C106
Coded Access Keypad
Including:
CS106 and BL106
Door Entry & Coded Entry
PD-024 Issue 4
CS106/BL106 Combined Door Entry and Coded Access
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Features
Up to 10 codes each of 1 to 8 digits.
Two Time Zones for Staff / Executive operation.
Output for Fail-Safe and Fail-Secure locks.
Exit button facility.
Lock timer.
Secure programming via the keypad.
Non-volatile memory.
Products
CS106 Series combined coded access and door entry system.
BL106 Series combined coded access and door entry system
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Contents
Features .................................................................................................................. 3
Products .................................................................................................................. 3
General Description ................................................................................................ 6
Basic Operation ................................................................................................ 6
Other Features: ................................................................................................ 6
Installation ............................................................................................................... 9
Wiring for the C106 Keypad ............................................................................ 9
Cable Requirements ...................................................................................... 10
Power Supply - Important Safety Information .............................................. 11
Electric Lock Release .................................................................................... 13
High Current Lock Releases ......................................................................... 14
Time Restricted Access ................................................................................. 15
Exit Button ...................................................................................................... 15
Programming the C106 Keypad .......................................................................... 16
General ........................................................................................................... 16
Each program function is described in detail on the following pages. ....... 16
Programming a New Access Code (Functions 1 to 10) .............................. 17
Changing the Security key (Function 91) ..................................................... 18
Programming the Action Codes (Functions 51 to 60) ................................. 20
Programming the Lock Duration (Function 95) ............................................ 22
Programming a Lock Delay Time (Function 96) .......................................... 23
Programming the Factory Settings (Function 99) ........................................ 24
Summary of Program Functions .......................................................................... 25
Table 1 - Programming Access Codes ......................................................... 25
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Table 2 - Programming of Action Codes ...................................................... 26
Table 3 - Summary of Action Numbers ........................................................ 26
Table 4 - Programming of Other Functions .................................................. 27
Commissioning ..................................................................................................... 28
Testing the Lock Release Outputs................................................................ 28
Testing the controller with factory settings ................................................... 29
Troubleshooting .................................................................................................... 30
Programming the Factory Settings with the Test Button ................................... 32
Specification for the C106 Controller .................................................................. 33
CS106 / BL106 Combined Series ....................................................................... 35
General Description .............................................................................................. 36
CS106 Complete Systems ............................................................................ 36
BL106 Complete Systems ............................................................................. 36
Installation of the Door Entry Phone System ............................................... 37
Cable Planning ..................................................................................................... 38
Cable Requirements ...................................................................................... 38
Installation Procedure .................................................................................... 40
Troubleshooting .................................................................................................... 41
CS106-1/BL106-1 Wiring (1 Way Combined) .................................................... 44
CS106-N/BL106-N Wiring (Multi-way Combined) .............................................. 45
Wiring Diagram - 2 Door System with the C106 ................................................ 46
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General Description
The C106 Coded Access Controller is a high quality, versatile security product,
controlling access to a door by means of a keypad and an electric lock release
mechanism.
Basic Operation
The C106 Keypad may be programmed with up to 10 unique access codes. If
a valid code is entered on the keypad, the lock release will operate for a preset
duration.
The keypad has one green and one red LED to indicate the system status to the
user; the green LED indicates that the lock release is operating, whilst the red
LED indicates an invalid entry.
Other Features:
Multiple codes
The C106 has 10 access codes available each of which can be 1 to 8 digits long.
The extra codes are provided for a variety of possible uses:-
• Multi-user applications, e.g. for a small office block.
• Time-restricted access (described below).
Time-Restricted Access (Staff/Executive Operation)
Any of the 10 access codes may be programmed to operate during a restricted
CS106/BL106 Combined Door Entry and Coded Access
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time period only. This time period can be determined by a time-clock or
manually via a key switch.
For example, with factory settings, the operation of code 1 is unrestricted
(Executive Code) whilst code 2 is restricted to when the time-clock input is
closed (Zone 1 - Staff Code).
