Bosch Appliances Home Security System LTC 8714 User Manual

LTC 8714, LTC 8715 Series  
Instruction Manual  
EN Keyboard Port  
Expanders  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Safety Precautions  
EN 3  
Safety Precautions  
For Indoor Product  
1. Water and Moisture - Do not use this unit near  
water - for example, in a wet basement, in an  
unprotected outdoor installation or in any area  
classified as a wet location.  
CAUTION: TO REDUCE THE RISK OF  
2. Object and Liquid Entry - Never push objects of  
any kind into this unit through openings, as they  
might touch dangerous voltage points or create  
short circuits, resulting in a fire or electrical  
shock. Never spill liquid of any kind on the unit.  
3. Power Cord and Power Cord Protection - For  
units intended to operate with 230VAC, 50Hz,  
the input and output power cord must comply  
with the latest versions of IEC Publication 227 or  
IEC Publication 245.  
ELECTRIC SHOCK, DO NOT REMOVE COVER  
(OR BACK). NO USER SERVICEABLE PARTS  
INSIDE. REFER SERVICING TO QUALIFIED  
SERVICE PERSONNEL.  
This symbol indicates the presence of  
uninsulated “dangerous voltage” within the  
product’s enclosure that can cause an electric  
shock.  
This symbol indicates the presence of  
important operating and maintenance  
(servicing) instructions in the literature  
accompanying the appliance.  
Power supply cords should be routed so they are  
not likely to be walked on or pinched. Pay  
particular attention to location of cords and plugs,  
convenience receptacles, and the point of exit  
from the appliance.  
Installation should be performed by qualified  
service personnel only in accordance with the  
National Electrical Code or applicable local  
codes.  
4. Overloading - Do not overload outlets and  
extension cords; this can result in a risk of fire or  
electrical shock.  
Power Disconnect. Units with or without  
ON-OFF switches have power supplied to the  
unit whenever the power cord is inserted into the  
power source; however, the unit is operational  
only when the ON-OFF switch is in the ON  
position. The power cord is the main power  
disconnect for all units.  
For Outdoor Product  
Power Lines - An outdoor system should not be  
located in the vicinity of overhead power lines,  
electric lights or power circuits, or where it may  
contact such power lines or circuits. When  
installing an outdoor system, extreme care should  
be taken to keep from touching power lines or  
circuits, as this contact might be fatal. U.S.A.  
models only - refer to the National Electrical  
Code Article 820 regarding installation of CATV  
systems.  
For Rack-mount Product  
1. Ventilation - Do not place this equipment in a  
built-in installation or rack, unless proper  
ventilation is provided, or the manufacturer's  
instructions were followed. The equipment must  
not exceed its maximum operating temperature  
requirements.  
2. Mechanical Loading - When rack-mounting the  
equipment, ensure that a hazardous condition is  
not created by uneven mechanical loading.  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | FCC & ICES Information  
EN 4  
FCC & ICES INFORMATION  
(U.S.A. and Canadian Models Only)  
This device complies with part 15 of the FCC Rules. Operation is  
subject to the following two conditions:  
(1)  
(2)  
This device may not cause harmful interference, and  
This device must accept any interference received,  
including interference that may cause undesired  
operation.  
NOTE: This equipment has been tested and found to comply  
with the limits for a Class B digital device, pursuant to Part 15 of  
the FCC Rules and ICES-003 of Industry Canada. These limits  
are designed to provide reasonable protection against harmful  
interference when the equipment is operated in a residential  
installation. This equipment generates, uses and can radiate radio  
frequency energy, and if not installed and used in accordance  
with the instructions, may cause harmful interference to radio  
communications. However, there is no guarantee that interference  
will not occur in a particular installation. If this equipment does  
cause harmful interference to radio or television reception, which  
can be determined by turning the equipment off and on, the user  
is encouraged to try to correct the interference by one or  
more of the following measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the equipment and receiver.  
• Connect the equipment into an outlet on a circuit different  
from that to which the receiver is connected.  
• Consult the dealer, or an experienced radio/TV technician for  
help.  
