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Appendix A: D9210B Terminal Quick Reference
and Electrical Specifications
Terminal
Description
1
PWR +
12 VDC power input
2
LCK N/C
Continuity with LCK COM when relay is off.
Input to feed LCK N/C (T2) and Lock N/O
3
LCK COM
(T3)
4
LCK N/O
Continuity with LCK COM when relay is on.
5
COMMON
Common Input (power for lock and device)
6
SDI A
Data from the panel to the D9210B
7
SDI B
Data back to the panel from the D9210B
8
T +
Positive input for Tamper, normally open
9
ZNCOM
Common input for on-board point
1
ZN +
Positive Input for on-board point
0
1
RTE
Input from Request to Enter (RTE) momentary
1
short device
1
COM
Common input for REX/RTE devices
2
1
REX
Input from Request to Exit (REX) momentary
3
short device
1
+5.2 V
Power out to 5.2 VDC card reader.
4
1
DATA 0
Data 0 input from card reader (activates D0
5
LED)
1
DATA 1
Data 1 input from card reader (activates D1
6
LED)
1
BUZZER
Buzzer common upon strike activation.
7
1
LED
LED common upon card read response and
8
strike activation.
Table 10: Terminal Quick Reference Guide and Electrical Specifications
© 2002 Bosch Security Systems
Appendix A: D9210B Terminal Quick Reference
D9210B Operation and Installation Guide
Page 27
and Electrical Specifications
Electrical Specifications
8.5 - 13.8V [depending on reader draw: 110
mA (board) + 150 mA (reader max) = 260 mA]
12/24 V @ 2.0 A max (30 VDC max)
12/24 V @ 2.0 A max (30 VDC max)
high impedance bi-directional differential bus
RS-485 @ 9600 baud
open collector input 1 k pull up
V in < 1.8 V on > 3.2 V off
1K
termination resistor between T9 and
T10 required
open collector input 1k pull up
V in < 1.8 V on > 3.2 V off
open collector input 1 k pull up
V in < 1.8 V on > 3.2 V off
V out 5 V .25 V for 20 - 140 mA load
150 mA maximum continuous
high impedance differential inputs with 10 k
pull up to +5.2 V
sink up to 35 mA from 5 - 14 VDC source
output impedance is 100
sink up to 35 mA from 5 - 14 VDC source
output impedance is 180
D9210B
32206G
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