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About this Practice:
This practice has been reissued to:
• Update Figs. 1 and 3.
Reissued Practices: Updated and
new content can be identified by a
banner in the right margin.
Issue date: August 1998
Copyright 1998 by Dantel, Inc. • Dantel is a registered trademark of Dantel, Inc. • ISO 9001 Registered
9600 BPS M
Table of Contents
Ordering Information ........................................................................... 2
General Description .............................................................................. 2
Circuit Description ............................................................................... 3
Installation ............................................................................................ 5
Operation ............................................................................................ 10
Application Information ..................................................................... 10
Technical Specifications ..................................................................... 12
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
44214
TM
Technical Reference # TR-NWT-000870.
& O
M
PERATION
ANUAL
44214-0898 <90-00005>
ODEM
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Summary of Contents for Dantel 44214
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Page 1: Table Of Contents
For more complete information on electrostatic discharge safety Issue date: August 1998 precautions, refer to Bellcore Technical Reference # TR-NWT-000870. 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
On the data side of the 44214 there are input/output ports available for interfacing to Data Terminal Equipment. Available interfaces are: ♦... -
Page 3: Circuit Description
Loopback again. Both the analog and digital sides of the 44214 can be set to loopback. A two-position switch (S3) is used to enable or disable the analog side. A second two-position switch (S5) is used to enable or disable the digital side. - Page 4 CIRCUIT DESCRIPTION . 1 - F ; 44214 4-W UNCTIONAL CHEMATIC ODEM NOTE: The following are accessible through the front panel: S1, S3, S4, S5, R44, R53 +5VDC TTL / MODE CMOS GATING & DRIVERS MICRO CONTROLLER SIGNAL GROUND DLB 45...
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Page 5: Installation
Connection can be made at either of two places. A mini-plug can be inserted into the front panel jack labeled 4W MON or the meter can be connected to the 44214’s edge connector at pins 40 and 39. 44214-0898 <90-00005>... - Page 6 Figure 1. Edge connector pin 21 is the transmit into the test the facility between the mo- 44214. Pin 14 is the receive back to the dumb terminal. Use dem and the DTE device connect- pin 17 or 25 for signal ground.
- Page 7 ORG mode and the other to ANS. These switches are on the front panel of each unit. Make sure that the 2W/4W switch (S7) is set per the application. . 3 - S TRAP AND WITCH OCATIONS 1 2 3 4 1 2 3 4 44214-0898 <90-00005>...
- Page 8 180 ohm termination at RS-485 Transmit Data Input 1 & 2 Activated / DTR (*required for RS-422 or RS-485) 2 & 3 Not activated 1 & 2 Activated / RTS (*required for RS-422 or RS-485) 2 & 3 Not activated 44214-0898 <90-00005>...
- Page 9 INSTALLATION When it is necessary to wire directly to the 44214 4-Wire Mo- dem, refer to Fig. 4 for the pin designation. . 4 - P ESIGNATIONS Reserved Reserved Reserved Reserved ALB (TTL) DLB (TTL) 4-Wire RCV or 2-Wire XMT/RCV...
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Page 10: Operation
MPORTANT When used in alarm applications, Fig. 5 shows a 44214 Modem application. A 44214 Modem at a as depicted in Fig. 5, the 44214 remote location transmits 460 Alarm and Control System data to has specific limitations. - Page 11 STATION 1 CODE STATION 1 CODE FIBER FIBER OPTIC OPTIC 41096-01 41096-01 TERM TERM CH 1 CH 1 DATA CIRCUIT REMOTE (CALLED) TERMINAL MASTER (CALLING) TERMINAL B18-05547-01 B18-05547-01 FIBER FIBER OPTIC OPTIC TERM TERM A11-44214-00 EXTERNAL FIBER 4-WIRE TERMINAL MODEM 44214-0898 <90-00005>...
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Page 12: Technical Specifications
TECHNICAL SPECIFICATIONS ; 44214 4-W ECHNICAL PECIFICATIONS ODEM DESCRIPTION VALUE POWER REQUIREMENTS Input Voltage -21 to -56 VDC Input Current @ -21 VDC 114 mA @ -24 VDC 100 mA @ -48 VDC 48 mA @ -56 VDC 45 mA... - Page 13 TECHNICAL SPECIFICATIONS ); 44214 4-W ECHNICAL PECIFICATIONS CONTINUED ODEM 9600 7200 4800 2400 1200 Configuration Mode V.32 9600 V.32 TCM V.32 4800 V.22 BIS 2400 V.22 BIS 1200 Modulation KPSK Carrier Frequency +0.01 1800 1800 1800 1200/2400 1200/2400 Baud (Symbol/Sec.)
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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.