Intentional or unintentional changes or modifications, not  
expressly approved by the party responsible for compliance, shall  
not be made. Any such changes or modifications could void the  
user’s authority to operate the equipment.The user may find the  
following booklet, prepared by the Federal Communications  
Commission, helpful: How to Identify and Resolve Radio-TV  
Interference Problems. This booklet is available from the U.S.  
Government Printing Office, Washington, DC 20402, Stock No.  
004-000-00345-4.  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Table of Contents  
EN 5  
Table of Contents  
Important Safeguards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
FCC & ICES Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
1
UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
DIP Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10  
ILLLUSTRATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11  
2
3
4
4.1  
4.2  
4.3  
4.4  
4.5  
5
6
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Unpacking  
EN 6  
1
UNPACKING  
3
DESCRIPTION  
Unpack carefully. This is electronic equipment and  
should be handled carefully.  
This publication provides instructions for installing the  
LTC 8714 Series and LTC 8715 Series Keyboard Port  
Expanders in an Allegiant® Series matrix  
switcher/controller system.  
Check for the following items:  
Verify the model number of the unit.  
A single LTC 8714 Series unit can be used to interface  
up to eight Allegiant Series keyboards with an  
Allegiant system. A single LTC 8715 Series unit is used  
to interface up to four (4) LTC 8714 Series expanders in  
a system. Multiple LTC 8715 Series expanders can be  
used along with multiple LTC 8714 Series expanders to  
provide up to 64 keyboards in a system. The actual  
number of units that can be used in a system depends  
upon the model of the Allegiant system. The table  
below lists the various Allegiant models and the  
maximum number of keyboard expander units and  
Allegiant Series keyboards that can be connected in a  
system.  
One (1) cable assembly with 9-pin D-sub  
connectors.  
If an item appears to have been damaged in shipment,  
replace it properly in its carton and notify the shipper.  
If any items are missing, notify your Bosch Security  
Systems, Inc. Sales Representative or Customer  
Service.  
The shipping carton is the safest container in which the  
unit may be transported. Save it for possible future use.  
2
SERVICE  
If the unit needs servicing, contact the nearest Bosch  
Security Systems Service Center for authorization to  
return and shipping instructions.  
Allegiant System Capacities  
Allegiant  
Series  
Model  
Max Number  
of Keyboards of LTC 8714  
in System  
Max Number  
Max Number  
of LTC 8715  
Supported  
Service Centers  
USA  
Supported  
LTC 8600  
LTC 8800  
LTC 8900  
16  
32  
64  
1
3
7
0
1
3
Phone:  
Fax:  
800-366-2283 or 717-735-6638  
800-366-1329 or 717-735-6639  
CCTV Spare Parts  
Phone:  
Fax:  
E-mail:  
800-894-5215 or 408-956-3853 or 3854  
408-957-3198  
NOTE: The above table assumes 8 system keyboards  
are connected directly into the Allegiant CPU bay  
keyboard ports.  
Canada  
Phone:  
514-738-2434  
For each Allegiant Series keyboard used in an  
"expanded configuration," one LTC 8557 Series  
Keyboard Extension Kit (not included) is required.  
Europe, Middle East & Asia Pacific Region  
Phone: 32-1-440-0711  
NOTE: Grounded wrist straps must be worn and  
proper ESD safety precautions observed when  
handling the electrostatic-sensitive printed circuit  
boards.  
Each keyboard port expander is supplied with a single  
interface cable. This cable is used to connect the port  
expander to either the Allegiant CPU bay or to  
another port expander. The LTC 8557 Series Kit is  
then used to connect the expanded keyboards to the  
LTC 8714 Series Port Expander(s). See Typical  
WARNING: Electrostatic-sensitive  
Application Diagrams found at the end of this manual.  
device. Use proper CMOS/  
MOSFET handling precautions to  
ATTENTION  
OBSERVE PRECAUTIONS  
FOR HANDLING  
ELECTROSTATIC  
SENSITIVE  
DEVICES  
avoid electrostatic discharge.  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Installation  
EN 7  
4.4 DIP Switch Settings  
4
INSTALLATION  
The LTC 8714 Series Keyboard Port Expanders and  
the LTC 8715 Expander communicate with the  
Allegiant Series main bay and the Allegiant Series  
keyboards via RS-485 communications. The LTC 8714  
Series Keyboard Port Expanders and the LTC 8715  
Series Expander contain internal DIP switches which  
can be used to set the communication parameters.  