Codes can also be programmed to operate during alternate shifts. e.g. code 1
operates when the time-clock input is open (Zone 2) and code 2 operates when
the time-clock input is closed (Zone 1).
Refer to ‘Programming the Action Codes’ page 20 and Table 1 page 25 for
further details.
Exit Facility
The Exit facility enables the lock release to be operated directly from a
push-button for the predetermined lock duration. Typically this would be used
to allow personnel to freely exit through the controlled door. The facility may
also be used for a Fireman’s’ key-switch, or to interface with other security
products such as a Door Entry Telephone System.
Lock Delay
If required, the lock release can be programmed to operate after a preset time
delay, following entry of the access code. This function is useful if the keypad
is located a significant distance from the entrance.
Non-Volatile Memory
The access codes and user programs are stored in a protected non-volatile
EEPROM memory, which does not rely on batteries. The access codes and
other programmable parameters are retained indefinitely without power
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Programmable Options
In addition to the 10 access codes the user may program the following other
functions:
Lock Duration (1-99 seconds)
Lock Delay Time (0-99 seconds)
Time-Restricted Access
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Installation
Read carefully all of the information presented in this chapter and then install the
system in accordance with the wiring diagram below.
Wiring for the C106 Keypad
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Cable Requirements
Cable Types
0.5mm: Twisted pair, e.g. BT spec CW1308 or CAT5 UTP
1.0mm: 1.0mm2 ‘Twin mains flex’
Connections
No. of cores
Cable length
Core diameter
Power supply 2 up to 15M
up to 50M
0.5mm
1.0mm
Lock release (up to
500mA)
2 up to 5M
up to 25M
0.5mm
1.0mm
Time Clock 4 100M max. 0.5mm
Exit button 2 100M max. 0.5mm
In most cases cable length restrictions should not present a problem, however
where longer lengths are required please refer to the manufacturer for advice.
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Power Supply - Important Safety Information
The Model 340C Power Supply must be wall mounted on to plasterboard, wood
or a similar non-conductive material, in a protected indoor environment and
close to a 240V AC electrical supply e.g. an electrical cupboard. Connections
to the 240V AC mains supply must be carried out by a qualified electrician or
similar competent person, and made in accordance with accepted safety
practices.
A two pole switch (as provided by a Consumer Unit or Switch Fuse) must be
included to isolate both Live and Neutral during Installation or Maintenance. The
circuit must be protected by a fuse or other current limiting device, rated
according to the capacity of the cable used, up to a maximum of 10A.
Fuse
There is no serviceable fuse inside the model 340C Power Supply. It has an
electronic current / thermal limit which will recover when a fault is removed.
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Mains Cables
Use only mains cable to BS6004, BS6500, or equivalent, within the following
specified limits:
Minimum
Maximum
Conductor Diameter 1.0mm (0.75mm2) 2.25mm (4mm2)
Cable Diameter 4.0mm 8.0mm
When fitting the cables (both primary and secondary) ensure that the cable
entry cut-outs provided are used.
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Electric Lock Release
When installing lock releases please allow a little movement on the door as
operation will be impaired if fitted too tightly.
The C106 Keypad provides two alternative pairs of connections for direct
connection of an electric lock releases:-
‘FAIL SECR’
: Use these connections for ‘Fail-Secure’ lock releases. These
devices require power to release the lock and will secure the door in the event of
power failure. These are the most commonly used lock releases.
‘FAIL SAFE’:
Use these connections for ‘Fail-Safe’ lock releases and magnetic
locks. Both of these devices require continuous power to lock the door and will
release the door if power fails.
Note
Any magnetic lock (Maglock) must be fitted with a suitable transient voltage
suppressor, e.g. a diode or MOV. Please contact the manufacturer of the
Maglock to check
These outputs are rated at the input voltage (12V ) with a maximum current
consumption of 0.5A.
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High Current Lock Releases
For a lock release or a magnetic lock rated higher than 0.5A an additional power
supply will be required. In addition a relay must be used to interface with the
C106 Keypad.
