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Southern Digital RR Hobbies

Southern Digital, 4002 Hwy 78 West, Suite 530-190, Snellville, GA 30039

Phone (770) 929-1888 Daily or e-mail at




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To all our valued customers, we have spent the last 6 months developing a new web sit. Click on the button on the right ================>

Thanks Paul

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Signal Drivers

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Digitrax SE8C Signal Driver

MSRP $125.00
Your Price  $100.00

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Target Signal Southern TS-8 Signal Driver

MSRP $89.95
TS8 Built  $72.00

SE8C Plug 'N Play Signal Decoder make it easy to add prototypical signaling to your layout.  The SE8C can drive as many as 32 signal heads with many popular LED signal types.  PC and Software Required.
ABS Target Signal Driver Circuit Board
Controls Eight Target / Search Light Color Signals that use bi-color/tri-colored LEDs. NO PC Required. 


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DBL Signal Southern Digital 3 Color Signal Driver

MSRP $119.95
Your Price  $96.00

EX-8 Interface
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MSRP $35.95
Your Price  $29.00

ABS Signal Controller Circuit Board
The Signal Control Board will control signals in 4 blocks in 2 directions.  Each signal head must be equipped with either 3 lamps or 3 LEDs (Red, Yellow & Green).  For more details press the Info button. NO PC Required. 
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   Interface between Digitrax BDL-168 and a TS-8 or SL4x2. Supports 8 detection Zones.


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Digitrax TSMK

MSRP $14.95
Your Price  $12.00

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Digitrax SMBK

MSRP $15.00
Your Price  $12.00

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Digitrax SMHK

MSRP $9.95
Your Price  $9.20

Includes 2 terminal strip boards with resistors for easy installation. Each terminal strip board can handle from 1 to 4 signal heads. Use this interface instead of Signal Mast Bases when you already have signals installed on your layout. Simply run the wires from your existing signals to the terminals on the TSMK and plug your Signal Driver Cable in on the plug provided.

Includes 3 Signal Masts that can be used as Signal Mast Bases in any scale or can be painted and detailed and used as N-scale signal masts.

Under layout mounting hardware for Signal Driver Cables and their sockets. 6 metal signal straps and 6 signal spacers. These handy bits of hardware hold your signal plugs at just the right distance from the layout to make it easy to plug in your signals.



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Logic Rail Grade Crossing Pro

MSRP $42.95
Your Price  $38.65

Prototypical control of grade crossing signals (LED or bulbs) and gates. This board used photo cells between the rails to detect the presence of a train.


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Logic Rail Signal Animator for 3 position semaphors

MSRP $24.95
Your Price  $21.25

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Photo Cell

Your Price  $1.75

Signal Animator version SAD-SBCA for use with Tomar semaphore motors, bulb-based signals, and LED-based position light signals wired with a common anode
Photocell for use with any of our "Animators" or the Grade Crossing Pro