Bosch Security Systems | 13 February 2004
LTC 5121, LTC 5141 | Instruction Manual | Unpacking
EN
|
7
1UNPACKING
Unpack carefully. This is electronic equipment and
should be handled carefully.
Check for the following items:
•Verify the model no. of unit.
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.
2SERVICE
If the unit ever needs repair service, the customer
should contact the nearest Bosch Security Systems Inc.
Service Center for authorization to return and shipping
instructions.
Service Centers
USA
Phone: 800-366-2283 or 717-735-6638
fax: 800-366-1329 or 717-735-6639
CCTV Spare Parts
Phone: 800-894-5215 or 408-956-3853 or 3854
fax: 408-957-3198
Canada
Phone: 514-738-2434
Europe, Middle East & Asia Pacific Region
Phone: 32-1-440-0711
For additional information, see
www
.boschsecuritysystems.com.
3DESCRIPTION
The LTC 5121/60, LTC 5121/50, LTC 5141/60 and
LTC 5141/50 are automatic sequential video switchers.
The LTC 5121/60 and LTC 5121/50 have 2-camera
inputs and 1-monitor output; the LTC 5141/60 and
LTC 5141/50 have 4-camera inputs and 1-monitor
output.
4INSTALLATION
4.1 Power
LTC 5121/60 and LTC 5141/60 models operate
from 120VAC, 50/60Hz power. LTC 5121/50 and
LTC 5141/50 models operate from 220-240VAC,
50/60Hz power. The model number and operating
voltage are shown on the label located on the bottom
of the unit. These units are supplied with ground
power cords; grounding should not be defeated.
4.2 Mounting
These switchers are supplied as desk-top units. For rack
mounting, the LTC 9101/00 rack-mount kit is available.
4.3 Video Inputs
The LTC 5121/60 and LTC 5121/50 both have two
video inputs labeled CAM 1 and CAM 2. The
LTC 5141/60 and LTC 5141/50 both have four video
inputs labeled CAM 1, CAM 2, CAM 3, and CAM 4.
The LTC 5141/60 and LTC 5141/50 incorporate an
auto-skip feature on CAM 3 and CAM 4. If video is
not supplied to video input 4, the unit will skip over
CAM 4 when sequencing (run mode). If video is not
supplied to video input 3, the unit will skip over
CAM 3 and CAM 4 when sequencing. When using
only 3 video inputs, use inputs CAM 1, CAM 2, and
CAM 3. When using only 2 video inputs, use inputs
CAM 1 and CAM 2.
All video inputs are 75Ω terminated.
4.4 Monitor Output
The monitor output is designed to look into a 75Ω
load. Therefore, if you loop the monitor output line
through monitors or other equipment, be sure their
terminations are set to Hi-Z. Only the last unit on the
line should have its termination set to 75Ω.
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