Teletype Corp Apparatus Codes
(work in progress)

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR Set RT Set Notes
AC             M14/M15 Console Cabinet

AC

           

28 Table Type Cabinet

 

AC273   X      

28 TD Table Type Cabinet

ARPE

           

High Speed Tape Punch Unit

BB             M15/M20 base
BK             M15/M20 keyboard
BP             M15/M20 page printer typing unit

BRPE

           

High Speed Tape Punch Unit

-- BRPE1 to BRPE5           "Early Design" BRPE
-- BRPE6 and up           "Late Design" BRPE

BRPEB

           

High Speed Tape Punch Base

BRPEC

           

High Speed Tape Punch Cover

CX

           

High Speed Tape Reader

CXB

           

High Speed Tape Reader Base

CXC

           

High Speed Tape Reader Cover

DAB

           

Cover Base, INKTRONIC Page Printer (RO)

DAAC

           

Keyboard Send-Receive Cabinet

DAK

           

Keyboard Send-Receive

DAPW

           

Paper Winder

DAR

           

Recorder for INKTRONIC Page Printer (RO)

DARC

           

Cover, INKTRONIC Page Printer (RO)

DAT

           

Paper Transport for INKTRONIC Page Printer (RO)

DCG

           

Discrete Calling Generator

DMAC

           

Magnetic Tape Set

DMAM

           

Magnetic Tape Set

DME

           

Magnetic Tape Set

DMT

           

Magnetic Tape Set

DRPE

           

High Speed Tape Punch Unit

DX

           

High Speed Tape Reader

DXD

           

Signal Distortion Test Set

EPCF

           

35 CARDATA Feeder

FB             M14 RO base
FK             M14 keyboard base
FP             M14 tape typing unit
FPR             M14 typing reperforator
FPRB             Base for FPR M14 typing reperforator
FRXD             M14 non-typing reperforator-transmitter-distributor
GPE             M14 keyboard perforator
KK             M31 keyboard base
KP             M31 tape printer
KPC             M31 cover
Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LAAC

           

28 or 35 Cabinet for ASR Sets

LABD

           

28 and 35 Answer-Back Unit

  LABD500   X       28 Answer-Back Unit
  LABD800   X       35 Answer-Back Unit

LAC

           

28 or 35 Cabinet for KSR and RO Sets

LAK

           

28 Keyboard Base for ASR & KTR
Analysis Chart - 28 Keyboard (LAKxx) features - LAK/AC

  LAK21           28 Keyboard Base
  LAK31           28 Keyboard Base
  LAK50           28 Keyboard Base
  LAK54           28 Keyboard Base
LARB             28 and 35 Multimagnet Nontyping Reperforator Base
 

LARB1

  X      

Base for 5-level LARP1

  LARB5   X       Base for 5-level LARP5
  LARB200   X       Base for 28 and 35 LARP
  LARB800   X       Base for 35 LARP

LARC

           

28 and 35 Multimagnet Nontyping Reperforator Cover

  LARC201   X       Cover for 28 and 35 LARP

LARP

           

28 and 35 Multimagnet Nontyping Reperforator

  LARP1   X       5 level (M28) Multimagnet Nontyping Reperforator
  LARP2   X       28 Multimagnet Nontyping Reperforator
  LARP5   X       28 Multimagnet Nontyping Reperforator
  LARP6   X       28 Multimagnet Nontyping Reperforator
  LARP600   X       6 level Multimagnet Nontyping Reperforator
  LARP700   X       7 level Multimagnet Nontyping Reperforator
  LARP800   X       8 level (M35) Multimagnet Nontyping Reperforator
  LARP801 28LA     X   8 level (M35) Multimagnet Nontyping Reperforator
Bell Code 28LA also includes LAK20BRV Keyboard
  LARP802   X       8 level (M35) Multimagnet Nontyping Reperforator

LAXD

           

28 Pivoted Head Multi-Contact Transmitter Distributor

  LAXD3 28C          
  LAXD7           TT-313/UG - 2 ea. used in AN/UGC-14 and AN/UGC-31 reperforator-transmitter sets.
  LAXD8           TT-376/UG - 2 ea. used in AN/UGC-17 reperforator-transmitter sets.

