Dahua ASC2102B-T User manual

Two door two-way Slave Access
Controller
User’s Manual
V1.0.0

I
Legal Statement
Trademark
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Other trademarks and company names mentioned are the properties of their respective
owners.
About this Document
This document is for reference only. Please refer to the actual product for more details.
This document serves as a reference for multiple types of products, whose specific
operations won’t be enumerated. Please operate according to actual products.
The user shall undertake any losses resulting from violation of guidance in the document.
In case that PDF document cannot be opened, please upgrade the reading tool to the
latest version or use other mainstream reading tools.
This company reserves rights to revise any information in the document anytime; and the
revised contents will be added to the new version without prior announcement. Some
functions of the products may be slightly different before and after revision.
The document may include technically inaccurate contents, inconsistencies with product
functions and operations, or misprint. Final explanations of the company shall prevail.

II
Preface
Overview
This document elaborates on structure, installation, interface and wiring of two-door slave
access controller.
Symbol Definition
The following symbols may appear in this document. And their meanings are as follows:
Symbol
Note
It indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
It indicates a moderate or low level of potential danger which, if not
avoided, could result in minor or moderate injury.
It indicates a potential risk that, if ignored, could result in damage to
device, loss of data, degraded performance, or unpredictable results.
It means electrostatic-sensitive device.
It means high-voltage danger.
It means intensive laser radiation.
It means that it can help you to solve some problems or save your time.
It means the additional information, which is to emphasis or
supplement.

III
Important Safeguards and Warnings
The following description is the correct application method of the device. Please read the
manual carefully before use, in order to prevent danger and property loss. Strictly conform to
the manual during application and keep it properly after reading.
Operating Requirement
Please don’t place and install the device in an area exposed to direct sunlight or near heat
generating device.
Please don’t install the device in a humid, dusty or fuliginous area.
Please keep its horizontal installation, or install it at stable places, and prevent it from
falling.
Please don’t drip or splash liquids onto the device; don’t put on the device anything filled
with liquids, in order to prevent liquids from flowing into the device.
Please install the device at well-ventilated places; don’t block its ventilation opening.
Use the device only within rated input and output range.
Please don’t dismantle the device arbitrarily.
Please transport, use and store the device within allowed humidity and temperature range.
Power Requirement
Please make sure to use batteries according to requirements; otherwise, it may result in
fire, explosion or burning risks of batteries!
To replace batteries, only the same type of batteries can be used!
The product shall use electric cables (power cables) recommended by this area, which
shall be used within its rated specification!
Please use standard power adapter matched with the device. Otherwise, the user shall
undertake resulting personnel injury or device damage.
Please use power supply that meets SELV (safety extra low voltage) requirements, and
supply power with rated voltage that conforms to Limited Power Source in IEC60950-1. For
specific power supply requirements, please refer to device labels.
Products with category I structure shall be connected to grid power output socket, which is
equipped with protective grounding.
Appliance coupler is a disconnecting device. During normal use, please keep an angle that
facilitates operation.

IV
Table of Contents
Legal Statement......................................................................................................................................... I
Preface....................................................................................................................................................... II
Important Safeguards and Warnings .................................................................................................... III
1 Overview.............................................................................................................................................. 1
2 Packing List......................................................................................................................................... 2
3 Installation Guide................................................................................................................................ 3
3.1 System Structure........................................................................................................................... 3
3.2 External Dimension....................................................................................................................... 3
3.3 Device Installation......................................................................................................................... 4
3.4 Disassembly.................................................................................................................................. 5
3.5 Wiring Description......................................................................................................................... 6
3.5.1 Wiring Description of CAN Bus........................................................................................... 7
3.5.2 Wiring Description of Exit Button/Door Sensor .................................................................. 7
3.5.3 Wiring Description of External Alarm Input......................................................................... 8
3.5.4 Wiring Description of External Alarm Output...................................................................... 8
3.5.5 Wiring Description of Lock.................................................................................................. 9
3.5.6 Wiring Description of Internal Alarm Output ..................................................................... 10
3.5.7 Wiring Description of Reader............................................................................................ 10
3.6 DIP Switch....................................................................................................................................11
3.7 Reboot......................................................................................................................................... 12
4 Technical Parameters....................................................................................................................... 13

