Specifications

SATEL INT-KSG 3
Fig. 2. Keypad electronics board in the front panel.
Explanations for Fig. 2:
1 -
terminals:
+12V - power supply input.
COM - common ground.
DTM - data.
CKM - clock.
RSA, RSB - unused terminals.
Z1, Z2 - zones.
2 - tamper contact (NC).
3 - sounder.
4 - RS-232 (TTL) port – enables connecting the keypad to the computer COM port by
means of the SATEL made cable, available with the DB9FC/RJ-KPL kit, and updating
the keypad firmware afterwards.