LB

           

28 KSR and RO Base

LBAC

           

28 Apparatus Cabinet

  LBAC200     X     28 Apparatus Cabinet for Multiple TD
  LBAC212 28A         28 Apparatus Cabinet for Receiver-Transmitter
  LBAC215 28A-1   X     28 Apparatus Cabinet
  LBAC216 28A-2   X     28 Apparatus Cabinet
  LBAC217 28A-3   X     28 Apparatus Cabinet
  LBAC218 28A-4   X     28 Apparatus Cabinet
  LBAC219 28A-5         28 Apparatus Cabinet
  LBAC220 28B         28 Apparatus Cabinet for Reperforator-Transmitter
  LBAC221 28A         28 Apparatus Cabinet - Turning Cabinet

LBPC

           

28 Keyboard w/Perforator Skintight Cover

LBXB

           

28 & 35 Single Mtg. and Multiple Mtg. Transmitter Distributor Base

 

LBXB1 28F* X      

* LBXB1 + LBXC200 => 28F Mounting & Cover Assembly

  LBXB2   X        
  LBXB800   X       35

LBXC

           

28 Transmitter Distributor Cover and Cabinet

 

LBXC200 28F*        

* LBXB1 + LBXC200 => 28F Mounting & Cover Assembly

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LBXD

           

28 & 35 Fixed Head Multicontact Transmitter Distributor

  LBXD1   X   X    
  LBXD2   X   X    
  LBXD4       X    
  LBXD5 28F     X    
  LBXD6     X      
  LBXD7 28G X   X    
  LBXD8         X  
  LBXD9     X     TT-334/UG - two 100 ma clutch magnets
Used in TT-333/UG, TT-333A, other Transmitter Groups
  LBXD14 28G-1 X X X    
  LBXD16     X     TT-312/UG - one 50 ma clutch + one 100 ma clutch magnets. Used in TT-310/UG, AN/FGT-5, AN/GGT-3, & other Transmitter Groups
  LBXD18           7.00 unit code - TT-354/UG used in AN/FGT-4 Transmitting Group
  LBXD21           7.50 unit code
  LBXD27           TT-501/UG - used in TT-310A/UG Transmitting Group
  LBXD29 28G-2 X X X    
  LBXD34           used in AN/UGT-8 Transmitting Group
  LBXD800     X     35

LCCU

           

35 Call Control Unit

LCL

           

 

  LCL?           ILB Timer

LCXB

           

28 or 35 Transmitter Distributor Base for ASR

LCXD

           

28 Fixed Head and Pivot Head Multi-contact Transmitter Distributor

  LCXD1 28B          

LD

           

28 or 35 Multiple Wire Distributor

  LD1 28A         mounts on base of 28 Page Printer Set or Sequence Selector
  LD2 28D         mounts on base of 28 Page Printer Set or Sequence Selector
  LD3 28A-1         mounts on base of 28 Page Printer Set or Sequence Selector
  LD4 28D-1         mounts on base of 28 Page Printer Set or Sequence Selector
  LD5 28A-2         mounts on base in 28ASR
  LD6 28D-2         mounts on base in 28ASR
  LD15   X       28 Multiple Wire Distributor (5-level, 7.42 unit)

LEPR

           

35 CARDATA Reperforator

LEPRB

           

35 CARDATA Reperforator Set Base

LEPRC

           

35 CARDATA Reperforator Cover

LEPT

           

35 CARDATA Table

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LESU

           

28 Electrical Service Unit

  LESU12 28D X        
  LESU30 28D-1 X        
  LESU75 28D-2 X        
  LESU96 28U X        

LEXD

           

35 CARDATA Reader-Transmitter Distributor

LFXB

LFXB1 28LA        

28 Transmitter Distributor Base-Tape Pullback Type

LFXD

           

