background image

27

Warranty

LIMITED WARRANTY STATEMENT

Telecast Fiber Systems, Inc. (“Telecast”) expressly warrants to Buyer that the Products supplied shall be
free from defects in materials and workmanship for a period of 12 months following the date the Products
are delivered to Buyer (the “Warranty Period”). Telecast's liability under this limited warranty shall be limited,
at its option, to providing refund of purchase price for Products, or replacing or repairing Products shown to
be defective either in materials or workmanship. Buyer's sole and exclusive remedy for breach of warranty
shall be such refund, replacement or repair.
A claim of defect in materials or workmanship in any Product shall be allowed only when it is submitted in
writing  to  Telecast  Fiber  Systems,  Inc.  within  seven  days  after  discovery  of  the  defect,  and  in  any  event
within  the  Warranty  Period.  No  claim  shall  be  allowed in  respect  of  any  Product  which  has  been  altered,
neglected, damaged or stored in any manner which adversely affects it. In order to obtain service under the
terms  of  this  warranty, Distributor’s customer  or  Distributor must  notify  Telecast  of  the  defect  prior  to  the
expiration of the applicable warranty period and obtain a Return Authorization Number from Telecast. In no
event may products be returned to Telecast or to Distributor for warranty service without having obtained
from Telecast a Return Authorization Number.
This limited warranty applies only to new and unused Products delivered to Buyers located within the United
States of America, or to international Buyers if sold through an authorized Distributor organization, and shall
not  extend  to  any  equipment  not  manufactured  by  Telecast  Fiber  Systems,  Inc.,  even  though  such
equipment may be sold or operated with the Products. In addition, this limited warranty shall be void and of
no  further  force  or  effect  whatsoever  if  the  Product  is  repaired  or  modified  by  any  person  other  than  an
authorized representative of Telecast Fiber Systems, Inc. without the consent of Telecast Fiber Systems,
Inc. This warranty shall not apply to any defect, failure or damage caused by improper use or inadequate
maintenance and care. Nor shall this warranty apply to any damage caused in whole or in part by attempts
by  personnel  other  than  Telecast’s  personnel,  as  approved  in  advance  in  accordance  with  the  foregoing
provisions, to open, install, repair, or service the Product; nor to damage resulting from improper connection
with  incompatible  equipment;  nor  to  damage  to  a  unit  which  has  been  modified  by  personnel  other  than
Telecast personnel.
Products returned to Telecast for warranty service shall be shipped, freight prepaid to Telecast. Telecast will
return  the  repaired  product  or  ship  a  replacement,  freight  prepaid,  to  either  Distributor  or  Distributor’s
customer,  as  requested  by  Distributor’s  customer,  at  a  location  within  the  United  States  or,  at  Telecast’s
option, to Distributor’s location in the case of international sales.
This limited warranty shall also apply to Products that replace defective Products and Products that have
been  repaired  by  authorized  representatives  of  Telecast  Fiber  Systems,  Inc.,  but  only  for  the  original
Warranty  Period.  The  Warranty  Period  shall  not  be  extended  by  reason  of  defect,  or  any  period  of  time
during which the Product is not available to Buyer because of defects or repairs, without the express written
consent of Telecast Fiber Systems, Inc.

EXCEPT FOR THE EXPRESS LIMITED WARRANTY AGAINST DEFECTS IN MATERIALS AND
WORKMANSHIP  CONTAINED  HEREIN,  TELECAST  FIBER  SYSTEMS,  INC.  MAKES  NO
WARRANTY OF ANY KIND WHATSOEVER, EXPRESS OR IMPLIED, AND ALL WARRANTIES
OF  MERCHANTABILITY,  FITNESS  FOR  A  PARTICULAR  PURPOSE,  AND  OTHER
WARRANTIES  OF  WHATEVER  KIND  ARE  HEREBY  DISCLAIMED  BY  TELECAST  FIBER
SYSTEMS, INC. THIS LIMITED WARRANTY SETS FORTH EXCLUSIVELY ALL OF TELECAST
FIBER  SYSTEMS,  INC.'S  LIABILITY  IN  CONTRACT   OR  OTHERWISE  IN  THE  EVENT  OF  A
DEFECTIVE PRODUCT.
WITHOUT  LIMITATION  ON  THE  FOREGOING,  TELECAST  FIBER  SYSTEMS,  INC.
EXPRESSLY  DISCLAIMS  ANY  LIABILITY  WHATSOEVER  FOR  ANY  DAMAGES  INCURRED
DIRECTLY  OR  INDIRECTLY  IN  CONNECTION  WITH  THE  SALE  OR  USE  OF,  OR
OTHERWISE  IN  CONNECTION  WITH,  THE  PRODUCT,  INCLUDING  WITHOUT  LIMITATION,
LOSS  OF  PROFITS  AND  SPECIAL,  INCIDENTAL  OR  CONSEQUENTIAL  DAMAGES,
WHETHER  CAUSED  BY  NEGLIGENCE  OR  OTHERWISE,  REGARDLESS  WHETHER
TELECAST HAS BEEN GIVEN ADVANCE NOTICE OF THE POSSIBILITY THEREOF.
THIS  WARRANTY  IS  GIVEN  BY  TELECAST  IN  LIEU  OF  ANY  OTHER  WARRANTY
EXPRESSED OR IMPLIED.

Summary of Contents for Adder 882i

Page 1: ...Adder 882i Intercom Data Multiplexer Instruction Manual Telecast Fiber Systems Inc 102 Grove Street Worcester MA 01605 Tel 508 754 4858 Fax 508 752 1520 www telecast fiber com...