The relay contacts, or the lock-release, must be fitted with a suitable
suppression device to prevent voltage transient and electromagnetic
interference being generated by the coil of the lock release. (Refer to
manufacturer for further advice).
Consideration should be given to the problem of a voltage drop at the lock
release. Please refer to the manufacturer of the particular lock release for
information on suitable cable length versus thickness and power supply rating.
High Current Lock Release
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Time Restricted Access
The C105 Keypad has a pair of terminals marked ‘TIME’ which can be
connected to an external Time Clock or Key switch to control time-restricted
access. Any switch contact must be fully isolated (i.e. voltage free), the
TS2000-BST Time Clock is normally used.
Access codes may be programmed as follows:
Access
Time Switch Status
Usage
No Restriction - Executive
Zone 1 Contact Closed Staff (shift 1)
Zone 2 Contact Open Staff (shift 2)
Exit Button
The terminal marked ‘EXIT’ may be connected to an external push-button (e.g.
5077 switch) for ‘push to exit’ operation. Momentarily operating this button will
directly operate the lock release for the programmed duration.
Alternatively, the input may be used with a Fireman’s Override key-switch,
which should be of the normally-open type. If this feature is to be used it is
important that the lock release be of a continuously-rated design.
In general, a switch connected to the ‘EXIT’ terminals should be fully isolated i.e.
Voltage-free.
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Programming the C106 Keypad
General
The 10 access codes, lock time etc, are all programmed via the keypad. To
prevent unauthorised use, a security key (1 - 8 digits) must be entered.
The basic principle of programming is as follows:
Each program function is described in detail on the following pages.
Procedure
■ Enter the security key (1 to 8 digit number, default 1212). Check
the red LED flashes continuously.
■ Enter a key sequence on the keypad.
■ Observe both the red and green LEDs flash for one second.
■ When all functions are programmed, exit program mode by
pressing
++
++++
++
. The red LED stops
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Programming a New Access Code (Functions 1 to 10)
The C106 Keypad has ten access codes. Each code may be between 1 to 8
digits long.
NOTE
By default code 2 will only work when the TIME terminals are shorted and codes
3 to 10 are disabled. The Action codes should be adjusted as required, refer to
page 20
Procedure
Enter the current Security
key (default 1212). Check
the red LED flashes
continuously.
Type :
< 1 - 10 >
++++
<New Code> #
Both LEDs flash once
Exit program mode by
pressing
++
++++
++
Example
1
++++
7754 #
(code 1 = 7754)
5
++++
8652 #
(code 5 = 8652
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Changing the Security key (Function 91)
The security key is the code that must be entered on the keypad to gain access
to the settings.
The security key is factory set to 1212, to maintain security we recommend that
this be changed immediately.
To ensure an adequate level of security it is recommended that a minimum of 4
digits be used for the security key, giving 10,000 combinations.
Procedure
Enter the current Security
key.
Type :
91
++++
<New Key> #
Both LEDs flash once
Exit program mode by
pressing
++
++++
++
Factory Setting
= 1212
Example
91
++++
87305 #
(Security key = 87305)
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Choosing an access code
To ensure an adequate level of security it is recommended that a minimum of 4
digits be used for each access code, giving 10,000 combinations. Codes
should be chosen carefully to avoid obvious sequences and repetitions (e.g.
12345, 258, and 4444) which may be easily guessed or discovered. Try to
choose codes with a random appearance (e.g. 6149, 186403) and avoid
telephone numbers and other meaningful codes which, again, may be guessed
by a would-be intruder. It is also a good idea to regularly change the access
codes.
When choosing access codes it is important that no code is a subset of another
code, e.g. If code 1 = 234 and the code 2 = 12345, code 2 would never open
the door as 234 is a subset of 12345.
Maintenance
It is important also that the keypad be regularly cleaned to remove finger marks
which may give clues as to the access code. Use a soft cloth moistened with
dilute detergent. Do not use organic solvents or any other cleaner.