28 and 35 Transmitter-Distributor-Tape Pullback Type

  LFXD1 28LA          
  LFXD2 28LB          

LK

           

28 KSR and RO

LK

           

35 Rack-Mounted Data Preparation Set

LK

           

35 KSR and RO

LKPC

           

28 or 35 Keyboard Reperforator Cover

LKPE

           

28 or 35 Nontyping Keyboard Perforator

LKTP

           

28 or 35 Typing Keyboard Perforator

LLB

           

28 Compact KSR and RO

LLB

           

28/32 RO Compact Base

LLK

           

28 Compact KSR and RO

 

LLK2CRL   X      

28 Compact KSR Keyboard (5 level, 7.42 code)

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LMRB

           

28 or 35 Multiple Reperforator Base

  LMRB200     X      
  LMRB201 28B   X      
  LMRB202     X      
  LMRB203     X      

LMU

           

Motor Units - LMU Specs

  LMU3 28A X X      
  LMU4            
  LMU6 28B X X      
  LMU12 28C   X      
  LMU14 28D   X      
  LMU15 35A          
  LMU19            
  LMU21 28LA          
  LMU29 28E X        
  LMU38            
  LMU39 28D          
  LMU41            

LMXB

           

28 or 35 Multiple Transmitter-Distributor Base

  LMXB200     X      
  LMXB201     X      
  LMXB202 28J   X      
  LMXB203     X      
  LMXB204 28K   X      
  LMXB206     X      

LP

           

28/32 Typing Units

LPC

           

28 KSR and RO Cover

  LPC400   X       Cover for Compact 28KSR

LPE

           

28 Non-typing Perforator for ASR & KTR

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LPR

           

28 and 35 Typing Reperforator

  LPR1   X        
  LPR3 28A (AWA)
28D (ARC)
      X used in 28RT
  LPR4 28A (AWA) X        
  LPR5   X        
  LPR6       X   used in 28ASR
  LPR7 28B (AWA) X        
  LPR10 28D (ARC)     X   used in 28ASR
  LPR22 28C, 28E X        
  LPR23 28D, 28F X        
  LPR25 28D, 28F       X  
  LPR32 28G X        
  LPR33 28D     X    
  LPR35BWA     X     TT-315/UG - 6 ea. used in TT-308/UG Receiving Group
  LPR35BRP     X     TT-494/GG - 6 ea. used in AN/GCR-1, AN/GCR-1A. TT-308A/UG Receiving Groups
  LPR42 28J, 28K X        
  LPR46 28L X        
  LPR47 28M X        
  LPR54 28K X        
  LPR56 28K     X    
LPRC              
  LPRC200 28A X       Cover for Typing Reperf (ROTR)

LPW

           

Paper Winder - General Usage

  LPW300 1A          

LRB

           

28 or 35 RO Typing Reperforator Base

  LRB2   X       single plate (for rack mount)
  LRB3 28A X       double plate (for ROTR)
  LRB5 28C     X    
  LRB21 28D X        
  LRB50 28F          
  LRB59 28G          
  LRB300 35A X       35 Typing Reperforator Base
  LRB305 35B X       35 Typing Reperforator Base
  LRB306 35C X       35 Typing Reperforator Base

LRC

           

28 RO Reperforator Cover

 

LRC200 28A X      

28 RO Reperforator Cover

LRPE

           

28 or 35 Non-typing Reperforator

  LRPE2           For Reperforator-Transmitter Set (RT)
  LRPE6           For Automatic Send-Receive Set (ASR)
  LRPE11           For Reperforator-Transmitter Set (RT)
  LRPE16 28H         For Non-typing Reperforator Set

LRS

           

28 or 35 Receiving Selector

 

LRS2 28A        

28 Receiving Selector

 

LRS800 35A        

35 Receiving Selector

LRSB

           

28 or 35 LRS Receiving Selector or LD Distributor Base

LRSB

           

28 or 35 LRS Receiving Selector or LD Distributor Cover

LRXB             28 or 35 Reperforator-Transmitter Base
  LRXB14           15" x 15" Base for Bell 28F Reperforator-Transmitter
LRXD   28F         internal name for Bell 28F (replacement for FRXD)
Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LS

