CONTENTS
INTRODUCTION
INSTALLATIONCOMMISSIONINGOPERATION
4
Specifications
Supply voltage: 10.5 - 28VDC
Current consumption (@12VDC): 50mA (Standby), 170mA (Active)
Trigger Inputs: Eight: positive/negative applied or
positive/negative removed (5 - 24VDC)
Outputs: X4 Open collector switched
-ve @100mA
Telecommunications Approval: CTR21
REN Rating: 1
Dialling Formats: DTMF
Dimensions: 140mm x 115mm x 30mm
Weight: 360g (approximately)
Operating environment: -10
o
C to +55
o
C
SD3 panel layout
Keypad function keys
A Scroll up
B Record / special character key
C Scroll down
D Clear display
E Enter / Play
F Escape
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