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™ The Radionics logo is a registered trademark of Radionics, Inc.
© 1997 Radionics, Inc., Salinas, CA, USA. All rights reserved.
D9210B Terminal Quick Reference
and Electrical Specifications
Terminal
Description
Electrical Specifications
1
PWR +
12 VDC power input
•
10.2 - 13.8V [depending on reader draw: 110
mA (board) + 150 mA (reader max) = 260 mA]
2
LCK N/C
Continuity with LCK COM when relay is off.
•
12/24 V @ 2.0 A max (30 VDC max)
3
LCK COM
Input to feed LCK N/C (T2) and Lock N/O (T3)
4
LCK N/O
Continuity with LCK COM when relay is on.
•
12/24 V @ 2.0 A max (30 VDC max)
5
COMMON
Common Input (power for lock and device)
6
SDI A
Data from the panel to the D9210B
•
high impedance bi-directional differential bus
7
SDI B
Data back to the panel from the D9210B
RS-485 @ 9600 baud
8
T +
Positive input for Tamper, normally open
•
open collector input 1K pull up
•
V in < 1.8 V on > 3.2 V off
9
ZNCOM
Common input for on-board point
•
1K
Ω
termination resistor between T9 and
T10 required
10
ZN +
Positive Input for on-board point
11
RTE
Input from Request to Enter (RTE) momentary
short device
•
open collector input 1K pull up
•
V in < 1.8 V on > 3.2 V off
12
COM
Common input for REX/RTE devices
13
REX
Input from Request to Exit (REX) momentary
short device
•
open collector input 1K pull up
•
V in < 1.8 V on > 3.2 V off
14
+5.2 V
Power out to 5.2 VDC card reader.
•
V out 5 V
±
.25 V for 20 - 140 mA load
•
150 mA maximum continuous
15
DATA 0
Data 0 input from card reader (activates D0
LED)
•
high impedance differential inputs with 10 K
pull up to +5.2 V
16
DATA 1
Data 1 input from card reader (activates D1
LED)
17
BUZZER
Buzzer common upon strike activation.
•
sink up to 35 mA from 5 - 14 VDC source
•
output impedance is 100
Ω
18
LED
LED common upon card read response and
strike activation.
•
sink up to 35 mA from 5 - 14 VDC source
•
output impedance is 180
Ω
Table 6. Terminal Quick Reference Guide and Electrical Specifications
Radionics, Inc.
PO Box 80012
Salinas, California 93901-0012
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