           

28 Sequence Selector

LSB

           

28 Sequence Selector Base

LSRC

           

28 or 35 Send-Receive Reperforator or Tape Printer Cover

 

LSRC200 28B        

28 Send-Receive Typing Reperforator Set Cover 

 

LSRC201 28LA        

28 Send-Receive Tape Printer Set Cover

 

LSRC202 28LB        

28 Send-Receive Typing Reperforator Set Cover

 

LSRC203 28LB        

28 Send-Receive Typing Reperforator Set Cover

LT

           

28 or 35 Table

  LT200 28A X       Table for Typing Reperf
 

LT202

  X      

Table for Transmitter or  Transmitter-Distributor

LTHS

           

28 and 35 Tape Handling Stand

  LTHS200 28A          
  LTHS210 28A          

LTP

           

28 Tape Printer

  LTP1 28LA X        
  LTP2 28LA-1 X        

LTPE

           

28 Typing Perforator for ASR & KTR

LTPK

           

28 or 35 Tape Printer Keyboard Base

  LTPK1 28LA X       28 Tape Printer Keyboard Base
  LTPK2 28LB X       28 Tape Printer Keyboard Base
  LTPK3 28LC X       28 Tape Printer Keyboard Base
  LTPK800 35A         35 Tape Printer Keyboard Base
  LTPK801 35B         35 Tape Printer Keyboard Base
  LTPK802 35C         35 Tape Printer Keyboard Base
  LTPK803 35A-X3         35 Tape Printer Keyboard Base
  LTPK804 35A-X3         35 Tape Printer Keyboard Base
  LTPK805 35A-X3         35 Tape Printer Keyboard Base

LTRK

           

28 or 35 Keyboard Base - Send-Receive Typing Reperforator

  LTRK1 28E         28 Keyboard Base - Send-Receive Typing Reperforator
  LTRK2           28 Keyboard Base - Send-Receive Typing Reperforator
  LTRK3 28E         28 Keyboard Base - Send-Receive Typing Reperforator
  LTRK4           28 Keyboard Base - Send-Receive Typing Reperforator
  LTRK5           28 Keyboard Base - Send-Receive Typing Reperforator

LTS

           

28 Tape Splicer

LX

           

28 or 35 Transmitter

 

LX1

           
 

LX2

           
  LX3            
  LX4            
  LX600            
  LX700            
  LX800            
  LX801            
  LX802            
Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

LXD

           

28 or 35 Fixed Head Single Contact Transmitter Distributor

  LXD1            
  LXD3 28E X X X    
  LXD4 28H X X X    
  LXD5 28H-2 X X X    
  LXD7            
  LXD9 28H-1 X X X    
  LXD10            
  LXD11           TT-311/UG - 3 ea. used in TT-310/UG transmitter group
  LXD12            
  LXD13            
  LXD14            
  LXD15 28H-3 X X X    
  LXD17            
  LXD18 28H-4 X X X    
  LXD19            
  LXD20            
  LXD22            
  LXD23            
  LXD24            
  LXD25            
  LXD26 28H-5 X X X    
  LXD27            
  LXD29           3 ea. used in TT-310A/UG Transmitting Group
  LXD30            
  LXD31           TT-496/GG - 3 ea. used in AN/GGT-3 & AN/GGT-4 Transmitting Group
  LXD37           TT-602/UG - 6 ea. used in AN/UGT-4 & other Transmitting Groups
  LXD38           6 ea. used in AN/UGT-5 & other Transmitting Groups
  LXD600 20C X X X    
  LXD601            
  LXD602            
  LXD603            
  LXD800           35
  LXD801           35
  LXD802           35

LXDB

           

