LTC 8016/90 Instruction Manual Troubleshooting

10.0 TROUBLESHOOTING

Problem

Possible Cause and Solution

 

 

Complete lack

a) Three to five seconds after being powered up,

of operation

if no LEDs (on front and rear panel) indicate

after

activity, verify that the AC power cord is

installation

connected, and the AC power source is

 

 

energized.

 

b) If some of the LEDs are active, refer to the

 

LED INDICATORS Section below for

 

additional information.

 

c) The Interface Unit has been inadvertently set

 

to Group ID 900 for more than 5 seconds.

 

Set the Group ID to the correct setting and

 

power off/on the Interface Unit to return it to

 

its normal operating mode.

No PTZ or

a) If the Channel LED does not indicate Bilinx

menu access

communication, verify that the camera is

is possible on

designed to support Bilinx communication.

Bilinx-enabled

Refer to the COMPATIBILITY

camera

 

INFORMATION Section. The Video Input

 

Channel LEDs can indicate whether the

 

LTC 8016 is using Bilinx communication. Refer

 

to the LED INDICATORS Section below for

 

additional information.

 

b) Verify that the Interface Unit is connected to

 

the correct block of system video inputs

 

based on the Group ID switch settings.

 

c) The camera is located at a distance that

 

exceeds Bilinx communication limits. Refer

 

to the CAMERA VIDEO CONNECTIONS

 

Section for maximum distance details.

 

d) Up to 20 seconds may be required when a

 

Bilinx-enabled camera is first connected to

 

the Interface Unit before control is possible.

 

No response before this time has elapsed

 

should be considered normal.

 

 

No video on

a) The Video interface cable from Interface Unit

control unit

is not connected to the correct input of the

 

control unit.

 

b) The Interface Unit has not been connected

 

to an AC power source.

Erratic or no

Verify that each Interface Unit is set to a unique

control of

Group ID number.

cameras when

 

multiple

 

Interface Units

 

are in use

 

Smeared or

Verify that a camera signal has not been

double video

connected to the looping output of a video

images are

channel on the control unit that’s already in use

present on

by the Interface Unit.

controller

 

output

 

 

 

11.0LED INDICATORS

The Allegiant Bilinx Data Interface Unit incorporates several LEDs that indicate various status conditions. These LEDs are helpful when troubleshooting a problem.

 

 

 

 

 

EN 22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED

 

 

Description

 

 

 

Behavior

 

 

Condition

 

 

 

ON steady

 

 

• The Interface Unit is operating normally, and has

 

 

 

received the Allegiant’s logical-to-physical camera

 

 

 

table

 

 

 

FLASHING at

 

• The Interface Unit is operating normally, but has

50% duty cycle

 

not received the Allegiant’s logical-to-physical

 

 

 

camera table

 

 

 

FLASHING

 

• The Interface Unit is operating normally, and the

randomly

 

 

LED is following the action of biphase data being

 

 

 

received

 

 

 

Video Input

 

The Channel LEDs indicate the status of the video

Channel Indicators

 

input signal. A Channel LED behaves according to

 

 

 

the following table:

Behavior

 

 

Condition

 

 

 

ON with

 

 

• Indicates connection to a Bilinx-enabled camera

occasional flash

 

 

 

 

 

 

ON with

 

 

• Indicates control of a Bilinx-enabled camera

rapid flashing

 

 

 

 

 

 

OFF with

 

 

• Indicates control of a Bilinx-enabled camera,

rapid flashing

 

but the video level is below acceptable limits,

 

 

 

indicating a Dark Alarm condition

ON

 

 

• Indication when connected to a non-Bilinx-enabled

 

 

 

camera having an acceptable video level

OFF with flashing

 

• No video is present from a non-Bilinx-enabled

at 50% duty cycle

 

camera, indicating a Dark Alarm condition

 

 

 

 

LINK LED

 

 

When illuminated, indicates that a valid physical

 

 

 

connection exists between the Interface Unit and

 

 

 

the RS-232 port of a controller unit.

DATA LED

 

 

Flashes to indicate that the Interface Unit is

 

 

 

receiving valid data from a controller unit during

 

 

 

serial communications.

CODE LED

 

Flashes to indicate that the Interface Unit is

 

 

 

receiving biphase data from a controller unit.

Ethernet port LINK

 

Not used in current implementation (reserved

& ACT LEDs

 

for future use).

 

 

 

12.0

REPLACEMENT PARTS

 

 

 

 

 

 

Description

 

 

Part Number

 

16-Channel Video Ribbon Cable

LTC 8809/00

 

 

 

 

 

3 m (10 ft) Data Interface Cable

303-2173-504

 

 

 

 

 

 

Replacement AC Line Cord, 120 VAC

Source from local

 

 

 

 

 

supplier

 

 

 

 

Replacement AC Line Cord,

Source from local

 

220-240 VAC

 

 

supplier

 

6-Position Terminal Block with

303-4118-506

 

 

100Terminating Resistor

 

 

 

 

 

 

 

 

 

 

Offset Screwdriver

 

 

303-4411-001

 

 

13.0

COMMON ACCESSORY PARTS

Description

 

 

Part Number

 

1 m (3 ft) 16-Channel Video

LTC 8508/01

Ribbon-to-BNC Cable

 

 

 

 

 

 

 

 

32-Channel Video Interconnect Panel

LTC 8807/00

 

Industry Standard Null Modem RS-232

S1385

Cable

 

 

 

 

 

 

 

Bosch Security Systems 18 August 2005

Page 22
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Bosch Appliances LTC 8016/90 instruction manual Troubleshooting, LED Indicators, Replacement Parts, Common Accessory Parts

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