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Programming the Action Codes (Functions 51 to 60)
Each access code has an associated action number. This is a single digit from
0-3 which determines the action that occurs following the entry of that access
code.
Function 51 - Code 1 action code.
Function 52 - Code 2 action code.
.
.
.
Function 60 - Code 10 action code.
Summary of Action Codes
Code
Action
0 No action ( code is disabled)
1 Lock operates
2 Lock operates only if Time contacts are closed (Zone 1)
3 Lock operates only if Time contacts are open (Zone 2)
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No Function
Key Sequence
Factory Setting
51 Code 1 Action Number
51
++++
<0-3> #
1 (Operate always)
52 Code 2 Action Number
52
++++
<0-3> #
2 (Zone 1 -
Operate
when Time closed)
53
-
60
Code 3 to Code 10
Action Number
53 - 60
++++
<0-3> #
0 (Disabled)
Procedure
Enter the current Security
key (default 1212).
Type :
<51 – 60>
++++
<Action No> #
Both LEDs flash once
Exit program mode by
pressing
++
++++
++
Example
52
++++
1 #
Code 2: Action No.=1
(Operate lock always)
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Programming the Lock Duration (Function 95)
This is the duration the lock release will operate for when triggered by an access
code or by the ‘EXIT’ input. It is programmable in the range 1-99 seconds.
Procedure
Enter the current Security
key (default 1212).
Type :
95
++++
<1-99> #
Both LEDs flash once
Exit program mode by
pressing
++
++++
++
Factory Setting = 3 seconds
Example
95
++++
7 #
(7 seconds)
95
++++
12 #
(12 seconds)
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Programming a Lock Delay Time (Function 96)
This function causes a delay (0-99 seconds) to be introduced between the
triggering of the lock release and its operation. Typically, this facility is used
when the keypad is located some distance from the entrance.
Procedure
Enter the current Security
key (default 1212).
Type :
96
++++
<0-99> #
Both LEDs flash once
Exit program mode by
pressing
++
++++
++
Factory Setting = 0 seconds
Example
96
++++
3 #
(3 second delay)
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Programming the Factory Settings (Function 99)
In the event of any problems, always return to Factory settings.
No Function
Factory Setting
1 Program Code 1 1 2 3 4 5
2 Program Code 2 6 7 8 9 0
3 - 10 Program Codes 3 to 10 Disabled
51 Code 1 Action Number 1 (Operate always)
52 Code 2 Action Number 2 (Operate when Time closed)
53 - 60 Code 3 to 10 Action Numbers 0 (Disabled)
91 Security key 1 2 1 2
95 Lock Duration 3 seconds
96 Lock Delay 0 (Disabled)
Procedure
Enter the Security key.
Type : 99
++++
#
Both LEDs flash once
Exit program mode by
pressing
++
++++
++
If you have forgotten the
Security key see ‘Programming
the Factory Defaults Using the
Test Button’ page 32
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Summary of Program Functions
Table 1 - Programming Access Codes
No.