1
1 Overview
As a slave controller of access master controller, two-door slave access controller is matched
with access master controller and is widely used in banks, prisons and safe places.
Its rich functions are as follows:
Adopt sliding rail type and lock type installation, convenient installation and maintenance.
Integrate alarm and fire alarm.
Support 4 sets of card readers.
Support 9 groups of signal input (exit button *2, door sensor *2 and intrusion alarm *5).
Support 5 groups of control output (electric lock *2 and alarm output *3).
With RS485 port, it may extend to connect lift control module, alarm or household control
module.
Support CAN bus and connect master controller.
FLASH storage capacity is 16M (which may extend to 32M), max supports 20,000 card
holders and 30,000 offline records.
Support illegal intrusion alarm, exit overtime alarm, duress card alarm and duress code
setup. Also support black-white list and patrol card setup.
Data storage during outage, built-in RTC (support DST), online upgrading.
If this product needs to connect external power supply, please use 12V 0.5A adapter and
ensure that working temperature shall not exceed -5℃～+55℃.

2
2Packing List
Before installation, please check according to Table 2-1.
No.
Name
Quantity
1
Access controller
1
2
Installation positioning drawing
1
3
Accessory kit (screw, expansion pipe and
wiring terminal)
1
4
Quick start guide
1
5
Certificate of qualification
1
Table 2-1

3
3 Installation Guide
3.1 System Structure
System structure of two-door slave access controller, door lock and reader is shown in Figure
3-1.
Figure 3-1
3.2 External Dimension
Its appearance and dimension is shown in Figure 3-2 and Figure 3-3. The unit is mm.

4
Figure 3-2
Figure 3-3
3.3 Device Installation
There are two installation modes.
Mode 1: fix the whole device onto the wall with screws.
Mode 2: install U-shaped guide rail, and hang the whole device onto the wall (U-shaped
guide rail is a self-bought fitting).
Mode 1
Installation diagram is shown in Figure 3-4.

5
Figure 3-4
Mode 2
Installation diagram is shown in Figure 3-5.
Figure 3-5
Step 1 Fix the U-shaped guide rail onto the wall with screws.
Step 2 Buckle the upper rear part of the device into upper groove of U-shaped guide rail.
Step 3 Push the snap joint at the bottom of the device upwards. The installation is completed
when you hear the fitting sound.
3.4 Disassembly
If the device is installed with mode 2, please disassemble it according to Figure 3-6.
Align a screwdriver with the snap joint, press it down and the snap joint will pop up, so the

6
whole device can be disassembled smoothly.
Figure 3-6
3.5 Wiring Description
Device wiring diagram is shown in Figure 3-7.
Figure 3-7
Interfaces are described in Table 3-1.

7
No.
Interface Description
No.
Interface Description
1
CAN bus
9
Not available at present
2
External extension module
10
Entry reader of door 1
3
Door sensor and exit button
11
Exit reader of door 1
4
External alarm input
12
Entry reader of door 2
5
External alarm output
13
Exit reader of door 2
6
Lock control output
14
Reboot
7
Internal alarm output
15
DC 12V power interface
8
Address code/transmission rate
Table 3-1
Indicator lights are described in Table 3-2.
No.
Description
16
Lock status indicator
17
18
Alarm status indicator
19
20
Power indicator
Table 3-2
3.5.1 Wiring Description of CAN Bus
Wiring terminals of CAN bus are described in Table 3-3.
Interface
Wiring Terminal
Description
CAN bus
CANL
CAN bus input
CANH
CANL
CAN bus output
CANH
Table 3-3
3.5.2 Wiring Description of Exit Button/Door Sensor
Corresponding wiring terminals of exit button and door sensor are shown in Figure 3-8. Please
refer to Table 3-4 for descriptions of wiring terminals.
Figure 3-8
Interface
Wiring Terminal
Description
Exit button+ door
GND
Shared by exit button of door 1 and door

8
Interface
Wiring Terminal
Description
sensor
sensor input of door 1
PUSH1
Exit button of door 1
SR1
Door sensor input of door 1
PUSH2
Exit button of door 2
SR2
Door sensor input of door 2
GND
Shared by exit button of door 2 and door
sensor input of door 2
Table 3-4
3.5.3 Wiring Description of External Alarm Input
External alarm input connection is shown in Figure 3-9. Please refer to Table 3-4 for
descriptions of wiring terminals.
Figure 3-9
Interface
Wiring Terminal
Description
External
alarm
input
ALM1
Alarm input interface 1
External alarm input interfaces are
able to connect smoke detector and
IR detector etc..
ALM2
Alarm input interface 2
ALM3
Alarm input interface 3
ALM4
Alarm input interface 4
ALM5
Alarm input interface 5
(reserved)
GND
Shared by alarm input
interface 1, 2, 3, 4 and 5
Table 3-5
3.5.4 Wiring Description of External Alarm Output
There are two connection modes of external alarm output, depending on alarm device. For
example, IPC can use Mode 1, whereas audible and visual siren can use Mode 2, as shown in
Figure 3-10 and Figure 3-11. Please refer to Table 3-6 for descriptions about wiring terminals.