The cover must be removed if the DIP switches need  
to be changed from their factory default settings. See  
FIGURE 1. The following table summarizes the DIP  
switch settings and their associated features. Note that  
after changing any of the DIP switch settings, the AC  
power must be turned off and on before the changes  
can take effect.  
4.1 Power  
Model  
Rated  
Voltage  
Voltage  
Range  
105 to 130  
Nominal  
Power2  
10 W  
No.1  
LTC 8714/60  
120 VAC,  
50/60 Hz  
220-240 VAC,  
50/60 Hz  
120 VAC,  
50/60 Hz  
220-240 VAC,  
50/60 Hz  
LTC 8714/50  
LTC 8715/60  
LTC 8715/50  
198 to 264  
105 to 130  
198 to 264  
10 W  
10 W  
10 W  
1The model number and operating voltage are shown on the  
bottom of the unit. These units are supplied with grounded  
power cords; grounding must not be defeated.  
2At rated voltage.  
4.2 Mounting  
These units are supplied as desk top units. For rack  
mounting, the LTC 9101/00 rack-mount kit is available.  
These units are half-rack units.  
4.3 Cover Removal  
WARNING: Removal of the cover should  
only be performed by qualified service  
personnel–not user serviceable. The unit  
should always be unplugged, before  
removing the cover and remain unplugged  
while the cover is removed.  
The cover is fastened to the chassis by two screws on  
the bottom near the rear of the unit. Disassembly is as  
shown in FIGURE 1.  
Slide Cover Back  
Figure 2 Location of DIP Switches  
Remove Screws from  
Bottom Rear Corners  
(2) Places  
Figure 1 Top Cover Removal  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Installation  
EN 8  
S402 DIP Switches 6 to 8: These switches determine  
the data polling format that will be used to  
4.4.1 DIP Switch Settings - LTC 8714 Series  
S401 DIP Switch: Verify that switches 1, 2, and 3  
are ON and all others are OFF.  
communicate with the keyboards. The 4 Poll selection  
would typically be used only in LTC 8600 Series  
systems using fixed speed receiver/driver equipped  
cameras. The 8 Poll selection would typically be used  
in LTC 8800 and LTC 8900 systems with fixed speed  
receiver/drivers. The 6 Poll selection should be used in  
any system where Allegiant Series keyboards are being  
used to control variable speed AutoDome® Series  
cameras.  
S402 DIP Switches 1 to 5: Baud rate and poll type  
settings must match those on the Allegiant Series  
keyboards. Group number should be selected to agree  
with capacity and configuration settings associated with  
specific Allegiant series system being used.  
Switch Number  
Function  
1
Allegiant Keyboard  
Baud Rate  
Switch Number  
6
OFF  
ON  
9600 (Factory Default  
Setting)  
7
Poll Type  
OFF  
OFF  
ON  
OFF  
ON  
OFF  
4 POLL  
19200  
8 POLL  
2
3
4
5
Group Number  
0 (Kbd 18)  
6 POLL  
OFF OFF  
OFF OFF  
OFF OFF  
OFF ON  
(Factory Default Setting)  
Reserved  
1 (Kbd 9–16)  
(Factory Default  
Setting)  
ON  
ON  
8
Reserved  
OFF OFF  
OFF OFF  
OFF ON  
OFF ON  
OFF ON  
OFF ON  
ON  
ON  
OFF  
ON  
2 (Kbd 17–24)  
3 (Kbd 25–32)  
4 (Kbd 3340)  
5 (Kbd 4148)  
6 (Kbd 49–56)  
7 (Kbd 5764)  
8 (Kbd 65–72)  
9 (Kbd 7380)  
10 (Kbd 8188)  
11 (Kbd 89–96)  
12 (Kbd 97–104)  
13 (Kbd 105–112)  
14 (Kbd 113120)  
Reserved  
4.4.2 DIP Switch Settings - LTC 8715 Series  
S401 DIP Switch: Verify that switches 1, 2, and 3 are  
ON and all others are OFF.  