Function
Key sequence
Factory Setting
1 Program Code 1
1
++++
<1-8 digits> #
1 2 3 4 5
2 Program Code 2
2
++++
<1-8 digits> #
6 7 8 9 0
3 Program Code 3
3
++++
<1-8 digits> #
Disabled
4 Program Code 4
4
++++
<1-8 digits> #
Disabled
5 Program Code 5
5
++++
<1-8 digits> #
Disabled
6 Program Code 6
6
++++
<1-8 digits> #
Disabled
7 Program Code 7
7
++++
<1-8 digits> #
Disabled
8 Program Code 8
8
++++
<1-8 digits> #
Disabled
9 Program Code 9
9
++++
<1-8 digits> #
Disabled
10
Program Code 10
10
++++
<1-8 digits> #
Disabled
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Table 2 - Programming of Action Codes
No Functi
on Key Sequence
Factory Setting
51 Code 1 Action Number
51
++++
<0-3> #
1 (Operate always)
52 Code 2 Action Number
52
++++
<0-3> #
2 (Operate when
Time closed)
53 Code 3 Action Number
53
++++
<0-3> #
0 (Disabled)
54 Code 4 Action Number
54
++++
<0-3> #
0 (Disabled)
55 Code 5 Action Number
55
++++
<0-3> #
0 (Disabled)
56 Code 6 Action Number
56
++++
<0-3> #
0 (Disabled)
57 Code 7 Action Number
57
++++
<0-3> #
0 (Disabled)
58 Code 8 Action Number
58
++++
<0-3> #
0 (Disabled)
59 Code 9 Action Number
59
++++
<0-3> #
0 (Disabled)
60 Code 10 Action Number
60
++++
<0-3> #
0 (Disabled)
Table 3 - Summary of Action Numbers
Code
Action
0 No action ( code is disabled)
1 Lock operates
2 Lock operates only if Time contacts are closed (Zone 1)
3 Lock operates only if Time contacts are open (Zone 2)
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Table 4 - Programming of Other Functions
No Function
Key Sequence
Factory Setting
91 Security key
91
++++
<1-8 digits> #
1 2 12
95 Lock Duration
95
++++
<1-99 secs> #
3 seconds
96 Lock Delay
96
++++
<0-99 secs> #
0 (Disabled)
99 Program Factory Settings
99
++++
#
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Commissioning
After installation of the C106 unit, follow the two test procedures below; any
problems can be diagnosed from the troubleshooting section. Finally program
the required security and access codes (page 16).
Testing the Lock Release Outputs
Ensure that the lock release is connected to the correct output (as shown in the
Wiring diagram on page 9).
Press and hold the C106 Keypad TEST button:
•
Both of the Lock Outputs
(Fail-Safe and
Fail-Secure) and both
red and green LEDs will
illuminate.
• After 5 seconds the LEDs
will start to alternate and
the lock output will stop
operating; you should
release the test button at
this stage to avoid
programming the factory
settings (see page 32).
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Testing the controller with factory settings
Before proceeding with this test ensure that the lock release is working correctly
by following the tests on page 28.
Program to factory settings by following the instructions on page 24 or 32.
Type in code 1 (1 2 3 4 5) - this should operate the lock release for 3
seconds.
If a time clock is present on the system, manually switch it to OFF and
type code 2 (6 7 8 9 0), nothing should happen. Now manually switch the time
clock to ON and retype code 2 (6 7 8 9 0) - the lock release should operate for 3
seconds.
Reprogram code 1 to another value by following the instructions under
the heading ‘Programming a new access code’ (page 17); check that the new
code operates the lock release and that the old one does not.
If everything is functioning correctly, reprogram the security key (factory
set to 1212), to maintain security.
Reprogram access codes, action codes and other parameters as
required (pages 16 to 24).
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Troubleshooting
Use the table below to determine the most probable cause of a fault condition.
Symptom
Possible Cause/Remedy
When power applied nothing
happens (LEDs do not flash)
Power Supply is overloaded. Remove
externally connected components until
the fault disappears.
Polarity not correct. Measure the
voltage at the C106 (+ , -)
Check Power Supply Fuses. Always
replace with fuses of the correct type
and rating.
Lock release operates in
reverse
Incorrect output has been used;
Transpose connections between
Fail-safe and Fail-secure outputs.
Red and Green LEDs flash
together when attempting to
operate lock-release.
Fail-secure Lock release output is
short-circuited or of an incorrect rating;
temporarily disconnect the lock release
and retry (Green LED on for 3
seconds), test lock release (page 28)
The lock release fails to
operate when the Test button
is pressed
Check the lock release and its wiring by
moving the lock connections to +
C, -H, (forcing the lock)
Measure the voltage on the FAIL SECR
terminals; this should be the same as
the power supply (13.8V) while the test
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Symptom
Possible Cause/Remedy
button is pressed.
Lock release does not operate
when Exit Button is pressed.
Test by applying a short-circuit directly
to the ‘EXIT’ terminals; Check
connections to Exit button.
Lock operates from the test
button but does not operate
when the code is entered.
