Mounts 64 PO No. 1C jacks in 4 rows of 16 with U links
between rows 1 and 2, and between rows 3 and 4. DD 1970.
Coaxial Jackfield based on
Incorporates normal U links
combinations denoted by the
JF3/S07. Flush mounting.
and swinging U links in
suffix letters. DD 1970.
Coaxial Jackfie1ds similar to JF3/Sl4A-B but mounted on
BMM type anodised front panel. JF3/Sl4 Unequipped,
JF3/Sl4A fitted with type 352 Musa plugs (for PSF1/2),
JF3/5l4B fitted with type 3S3 Musa plugs (for PSF1/3).
Superseded by JF3/520. ED 1978. OBSOLESCENT.