OFF OFF  
OFF ON  
ON  
ON  
OFF  
ON  
S402 DIP Switch: Verify that switches 1, 2, and 3 are  
ON and all others are OFF if the LTC 8715 will have  
LTC 8714 units connected directly to it. Verify that  
switches 1, 2, 3, and 5 are ON and all others are OFF  
if the LTC 8715 will have other LTC 8715 units  
connected directly to it (see FIGURE 11).  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
OFF OFF  
OFF ON  
ON  
ON  
OFF  
ON  
OFF OFF  
OFF ON  
ON  
ON  
ON  
ON  
OFF  
ON  
ON  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Installation  
EN 9  
6. Similarly, repeat Step 5 for each Allegiant Series  
keyboard.  
4.5 Connections  
4.5.1 Expanding up to Eight Keyboards Using the  
LTC 8714 Series Keyboard Port Expander  
1. Make sure power is turned OFF on the  
Allegiant Series main bay and the LTC 8714  
Series Keyboard Port Expander. Make sure that  
the external power supply used to power the  
Allegiant Series keyboards is not connected to  
a wall outlet.  
7. Using the cable supplied with the LTC 8714  
Series Keyboard Port Expander, connect one  
end of the cable to the connector marked  
SYSTEM on the LTC 8714 Series unit. Connect  
the other end of the cable to the connector  
marked COMM2 on the Allegiant Series system  
(see FIGURE 9).  
4.5.2 Expanding Beyond Eight Keyboards Using  
the LTC 8714 Series Keyboard Port Expanders  
with the LTC 8715 Series Expander  
In order to expand beyond eight keyboards, the use  
of an LTC 8715 Series unit in conjunction with an  
LTC 8714 Series unit is required. Using multiple  
LTC 8715 units, the remote keyboards can be  
expanded to 120. Note that the maximum number  
of keyboards may be limited by the Allegiant system.  
See FIGURE 10.  
2. For each keyboard used with the LTC 8714  
Series, one LTC 8557 kit is required. The  
LTC 8557 kit consists of two junction boxes,  
a power supply, a barrel plug cord, and a  
3 meter (10 ft) keyboard cable.  
3. Connect the 3m (10ft) cable supplied with the  
keyboard between the keyboard and the remote  
junction box.  
4. Up to 1.5km (5000ft) of customer supplied  
0.5mm2 (24AWG) shielded twisted pair (Belden  
9841 or equivalent) may be run between the  
two junction boxes. Connection to the junction  
boxes are made to three of the four screw  
terminals as follows. Note reversal to data  
connections.  
1. Follow Steps 1 through 7 in the previous section  
for connecting up to eight keyboards using the  
LTC 8714 Series unit.  
2. Select the appropriate group number on the  
LTC 8714 Series unit via dip switch S402,  
switches 2 through 5. The group number must  
be unique and must not conflict with other  
LTC 8714 units or the local keyboards (i.e.,  
keyboards connected directly to the ports  
located on the main CPU bay) in the Allegiant  
system.  
Terminal  
Number  
Remote  
Keyboard  
Junction Box  
Local  
Junction Box  
1
2
3
4
Spare  
+
Spare  
+
3. Using the cables supplied with the LTC 8714,  
connect the SYSTEM port on the LTC 8714 to  
any one of the four PORTS on the LTC 8715  
unit. Repeat steps 1 and 2 for all LTC 8714  
Series units.  
Shield  
Shield  
5. Connect the 3m (10ft) cable supplied  
with the LTC 8557 kit between the junction  
box and the PORT connector on the LTC 8714  
Keyboard port expander. Connect the power  
supply to the junction box at the remote  
keyboard site. Verify that the junction box  
power LED indicator lights. Also verify that the  
keyboard LEDs are flashing.  