Page 2: ...2...

Page 3: ...l Connections 13 Intercom Modules 13 4 Wire 14 Clear Com 14 RTS Telex 15 Intercom Replacement 16 Digital Data 17 Power Connections 18 Input Power Fuse 19 Operating Details 19 Battery Charging 19 Indic...

Page 4: ...4...

Page 5: ...16 Figure 11 Data D Connectors on Front panel 18 Figure 12 Power Connector and Fuse Locations 18 Figure 13 Front Panel Indicators 19 Figure 14 Electronics Block Diagram 21 Figure 15 Digital I O Conne...

Page 6: ...6...

Page 7: ...r Com 2 Wire POWER PORTS TERM ON OFF d w GAIN IN OUT NULL A B 8dBm MAX LEVEL 600 Ohm AUXILIARY 4 WIRE AUDIO I O Figure 1 Front Panel of the Adder 882i Within the Adder 882i unit the intercom audio sig...

Page 8: ...sion multiplexed WDM One unit transmits from the Tx ST connector at a wavelength of 1300 nm and also receives at 1550 nm on the same connector The other unit transmits from the Tx ST connector at 1550...

Page 9: ...ier and to Telecast Fiber Systems Inc Leave the protective plastic caps on the optical connectors until it is time to attach the fiber s to the units Place the caps back on the connectors whenever the...

Page 10: ...r end WARNING Do NOT use the Adder 882i optical output for this purpose Never look directly into the end of the optical fiber while either end of the system is operating Eye damage is possible Inspect...

Page 11: ...Figure 5 A refers to the first numbered channel and B refers to the second numbered channel of the pair UNIT A SWITCH SETTING 1 2 3 4 5 6 7 8 8 10 MIC IN 0 or 40db gain LINE IN 0 or 10db gain Input Im...

Page 12: ...12 These are printed On the PC Board Figure 6 Main PCB Optical Connections Refer to Figure 7 before beginning the optical connections Figure 7 Optical Connectors on the Rear Panel...

Page 13: ...not be installed on one fiber units In the same way the system can be operated on two coaxial cables at distances up to 300m By connecting a coax from the TX on one side to the RX on the other a link...

Page 14: ...d See Audio Setup on page 4 PIN FUNCTION Impedance Signals 1 Ground 2 Input 3 Input 600 Ohm Input MIC 8 dBm LINE 32 dBm 4 Output 5 Output 600 Ohm Load 8 dBm Table 3 4 Wire Intercom Connections Figure...

Page 15: ...y power 5 to10 belt packs with each intercom module from theViper s internal power supply Many more belt packs can be added if powered externally Refer to your intercom manufacturer s documentation fo...

Page 16: ...trols Re adjust these controls to optimize performance as required Pin Function 1 Ground 2 VDC Power Ch 1 Audio 3 Ch 2 Audio Table 5 RTS Intercom Pin out Intercom Module Replacement Intercom modules w...

Page 17: ...lustrated in Figure 11 A 110 W terminating resistor placed across the balanced inputs may be needed if cable lengths using 110 W twisted pairs are in excess of 6 feet The serial communications protoco...

Page 18: ...N OUT NULL A B 8dBm MAX LEVEL 600 Ohm AUXILIARY 4 WIRE AUDIO I O Figure 11 Data D Connectors Power Connection When using the standard Telecast power supply connect the 4 pin XLR connector to the Adder...

Page 19: ...2 Wire POWER PORTS TERM ON OFF d w GAIN IN OUT NULL A B 8dBm MAX LEVEL 600 Ohm AUXILIARY 4 WIRE AUDIO I O Figure 13 Front Panel LED Indications External Power When this green LED is illuminated an ex...

Page 20: ...tors To operate the power switch 1 Pull the lever away from the panel 2 Move it up for power ON or down for power OFF The power switches at both units must be on for the system to achieve normal funct...

Page 21: ...single optical fiber Figure 14 Electronics Block Diagram All signals on the optical fiber are digital and therefore relatively insensitive to transmission level variations As a demultiplexer the unit...

Page 22: ...s 5 8 Refer to Table 6 Digital Cable Connections on page 17 for instructions on selecting the CCU capability When this option is selected the RS 422 and RS 232 serial communications for that connector...

Page 23: ...trated in Figure 2 on page 8 A D High speed analog to digital converters located in each intercom Multiplexer Sequentially presents 8 RS 422 digital inputs and 8 digitized audio signals from the A D c...

Page 24: ...Corrective Action No operation All indicators off No power Make sure power switches on both ends are on and that the external power supplies are delivering 13 8 24VDC No operation INTERNAL RESERVE LED...

Page 25: ...to 8 dBm 90 dB Digital Characteristics Serial Communications Data Interface Signal Level Data Rate RS 422 Balanced TTL levels 0 150 kBits sec RS 423 TTL levels 0 150 kBits sec RS 232 8 Vp p 0 38 4 kBi...

Page 26: ...3 dBm 15 13 dBm RX Sensitivity 28 30 dBm 28 30 dBm Power Requirements Voltage 12 to 24 VDC Current 1 5 amperes maximum 13 8 VDC NOTE Although the units will operate at 12 VDC 13 8 VDC is required to c...

Page 27: ...e maintenance and care Nor shall this warranty apply to any damage caused in whole or in part by attempts by personnel other than Telecast s personnel as approved in advance in accordance with the for...

Reviews: