Table of Contents
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Table of Contents
Summary of Contents for Vaisala DXL421
- Page 1 Leased Line Modem DXL421 UIDE M210636EN-B February 2005...
- Page 2 The contents are subject to change without prior notice. Please observe that this manual does not create any legally binding obligations for Vaisala towards the customer or end user. All legally binding commitments and agreements are included exclusively in the applicable supply contract or...
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Page 3: Table Of Contents
CHAPTER 3 OPERATION....................9 Installation................. 9 Mode Settings................. 10 Operator Commands.............. 11 Point-to-point................13 Application, DXL421 and ROSA in 2/4-wire point-to-point Operation................13 Multi-point ................14 Application, DXL421 and ROSA in 2-wire Multi-point Operation................14 CHAPTER 4 CONTACT INFORMATION................15 Technical Support .............. - Page 4 Figure 2 DXL421 and Terminal..............9 Figure 3 Mode Settings................11 Figure 4 DXL421 and ROSA in Leased Line 2-wire Poin-to-point..13 Figure 5 DXL421 and ROSA in Leased Line 4-wire Point-to-point..13 Figure 6 DXL421 and ROSA in Leased Line Multi-point ......14 List of Tables Table 1 DIL Switch Positions ..............10...
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Page 5: Chapter 1 General Information
- Chapter 2, Product Overview, introduces the features, advantages of the product. - Chapter 3, Operation, contains information that is needed to operate this product. - Chapter 4, Contact Information, describes contact information. - Chapter 5, Technical Data, provides the technical data of DXL421 modem. VAISALA_________________________________________________________________________ 3... -
Page 6: Safety
Note highlights important information on using the product. ESD Protection Electrostatic Discharge (ESD) can cause immediate or latent damage to electronic circuits. Vaisala products are adequately protected against ESD for their intended use. However, it is possible to damage the product by delivering electrostatic discharges when touching, removing, or inserting any objects inside the equipment housing. -
Page 7: Warranty
Chapter 1 _________________________________________________________ General Information Warranty For certain products Vaisala normally gives a limited one-year warranty. Please observe that any such warranty may not be valid in case of damage due to normal wear and tear, exceptional operating conditions, negligent handling or installation, or unauthorized modifications. - Page 8 User's Guide _______________________________________________________________________ This page intentionally left blank. 6 ____________________________________________________________________ M210636EN-B...
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Page 9: Chapter 2 Product Overview
V.22 1200 / 1200 DPSK and V.23 1200 /1200 bps FSK. Assembly The DXL421 unit has a small enclosure of 20 mm x 80 mm x 76 mm with DIN rail mounting support that can be connected into various enclosures. The DXL421 has face connectors where the power supply, RS-232 and leased line can be connected. -
Page 10: Figure 1 Dxl421 Leased Line Modem
User's Guide _______________________________________________________________________ 0410-169 Figure 1 DXL421 Leased Line Modem The following numbers refer to Figure 1 above: DIL switch Power input RS-232 interface Leased line interface 8 ____________________________________________________________________ M210636EN-B... -
Page 11: Chapter 3 Operation
This chapter contains information that is needed to operate this product. Installation Install DXL421 modem onto a DIN rail. Make sure that connection between the DIN rail and the grounding point is good. Surge protection is included in DXL421. 0410-170... -
Page 12: Mode Settings
User's Guide _______________________________________________________________________ Connect the power to DXL421. Make sure that polarity of power cable is correct. The over-voltage, short-circuit and reverse connection protection are included in DXL421. When the power is switched ON, the DXL421 sends a following response to serial line: DXL421 V1.02 2004-07-28... -
Page 13: Operator Commands
Mode Settings Operator Commands To operate with a DXL421 the user has to open the RS-232 serial line into the command mode by the command XOPEN DXL {id}. Prior to this command the user has to press ENTER once, which will wake up the RS-232 serial line. -
Page 14: Table 3 Carrier Levels
This command displays and sets the identification address of a DXL421 modem. BAUD: 9600 SERN {serial number} This command displays and sets the serial number of a DXL421 modem. SERIAL NUMBER: Z19414 BAUD This command displays and sets the serial line speed buffer. 1200, 2400, 4800 and 9600 are available baud rates, the factory default is 9600 baud. -
Page 15: Point-To-Point
Chapter 3 _________________________________________________________________ Operation Point-to-point The DXL421 can be used in the leased line mode 2- or 4-wire point- to-point application. Application, DXL421 and ROSA in 2/4-wire point-to-point Operation PC/DTE and DXL421: Set DXL421 mode as follows; originate, 1200 baud and -6.0db. Set PC/DTE serial port 1200 baud (if DXL421 is set DIL/4 ON Speed buffer 9600 mode then set PC/DTE serial port 9600 baud). -
Page 16: Multi-Point
Application, DXL421 and ROSA in 2-wire Multi-point Operation PC/DTE and DXL421: Set DXL421 mode as follows; originate, 1200 baud and -6.0db. Set PC/DTE serial port 1200 baud (if DXL421 is set DIL/4 ON Speed buffer 9600 mode then set PC/DTE serial port 9600 baud). -
Page 17: Contact Information
Chapter 4 _________________________________________________________ Contact Information CHAPTER 4 CONTACT INFORMATION This chapter describes contact information. Technical Support For technical questions, contact the Vaisala technical support: E-mail helpdesk@vaisala.com Phone (int.) +358 9 8949 2789 +358 9 8949 2790 Return Instructions If the product needs repair, please follow the instructions below to speed up the process and avoid extra costs. - Page 18 Pack the faulty product using an ESD protection bag of good quality with proper cushioning material in a strong box of adequate size. Please include the Problem Report in the same box. Send the box to: Vaisala Oyj Contact person / Division Vanha Nurmijärventie 21 FIN-01670 Vantaa Finland...
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Page 19: Chapter 5 Technical Data
Chapter 5 _____________________________________________________________ Technical Data CHAPTER 5 TECHNICAL DATA This chapter provides the technical data of DXL421 modem. Specifications Table 4 Power Input Property Description / Value Supply voltage +5 to +30 VDC Power consumption 0.09 W Fuse 0.5A PTC... -
Page 20: Table 7 Mechanical
User's Guide _______________________________________________________________________ Table 7 Mechanical Property Description / Value Housing material EN AW-1050A aluminium, gray anodized Housing classification IP30 (NEMA 1) Dimensions 25x80x76mm Weight 94 g Table 8 Environmental Property Description / Value Operating temperature -40°C ... +55°C Storage temperature -60°C ...
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