4. Using the cable supplied with the LTC 8715 unit,  
connect the SYSTEM port on the LTC 8715  
Series unit to the COMM2 port on the Allegiant  
Series main bay. In this configuration, up to  
32 remote keyboards can be connected using  
four LTC 8714 units and one LTC 8715 unit. To  
expand beyond 32 remote keyboards, another  
tier of LTC 8715 units may be used (see  
FIGURE 11).  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Operation  
EN 10  
5
OPERATION  
1. Turn on the Allegiant Series main bay, the  
LTC 8714 Series Keyboard Port Expander,  
and the LTC 8715 Series Expander. The  
power LEDs on the LTC 8714 Series unit  
and the LTC 8715 Series unit should be on.  
2. Note that the system Tx LED on the front panel  
of the LTC 8714 Series Keyboard Port Expander  
will flash whenever data is being sent to the  
Allegiant system (or to an LTC 8715 Series  
Expander) from the LTC 8714 Series Keyboard  
Port Expander. The system Rx LED will flash  
whenever data is being received from the  
Allegiant system (or from an LTC 8715 Series  
Expander). Data is also occasionally sent from  
the Allegiant system to reflect applicable system  
changes and on an occasional basis to maintain  
current system status.  
The port LEDs on the LTC 8714 Series  
Keyboard Port Expander will indicate active  
data communication to a connected keyboard.  
LEDs on the front panel of an LTC 8715 Series  
Expander will indicate communication between  
the Allegiant system and the associated  
LTC 8714 Series Keyboard Port Expanders  
that are connected to it.  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Illustrations  
EN 11  
6
ILLUSTRATIONS  
POWER  
Rx  
PORT 1 PORT 2 PORT 3 PORT 4 PORT 5 PORT 6 PORT 7  
PORT 8  
Tx  
ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE  
ACTIVE  
SYSTEM  
SYSTEM  
PORT 1  
PORT 2  
PORT 3  
PORT 4  
PORT 5  
PORT 6  
PORT 7  
PORT 8  
Figure 3 LTC 8714 Series - Front and Back Panels  
5
4
3
2
1
4
2
6
5
3
1
9
8
7
6
Figure 5 System Port - Female 9-pin  
D-sub Connector  
Figure 4 Keyboard Ports 1 through 8  
Pin  
1
Function  
Pin  
1
Function  
Ground  
Ground  
–Data  
Chassis Ground  
+Tx (Transmit)  
–Tx (Transmit)  
+Rx (Receive)  
–Rx (Receive)  
Ground  
2
2
3
3
4
4
+Data  
5
5
Ground  
Ground  
6
6
7
Ground  
8
Ground  
9
Ground  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Illustrations  
EN 12  
POWER  
Rx  
Rx  
Rx  
Rx  
Rx  
Tx  
Tx  
Tx  
Tx  
Tx  
KB-EXP1  
KB-EXP2  
KB-EXP3  
KB-EXP4  
SYSTEM  
SYSTEM  
PORT 4  
PORT 2  
PORT 3  
PORT 1  
Figure 6 LTC 8715 Series - Front and Back Panels  
5
4
3
2
1
5
4
3
2
1
9
8
7
6
9
8
7
6
Figure 8 System Port - Female 9-pin  
D-sub Connector  
Figure 7 Ports 1 through 4 - Female 9-pin  
D-sub Connector  
Pin  
1
Function  
Pin  
1
Function  
Chassis Ground  
+Tx (Transmit)  
–Tx (Transmit)  
+Rx (Receive)  
–Rx (Receive)  
Ground  
Chassis Ground  
+Tx (Transmit)  
–Tx (Transmit)  
+Rx (Receive)  
–Rx (Receive)  
Ground  
2
2
3
3
4
4
5
5
6
6
7
Ground  
7
Ground  
8
Ground  
8
Ground  
9
Ground  
9
Ground  
9-pin Male  
9-pin Male  
Expander  
System  
Main CPU  
Comm 2  
Connector  
Connector  
1
2
3
4
5
6
7
8
9
No Connection  
4
5
2
3
