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Dantel 49013 Installation & Operation Manual

202 tone modem
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About this Practice:
This practice has been reissued to:
• Incorporate the Checkout Proce-
dure into the Installation section.
• Document change to B12 version.
• Add microcontroller to Circuit
Description section.
• Update Figs. 1, 2, and Technical
Specifications table.
Reissued Practices: Updated and
new content can be identified by a
banner in the right margin.
Issue date: December 1997
Copyright 1997 by Dantel, Inc. • Dantel is a registered trademark of Dantel, Inc. • ISO 9001 Registered
202 T
S
UBASSEMBLY

Table of Contents

Ordering Information ........................................................................... 2
General Description .............................................................................. 2
Circuit Description ............................................................................... 2
Installation ............................................................................................ 5
Operation .............................................................................................. 9
Technical Specifications ....................................................................... 9
Warranty ............................................................................................. 10
CAUTION
•
Install or remove modules from the shelf only when the power is off.
If you install a module in the shelf with the power on, the internal
circuitry may suffer damage and the product warranty will be void.
•
Remove and install circuit boards only in a static-safe environment
(use antistatic wrist straps, smocks, footwear, etc.).
•
Keep circuit boards in their antistatic bags when they are not in use.
•
Do not ship or store circuit boards near strong electrostatic, electromag-
netic, magnetic, or radioactive fields.
•
For more complete information on electrostatic discharge safety
precautions, refer to Bellcore
Printed in the U.S.A.
I
NSTALLATION
49013
M
ONE
B12-49013-00
XMT
RCV
CD
T
E
S
T
XMT
LVL
TONE
MODEM
TM
Technical Reference # TR-NWT-000870.
& O
M
PERATION
ANUAL
49013-1297 <90-00034>
ODEM

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Summary of Contents for Dantel 49013

  • Page 1: Table Of Contents

    For more complete information on electrostatic discharge safety Issue date: December 1997 precautions, refer to Bellcore Technical Reference # TR-NWT-000870. Copyright 1997 by Dantel, Inc. • Dantel is a registered trademark of Dantel, Inc. • ISO 9001 Registered Printed in the U.S.A.

  • Page 2: Ordering Information

    ORDERING INFORMATION NOTE: This section lists the different options available for this product. To order any of the avail- able options, contact Dantel Inside Sales through our toll-free number, 1-800-432-6835. OPTION NUMBER FEATURES B12-49013-00 202 Tone Modem Subassembly GENERAL DESCRIPTION he Dantel 49013 202 Tone Modem Subassembly is used in support of Dantel’s 460 Alarm and Control System.
  • Page 3 Monitor the output signal at the front panel through the XMT test points. FSK Modem IC This integrated circuit is the central component of the 49013 subassembly. It handles all data functions such as modulation, demodulation, and filtering. Internal clocking is controlled by an externally connected crystal for stability.
  • Page 4 CIRCUIT DESCRIPTION . 1 - F , 49013 UNCTIONAL CHEMATIC RCV PAD 600 OHM P5-4 BALANCED P5-2 INPUT -5 VDC GROUND P5-1 -12 VDC P5-13 XMT PAD To/From Functional Schematic 600 OHM P5-5 Part II BALANCED P5-3 OUTPUT Functional Schematic DIST.

  • Page 5: Installation

    INSTALLATION ollow these steps to install the 49013 202 Tone Modem Subassembly: 1. Switch and Straps Refer to Table A and Fig. 2 for the proper switch and strap options. Set the switches and straps for the options you want.
  • Page 6 ♦ If a subassembly is already installed, remove it. ♦ To place the 49013 subassembly, insert P4 and P5 into the connectors on the host module (see Fig. 2). ♦ Make sure each connector pin goes straight into the socket.
  • Page 7 Refer to Fig. 4. Set the 600 ohm dB meter for bridging and connect the meter to the XMT jacks of the 49013 subassembly that is operating as the master (location 1). The meter should remain connected at this location for the entire alignment procedure.
  • Page 8 Using the slave XMT test points to try and set the same level as the master will magnify and distort the signal above a maximum level of -1 dB. . 4 - 49013 M ODEMS IN ASTER LAVE...

  • Page 9: Operation

    Place the front panel switch in the TEST position as required to verify that the data transmission circuits are func- tioning. The green LED labeled CD (Carrier Detect) on the front panel of the 49013 indicates that received data carrier is active. TECHNICAL SPECIFICATIONS DESCRIPTION VALUE...

  • Page 10: Warranty

    To ensure expedient processing of your order, provide a purchase order number and shipping and billing information when requesting an RMA number. Also, when the units are returned to Dantel, include a descrip- tion of the failure symptoms for each unit returned. Send defective equipment to: Dantel, Inc.

This manual is also suitable for:

B12-49013-00