BA8/----
BA 9/---
BA10/--
BA11/--
BA12/--
BA13/---
BA14/ ---
BA15/---
BA16/---
BA1? /---
BX1/--
BX2/--
BX3/---
BX4/---
BX5/----
BX6/---
CA 1/---
CA 2/---
CA 3/----
CA 4/--
CD1/---
CD2/----
CD3/----
CD4/----
CH1/----
CH1A/---
CH2/--
CH3/--
CH4/----
CM1/---
CM2/--
CM3/--
v
BA EQUIPPED BAYS (Continued)
Receiver (never used)
Uniselector Switching (use SE)
Scanner (use RP)
Studio (code by function)
Test (never used)
Transmitter (use TM)
Switching (use SE)
Continuity (code by function)
Mixer (use MX)
Distribution (use SE6)
BX BOXES
Miscellaneous (code by function)
Junction (code by function)
Distribution (code by function)
Light (use TE)
Relay (use SE)
Switch (use 'SE)
CA EQUIPPED CABINETS
Miscellaneous (code by function)
Amplifier (use AM)
Control (never used)
Supply (use SE6)
CD CODERS
Miscellaneous (use CD)
Coder
Decoder
Transcoder
CH UNEQUIPPED CHASSIS
Chassis
Chassis Extenders (now coded CH4)
Equalisers (use EQ)
Bay Mounting (use CHl)
Extenders
CM CAMERAS
Miscellaneous (never used)
Film (never used)
Television (discontinued)

5