No Connection  
No Connection  
No Connection  
No Connection  
Expander-to-main CPU Bay Cable Pinouts  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Illustrations  
EN 13  
LTC 8600 Series or LTC 8800 Series Allegiant Main Bay (RearView)  
Comm 2 Port  
Cable Supplied  
with LTC 8714  
Series Keyboard  
Port Expanders  
LTC 8714 Series  
Keyboard Port  
Expanders (RearView)  
PORT 6  
SYSTEM  
PORT 1 PORT 2 PORT 3 PORT 4 PORT 5  
PORT 7  
PORT 8  
Cable Supplied with  
LTC 8557 Kit  
Keyboards 9-16  
LTC 8557  
Remote Keyboard  
Site Junction Box  
LTC 8557  
Local CPU  
Site Junction Box  
Cable Supplied  
with Keyboard  
User Supplied  
ShieldedTwisted Pair  
LTC 8557  
LTC 8557  
Remote Keyboard  
Site Junction Box  
Local CPU  
Site Junction Box  
Power Pack  
Cable Supplied  
with Keyboard  
User Supplied  
ShieldedTwisted Pair  
Power Pack  
Keyboard  
Keyboard  
Figure 9 Typical LTC 8714 Series Keyboard Port Expander Application  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Illustrations  
EN 14  
LTC 8800 Series Allegiant Main Bay (RearView)  
Keyboards 1–8  
Comm 2 Port  
Cable Supplied with  
LTC 8715 Series  
Expanders  
LTC 8715 Series  
Expanders (RearView)  
Cable Supplied  
with LTC 8714  
PORT 1  
PORT 3  
PORT 4  
SYSTEM  
PORT 2  
LTC 8714 Series Expanders (RearView)  
PORT 1 PORT 2  
PORT 5  
PORT 7 PORT 8  
SYSTEM  
PORT 1 PORT 2  
PORT 7 PORT 8  
SYSTEM  
PORT 3 PORT 4  
PORT 6  
PORT 3  
PORT 5 PORT 6  
PORT 4  
Keyboards  
9–16  
Keyboards  
25–32  
SYSTEM  
PORT 1 PORT 2  
PORT 5  
PORT 7 PORT 8  
PORT 3 PORT 4  
PORT 6  
Keyboards  
17–24  
Figure 10 Typical LTC 8714 Series Keyboard Port Expander & LTC 8715 Series Expander Application  
Bosch Security Systems | May 23, 2005  
 
|
LTC 8714 and 8715 Series | Instruction Manual | Illustrations  
EN 15  
LTC 8900 Series Allegiant CPU (Rear View)  
KEYBOARD  
1
2
3
4
5
6
7
8
Keyboards 18  
CONTROLLER  
COM1  
COM2  
CONSOLE  
BIPHASE  
ALARM  
LAN  
Comm 2 Port  
Cable supplied with  
LTC 8715 Series  
Expanders  
LTC 8715 Series  
Expanders (Rear View)  
PORT 1  
PORT 2  
PORT 3  
PORT 4  
SYSTEM  
PORT 1  
PORT 2  
PORT 3  
PORT 4  
SYSTEM  
PORT 1  
PORT 2  
PORT 3  
PORT 4  
SYSTEM  
Keyboards  
105–120  
Keyboards  
9–40  
PORT 1  
PORT 2  
PORT 3  
PORT 4  
SYSTEM  
PORT 1  
PORT 2  
PORT 3  
PORT 4  
SYSTEM  
LTC 8714 Seies  
Expanders (Rear View)  
Keyboards  
41–72  
Keyboards  
73–104  
*Dotted line indicates future LTC 8900 capacity  
Figure 11 Typical Installation for More than 32 Remote Keyboards  
Bosch Security Systems | May 23, 2005  
 
Americas  
Bosch Security Systems  
130 Perinton Parkway  
Fairport, New York, 14450, USA  
Phone: +1 (585) 223 4060  
+1 800 289 0096  
Europe, Middle East, Africa  
Bosch Security Systems B.V.  
P.O. Box 80002  
5600 JB Eindhoven, The Netherlands  
Phone: +31 (0) 40 27 83955  
Asia-Pacific  
Bosch Security Systems Pte Ltd  
38C Jalan Pemimpin  
Singapore 577180  
Phone: +65 6319 3450  
Fax:  
+31 (0) 40 27 86668  
Fax:  
+65 6319 3499  
© 2005 Bosch Security Systems GmbH  
F01U009394_01 05-21 | May 23, 2005 | Data subject to change without notice.  
 

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