Stoplight - Matko SBL-2 Manual

Section 7:

Stoplight

The Stoplight Requires that options 21 and 22 be set for the desired configuration*
Pin 2 (GND) can be shared with the Stoplight and RS232 Signal Ground.
Switch
Option 21 = 1
Option 22 = 1
Connect a dry contact switch between pins 13 and pin 2 (GND).
Circuit Logic:
Open = Red, Closed = Green
Single Line TTL
Option 21 = 1
Option 22 = 1
Connect a TTL Output to Pin 13 and reference a common Ground from the transmitting device to
Pin 2 (GND).
Circuit Logic TTL:
High = Red, Low = Green
Dual Line TTL (Open On)
Option 21 = 2
Option 22 = 2
Connect TTL Green Control Line to pin 13
Connect TTL Red Control Line to pin 14
Reference a common Ground between the display and outputting device.
Result
High turns Light On, Low turns Light Off
Dual Line TTL (Closed On)
Option 21 = 3
Option 22 = 3
Connect TTL Green Control Line to pin 13
Connect TTL Red Control Line to pin 14
Reference a common Ground between the display and outputting device.
Result
High turns Light Off, Low turns Light On
Section 7: Stoplight
14