28 Transmitter Distributor Base

  LXDB1 28E* X       * LXDB1 + LXDC200 => 28E Mounting & Cover Assembly
  LXDB3 28H* X       * LXDB3 + LXDC200 => 28H Mounting & Cover Assembly
  LXDB4            
  LXDB5 28H-1* X       * LXDB5 + LXDC200 => 28H-1 Mounting & Cover Assembly
  LXDB6            
  LXDB8            
  LXDB9            
  LXDB10            
  LXDB12            
  LXDB13            
  LXDB14            
  LXDB15            
  LXDB16            
  LXDB17            
  LXDB18            
  LXDB200            
  LXDB201            

LXDC

           

28 & 35 Transmitter and Transmitter Distributor Cover

 

LXDC200

* X      

 

 

LXDC201

         

 

 

LXDC202

         

 

 

LXDC203

         

 

 

LXDC204

         

 

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

MK

           

Modification Kit

MU

           

M14/M5 Motor Unit

  MU43 28F          
MXB             M14 triple XD base
MXD             M14 triple XD

PBDG

           

Pushbutton Data Generator

PET             Table for M14 GPE Keyboard Perforator
PEX             M15 Perforator-Transmitter Keyboard

PW

           

Paper Winder

REC             Rectifier (power supply)
  REC10           115vac in - 120vdc 200ma out
  REC11           115vac in - 120vdc 600ma out
  REC13           M19 115vac in - 120vdc 600ma out
  REC29           115/230 vac in - 120vdc 200ma out
  REC30           M19 115/230 vac in - 120vdc 900ma out
  REC31           115/230 vac in - 120vdc 600ma out
  REC42           M19 115vac in - 120vdc 800ma out
  REC43           115vac in - 120vdc 200ma out
  REC45           115vac in - 120vdc 200ma out
  REC47           115vac in - 120vdc 2000ma and 90ma out
  REC48           115vac in - 120vdc 2000ma and 90ma out
RPE             M14 non-typing reperforator
RT             Table for RPE M14/M20 non-typing reperforator

RY

           

Relay

SA

           

Stuntronic Accessories

SMD

           

Selector or Magnet Drive - General Use

TF

           

High Speed Tape Feeder

-

           

Tape Splicer 28 Tape Splicer (LTS) Fully Perforated or Chadless

TRSC

           

High Speed Signal Converter

TSG

           

Signal Generator Test Set

TD

           

High Speed Transmitting Distributor

TTSC

           

High Speed Transmitting Signal Converter

TUW

           

High Speed Tape Unwinder

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

UCC

           

33 Call Control Unit

UCC

           

39 Call Control Unit

UCC

           

32 Call Control Unit

UK

           

33 Keyboard

UK

           

32 and 33 Solenoid - Reset Keyboard

UK

           

32 Keyboard

UK

           

Unwind Reels General Use

UP

           

33 Typing Unit

UP

           

32 Typing Unit

UPE

           

33 Tape Punch

UPE

           

32 Tape Punch

UX

           

33 Tape Reader

UX

           

32 Tape Reader

WESU

           

38 Electrical Service Unit

WK

           

38 Keyboard

WM

           

Word Counter

WP

           

38 Printer

WPC

           

38 Cover

WX

           

38 Tape Reader

WPE

           

38 Tape Punch

XD             M14 Transmitter Distributor

XRT

           

M14/M15 Table

Code Code Bell
Code
Self-contained
Set
Multiple Mtg
Set
ASR
Set
RT
Set
Notes

YAB

           

37 Answer-Back Unit

YAC

           

37 Reperforator-Transmitter (RT) Cabinet

YAC

           

37 Apparatus Cabinet

YB

           

37 Base (Keyboard Unit)

YESU

           

37 Electrical Service Unit

YK

           

37 Keyboard Unit

YMU

           

37 Motor Unit

  YMU2 37B          

YP

           

37 Typing Unit

YPC

           

37 Cover and Pan

YPR

           

37 Typing Reperforator Unit

YPW

           

37 Paper Winder

YRB

           

37 Typing Reperforator Base

YRC

           

37 Typing Reperforator Cover

YRPE

           

37 Nontyping Reperforator Unit

YT

           

37 Table

YTD

           

37 Electronic Distributor Unit

YTD             37 Transmitting Distributor