Check C106 Keypad is correctly
programmed; Restore to Factory
Settings (page 24, 32);
Time Clock in wrong state; reprogram
action code, manually switch the time
clock.
Lock release is permanently
active
‘EXIT’ terminals are short-circuited;
temporarily remove connections to
‘EXIT’ and re-test unit. Check any exit
button connected to the EXIT terminals
is ‘push to make’ and not the opposite
Can’t change any of the
settings. Green LED is on
‘EXIT’ terminals are short-circuited;
temporarily remove connections to
‘EXIT’ and re-test unit. Check any exit
button connected to the EXIT terminals
is ‘push to make’ and not the opposite
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Programming the Factory Settings with the Test Button
In the event of any problems, always return to Factory Settings. If the security
key has been forgotten, the test button can be used to restore factory settings.
In the case of a fault disconnect the lock release, before following this
procedure.
This operation will restore all codes, times and functions to the factory settings
(see Table 1 page 25 for the complete list).
This facility is useful for fault diagnosis. It makes use of the Test Button on the
C106 Keypad. It is always advisable to return to this condition whenever the
unit appears to malfunction during installation or following an unsuccessful
programming session.
To program Factory Settings
Press and hold the TEST
button.
Observe the red and green
LEDs come on (5 seconds)
Observe the red and green
LEDs alternating (3
seconds)
Finally the red and green LEDs will flash together for 1 seconds
and extinguish. The Factory Settings are now restored; release
the TEST button.
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Specification for the C106 Controller
Lock
Output Voltage: Same as Input Voltage
Load (maximum): 0.5A (load inductive or resistive)
Note : Inductive loads such as Maglocks must have suitable transient voltage
suppression fitted, e.g. a diode or MOV
Power (C + & H -)
Input Voltage: 12V to 14V
Current (maximum): 60mA
Dimensions
C106 Keypad: 90mm x 62mm x 33mm
Panel Cut-out: 87.75mm x 59.7mm
Panel Thickness 2mm or 3mm
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CS106/BL106 Combined Door Entry and Coded Access
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CS106 / BL106 Combined Series
Combined Door Entry and Coded Access Keypad
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General Description
The CS106 / BL106 series systems are combined Door Entry Telephone and
Coded Access Systems. The entrance panel incorporates a number of push
buttons for each telephone, a speaker grill and an integral C106 keypad.
CS106 Complete Systems
The CS106-N systems include all of the components necessary for a
single-door Coded Access and Door Entry Telephone System:-
1 C106 Coded Access Keypad.
1 CP106-N Anodised Aluminium Entrance Panel with integral keypad and
surface mounting back-box and including a model 61 speech unit.
N
801 Door Entry Telephones
1 203 Surface fitting, Fail secure, Lock Release.
1 340C Power Supply Unit
BL106 Complete Systems
The BL106-N systems use the Bellini style Aluminium Entrance Panel with
integral C106 keypad and are surface fitting only and include the model 61
speech unit. 801 Door entry telephones and a 340C power supply are also
included. No lock release is included.
N
- specifies the number of push-buttons/telephones (e.g. CS106-3: 3 phone
system)
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Installation of the Door Entry Phone System
From an electrical point of view, the combined systems may be regarded as
separate door entry and coded access systems with the exception of a common
lock release. The coded access system and its installation are described in
detail in the preceding half of this manual. The wiring diagrams on pages 44
and 45 show the wiring connections for the Door Entry Telephone System,
including the simple connections which interface with the C106 Coded Access
Controller.
The Model 801 Door Entry Telephone
This is designed to be wall mounted in a convenient indoor location.
The Entrance Panel
It should be mounted on an outside wall near the front door, and in a sheltered
location. There is an option for CS106 systems to have a flush entrance panel.
Extension Phones
Each apartment can have up to 3 extension phones (4 phones in total).
Tradesman button (optional)
This is used in conjunction with a time-clock (e.g. TS2000-BST) to allow
tradesmen access during restricted hours. The time-clock may be 240V AC or
12V DC operated, but must have a voltage-free isolated contact.
