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About this Practice:
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Reissued Practices: Updated and
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Issue date: October 1998
Copyright 1998 by Dantel, Inc. • Dantel is a registered trademark of Dantel, Inc. • ISO 9001 Registered
B18-04649-01
S
MALL
Table of Contents
Ordering Information ............................................................................ 2
General Description ............................................................................... 2
Installation ............................................................................................ 3
Technical Specifications ....................................................................... 11
Warranty ............................................................................................. 14
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
04649-1098 <90-00194>
DST S
Technical Reference # TR-NWT-000870.
TM
& O
M
PERATION
ANUAL
HELF
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Summary of Contents for Dantel B18-04649-01
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Page 1: Table Of Contents
For more complete information on electrostatic discharge safety precautions, refer to Bellcore Technical Reference # TR-NWT-000870. Issue date: October 1998 Copyright 1998 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 available options, contact Dantel Inside Sales through our toll-free number, 1-800-432-6835. OPTION NUMBER FEATURES B18-04649-01 Wired shelf equipped with one (1) Tellabs 4003c and one (1) 44202 202-Type Modem... -
Page 3: Installation
INSTALLATION his section consists of: ♦ Equipment mounting ♦ Wiring ♦ Switch and strap settings • 4003c Line Amplifier • 44202 202-Compatible Modem ♦ Alignment and Checkout Procedure QUIPMENT OUNTING Install the shelf in an equipment rack using the hardware pro- vided. - Page 4 INSTALLATION . 1 - M OUNTING IMENSIONS 4.75 1.72 17.35 19.00 or 23.00 IRING Connect the shelf as required. Refer to Fig. 2 for a functional schematic of the unit. Fig. 3 shows the connector locations on the rear of the unit. .
- Page 5 INSTALLATION . 3 - R , 4649 S HELF -BATT To GTP VF 4-Wire Circuit WITCH AND TRAP ETTINGS 4003 MPLIFIER Refer to Tables A-C and Fig. 4 to set the options on the Line Amplifier in slot 1 of the shelf. A - 4003C S ABLE WITCH...
- Page 6 INSTALLATION C - 4003C L (S14) ABLE OOPBACK EVEL ELECTION LOOPBACK LEVEL POSITION 1 POSITION 2 +16 dB 0 dB * -16 dB -23 dB * NOTE: This setting equals +9 dB on those units without an “M3” label on the handle. .
- Page 7 INSTALLATION 44202 M ODEM Refer to Tables D and E and Fig. 5 to set the switch and strap options on the 44202 Modem. D - S , 44202 ABLE TRAP PTIONS STRAP POSITION DESCRIPTION TD422 No termination at 422 Transmit Data input. RTS422 No termination at 422 Request To Send input.
- Page 8 Line Amplifier and the 44202 Modem are factory-set for proper loopback. Refer to Fig. 6. Action: Configure the Tellabs 4003C and the Dantel 44202 modules as shown in Tables A through E. Action: Ensure that power is removed from the equipment shelf.
- Page 9 INSTALLATION Action: Apply power to the shelf. Action: Connect a Transmit Measuring Set (TMS) to the XMT LINE jack of the 44202 modem. Configure the TMS for 600 ohm ter- minated measurement. Action: Place the TEST switch, on the 44202 modem, in the ON (up) position.
- Page 10 INSTALLATION . 6 - A LIGNMENT ROCEDURE OINTS 44202-00 4003C 202 MODEM line amplifier Step 8 Step 5 TEST Step 7 xmt out loop Step 9 Step 4 rcv in LINE Step 10 rcv out LINE Step 6 Step 11 LEVEL Step 13 Step 12...
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Page 11: Technical Specifications
TECHNICAL SPECIFICATIONS DESCRIPTION VALUE B18-04649-02 SHELF (FULLY EQUIPPED) Input Voltage -22 to -56 VDC Input Current 160 mA (min.); 335 mA (max.) Heat Dissipation 19.4 (+ 4003C min) (min); 30.6 (+ 4003C max) Btu/Hr (max) Operating Temperature Range 0° to 55° C. Physical Dimensions 19"... - Page 12 TECHNICAL SPECIFICATIONS DESCRIPTION VALUES 44202 MODEM (PER MODULE) POWER REQUIREMENTS Input Voltage -21 to -56 VDC Input Current Idle @ -21 VDC @ -24 VDC @ -48 VDC @ -56 VDC 120 mA 105 mA 75 mA 70 mA Busy 135 mA 120 mA 85 mA...
- Page 13 NOTES 04649-1098 <90-00194>...
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Page 14: 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.