CV 249

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CV 249
Decoder Model ID
Range of Values0-255
Accepted ValuesNone
Default ValueVaries

NMRA CV 249 - Decoder Model ID Number

TCS decoders are each assigned a unique identification number which is associated with the hardware/name of the decoder. This ID number is know as the Decoder Model, and is stored in CV249. The most common use for CV249 is by JMRI Decoder Pro, which uses this ID number to help identify and select the correct decoder definition is right for your decoder.

If you unsure what kind of decoder you have simply read the value in CV249 match it to its type in this table.

Make Description ID Number
DP2X HO-Scale | 2 Function | Direct-plug 1
DP2X-UK HO-Scale | 2 Function | Direct-plug 2
DP5 HO-Scale | 5 Function | Direct-plug 3
A4X HO-Scale | 4 Function | Drop-in 4
A6X HO-Scale | 6 Function | Drop-in 5
FL2 Function-Only | 2 Function 6
FL4 Function-Only | 4 Function 7
M1 2 Function | Hard-wire 8
M1P-15 N-Scale | 4 Function | Drop-in 9
M3 Discontinued 10
M4 4 Function | Hard-wire 11
MC2 2 Function | Hard-wire 12
MC4 4 Function | Hard-wire 13
T1 Discontinued 14
T1A Discontinued 15
T4 (All Variants) 4 Function | Hard-wire/JST-9 16
T6-LED HO-Scale | 8 Function LED-only | Hard-wire/JST-9 17
G8 G-Scale | 8 Function | Hard-wire 18
ALD4 N-Scale | 4 Function | Drop-in 19
AMD4 N-Scale | 4 Function | Drop-in 20
ASD4 N-Scale | 4 Function | Drop-in 21
CN N-Scale | 2 Function | Drop-in 22
CN-GP N-Scale | 3 Function | Drop-in 23
EUN651 N-Scale | 2 Function | Direct-plug 24
K0D8-A N-Scale | 8 Function | Drop-in 25
K0D8-B N-Scale | 8 Function | Drop-in 26
K0D8-C N-Scale | 8 Function | Drop-in 27
K0D8-D N-Scale | 8 Function | Drop-in 28
K1D4 N-Scale | 4 Function | Drop-in 29
K1D4-NC N-Scale | 4 Function | Drop-in 30
K2D4 N-Scale | 4 Function | Drop-in 31
K3D3 N-Scale | 3 Function | Drop-in 32
IMD4 N-Scale | 4 Function | Drop-in 33
IMF4 N-Scale | 4 Function | Drop-in 34
IMFP4 N-Scale | 4 Function | Drop-in 35
IMFTA4 N-Scale | 4 Function | Drop-in 36
IMFTB4 N-Scale | 4 Function | Drop-in 37
MP-15N N-Scale | 4 Function | Drop-in 38
VO-1000 N-Scale | 4 Function | Drop-in 39
MZA4 Z-Scale | 4 Function | Drop-in 40
Z2 Z-Scale | 2 Function | Hard-wire 41
M4T descript. 42
LL8 HO-Scale | 8 Function | Direct-plug 43
EU621 descript. 44
L1D4 N-Scale | 4 Function | Drop-in 45
K4D6 N-Scale | 6 Function | Drop-in 46
AS6 HO-Scale | 6 Function | Drop-in 47
KAT12 Discontinued 48
KAT14 Discontinued 49
KAT16 Discontinued 50
KAT22 HO-Scale | Integrated KA | 2 Function | Hard-wire/JST-9 51
KAT24 HO-Scale | Integrated KA | 4 Function | Hard-wire/JST-9 52
KAT26 HO-Scale | Integrated KA | 6 Function | Hard-wire/JST-9 53
T4-LED Discontinued 54
KAM4 HO-Scale | Integrated KA | 4 Function | Hard-wire 55
K0D8-E N-Scale | 8 Function | Drop-in 56
KAM4 LED HO-Scale | Integrated KA | 4 Function LED-only | Hard-wire 57
T1-LED descript. 58
K5D7 N-Scale | 7 Function | Drop-in 59
LL8-LED HO-Scale | 8 Function; LED headlights | Direct-plug 60
AZL4 Z-Scale | 4 Function | Drop-in 61
MT1500 N-Scale | 2 Function | Drop-in 62
K6D4 N-Scale | 4 Function | Drop-in 63
K7D4 N-Scale | 4 Function | Drop-in 64
EU821 HO-Scale | 8 Function| Direct-plug 65
Korea Brass TCV Korea Brass Track Cleaning Vehicle 66
K0D8-F N-Scale | 8 Function | Drop-in 67
*(Reserved) 68,69
AZL1D4 Z-Scale | 4 Function | Drop-in 70
*(Reserved) 68-128
WOW100 (Steam) 129
WOW101 (Steam) 130
WOW121 (Steam) 131
WOW501 (Steam) 132
WOW101 (Diesel) 170
WOW121(Diesel) 171
WOW501 (Diesel) 172
SC-44 (HO) Bachmann OEM decoder for Siemens Charger (all types) 180
DSV-1 Bachmann OEM decoder for HO-Scale (Type 1) 181
DSV-2 Bachmann OEM decoder for HO-Scale (Type 2) 182
OEM-21 OEM decoder for HO-Scale MTC21/NEM660 200
ACS-64 Bachmann OEM HO-Scale Siemens ACS-64 220
PIKO-GE-25-Ton Piko OEM decoder for G-scale GE 25-Ton Switcher 230