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Cable Planning
Cable Requirements
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For optimum clarity of speech it is strongly recommended that this system is
installed using twisted-pair telephone cable (e.g. type CW1308). Use one of the
pairs for the R & O connection between the speech unit and the telephone.
Connections No. of cores
Core
diameter
Cable
length
Phone 4 + 1 per phone 0.5mm 100M max.
Power Supply 2
0.5mm
1.0mm
up to 15M
up to 50M
Lock release (up to 500mA) 2
0.5mm
1.0mm
up to 5M
up to 25M
Time clock 4 0.5mm 100M max.
Exit 2 0.5mm 100M max.
Trades Button 2 0.5mm 100M max.
In most cases cable length restrictions should not present a problem, however
where longer lengths are required please refer to the manufacturer for advice.
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Installation Procedure
Connect all items by following the wiring diagram, on page 44 or 45. It is strongly
recommended that a single telephone be connected at a time and fully tested
before proceeding to the next.
Speech adjustment
The model 61 speech units have two pots at the rear for adjustment of speech
levels as follows:
Volume A: Speech level at the Entrance Panel
Volume B: Speech level at the Telephone
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Troubleshooting
Use the table below to determine the most probable cause of a fault condition.
Refer also to page 28 for problems with the coded access system (C106
Keypad).
Telephone Problems
Symptom
Possible Cause/Remedy
Low Speech Volume
Volume adjustment required on
speech unit.
Speech unit is not tight against the
panel grill.
Panel grill is blocked
More than one telephone is off the
hook.
Speech unit supply voltage is low.
Check 10V - 15V across ‘C’ and ‘H’.
CS106/BL106 Combined Door Entry and Coded Access
42
Symptom
Possible Cause/Remedy
Constant tone/feedback
when in use.
Volume adjustment required on the
Speech Unit.
Speech Unit is not tight against the
panel grill.
‘O’ connection between Speech unit
and telephone is open circuit.
Entrance panel and telephone are
too close together.
The entrance panel is surrounded by
reflecting walls.
Panel grill is blocked.
No speech when the phone
is buzzed
Wiring fault on the speech signal
connections ‘R’ or ‘T’: ‘R’ carries the
phone microphone signal to the
speech unit; ‘T’ carries the Speech
unit microphone to the phone.
CS106/BL106 Combined Door Entry and Coded Access
43
Miscellaneous Problems
Symptom Possible Cause/Remedy
Telephone will not buzz.
Faulty 'O' or 'I' line between power
supply and phone. Check 10.5V -
15V across ‘I’ and ‘O’ when called.
Telephone ‘DOOR’ button
does not operate release;
C106 test button does
operate the lock
Missing connection to C106 Keypad
Exit + terminal.
Fault on 'Z' or 'O' line.
Trades, Exit button or Fire
Switch inoperative.
Time-Clock is not running or
incorrectly set (Trades button only).
Check all connections to the EXIT
terminal on the C106.
CS106/BL106 Combined Door Entry and Coded Access
44
CS106-1/BL106-1 Wiring (1 Way Combined)
CS106/BL106 Combined Door Entry and Coded Access
45
CS106-N/BL106-N Wiring (Multi-way Combined)
CS106/BL106 Combined Door Entry and Coded Access
46
Wiring Diagram - 2 Door System with the C106
Bell System (Telephones) Ltd.
Presley Way,
Crown Hill,
Milton Keynes
MK8 0ET.
Tel: 01908 261106 (Sales and Technical Support)
FAX: 01908 261116
OR
Local rate numbers
Tel: 0845 121 4008 (Sales and Technical Support)
FAX: 0845 121 4009
E-mail: sales@bellsystem.co.uk
technical@bellsystem.co.uk
Website: www.bellsystem.co.uk
Standards
This product complies with Electromagnetic Compatibility directive
2004/108/EC and Low Voltage directive 2006/95/EC.
Emissions: Generic BSEN 61000-6-3
Immunity: Generic BSEN 61000-6-1
Low Voltage: Generic BSEN 60950
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