9
Figure 3-10
Figure 3-11
Interface
Wiring Terminal
Description
External alarm
output
NO
External alarm output interfaces are able
to connect audible and visual sirens.
COM
Table 3-6
3.5.5 Wiring Description of Lock
Support 2 groups of lock control outputs; serial numbers after the terminals represent
corresponding doors. Please choose a proper connection mode according to lock type, as
shown in Figure 3-12, Figure 3-13 and Figure 3-14. Please refer to Table 3-7 for descriptions of
wiring terminals.
Figure 3-12
Figure 3-13

10
Figure 3-14
Interface
Wiring Terminal
Description
Lock control output
NC1
Lock control of door 1
COM1
NO1
NC2
Lock control of door 2
COM2
NO2
Table 3-7
3.5.6 Wiring Description of Internal Alarm Output
Corresponding wiring terminals of internal alarm control output are shown in Table 3-8.
Interface
Wiring Terminal
Description
Internal alarm
control output
NC1
Intrusion, overtime and vandal-proof
alarm output of door 1. Output time lasts
for 15s.
COM1
NO1
NC2
Intrusion, overtime and vandal-proof
alarm output of door 2. Output time lasts
for 15s.
COM2
NO42
Table 3-8
3.5.7 Wiring Description of Reader
1 door only supports to connect one type of reader—485 or Wiegand.
Please refer to Table 3-9 for descriptions of wiring terminals corresponding to readers. Take
Door 1 for example, and other readers are the same as door 1. Please refer to Table 3-10 for
descriptions of video cable specification and length.
Interface
Wiring Terminal
Cable Color
Description
Entry Reader of
Door 1
485+
Purple
485 reader
485-
Yellow
LED
Brown
Wiegand reader
D0
Green
D1
White
CASE
Blue
GND
Black
Reader power supply

11
Interface
Wiring Terminal
Cable Color
Description
12V
Red
Table 3-9
Reader Type
Connection Mode
Length
485 Reader
CAT5e network cable, 485 connection
100m
Wiegand Reader
CAT5e network cable, Wiegand connection
30m
Table 3-10
3.6 DIP Switch
Set device number and speed with DIP switch. DIP switch is shown in Figure 3-15. Please refer
to
Function
No.
Description
Device Number
1～5
Set device number with binary system. The left is the
lowest order. For example:
Binary representation 00110 corresponds to 6 in decimal
system.
Speed
6～8
Set the speed.
All of them are at the bottom ,
transmission speed is 50kb/s.
Only digit 6 is at ON position ,
transmission speed is 80kb/s.
Only digit 7 is at ON position ,
transmission speed is 100kb/s.
Digits 6 and 7 are at ON position ,
transmission speed is 125kb/s.

12
Table 3-11 for details.
 the switch is at ON position, meaning 1.
 the switch is at the bottom, meaning 0.
Figure 3-15
Function
No.
Description
Device
Number
1～5
Set device number with binary system. The left is the lowest
order. For example:
Binary representation 00110 corresponds to 6 in decimal system.
Speed
6～8
Set the speed.
All of them are at the bottom ,
transmission speed is 50kb/s.
Only digit 6 is at ON position ,
transmission speed is 80kb/s.
Only digit 7 is at ON position ,
transmission speed is 100kb/s.
Digits 6 and 7 are at ON position ,
transmission speed is 125kb/s.
Table 3-11

13
3.7 Reboot
Insert a needle into RESET hole, and long press the reboot controller.

14
4 Technical Parameters
Parameter
Specification
Processor
32-bit ARM processor
Storage Capacity
16M
Max User
20,000
Max Record
30,000
Communication Port of Reader
Wiegand,RS485
Communication Port
CAN
Quantity of Connected Reader
4 groups
Working Power
Rated power 10V～15V DC, rated current 0.75A
Real-time Monitoring
Support
Fire Alarm Linkage
Support
Vandal-proof Alarm
Support
Illegal Intrusion Alarm
Support
Unlock Overtime Alarm
Support
Duress Card Setup
Support
DST and Time Sync
Support
Online Upgrading
Support