HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual
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HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual

HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual

Cabling and racking guide
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HP DTC Cabling and
Racking Guide
June 1993

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Summary of Contents for HP A4500A - VMEbus Single Board Computer 744 Motherboard

  • Page 1 HP DTC Cabling and Racking Guide June 1993...
  • Page 2 Warranty The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

  • Page 3: Table Of Contents

    Contents Overview ............. . . 1 DTC 72MX with example connections .
  • Page 4 Contents RJ45 Diagnostic Port to Terminal ......... . . 39 DTC 16xx family diagnostic port .
  • Page 5 Contents RS-449 POD connection for RS-423 signals ....... . . 67 Making your own cables .
  • Page 6 Contents RS-232-D Cable............99 Supported LAN Cables and Transceivers .

  • Page 7: Overview

    Overview Use this section if you have not ordered the DTC 16xx or the DTC 72MX with the RJ45 19” Distribution Panel as a factory-racked product (product numbers J2062AZ or J2070AZ). Chapter 1 of the HP DTC Cabling and Racking Guide includes information about HP computer racks and describes how to rack the DTC 72MX and the DTC 16xx family, which includes the DTC 16TN, DTC 16iX and DTC 16MX.

  • Page 8: Dtc 72Mx With Example Connections

    DTC 72MX with example connections DTC 72MX with example connections This figure shows a DTC 72MX mounted in a system rack, with distribution panels for multiple connections to modems and asynchronous devices. The front panel of the DTC 72MX has been removed.

  • Page 9: Hp System Racks

    HP System Racks The HP System Racks conform to the IEC and EIA standards for 19” (482.6 mm) racks. Any HP, or non-HP, equipment that conforms to these standards can be installed in one of these racks. The 1.1 meter and 1.6 meter system racks are measured in EIA (Electronic Industries Association) units.

  • Page 10: Meter System Rack (Hp C2786A)

    1.6 meter System Rack (HP C2786A) 1.6 meter System Rack (HP C2786A) 0.6 meters 1.6 meters 100 mm extra space for cable management and cooling Optional anti-tip ballast C2790A - 14 kg 0.9 meters Note: Castors included as standard Anti-tip bracket 2 EIA unit filler panels...

  • Page 11: Meter System Rack (Hp C2785A)

    1.1 meter System Rack (HP C2785A) 1.1 meter System Rack (HP C2785A) 0.6 meters 1.1 meters 100 mm extra space for cable management and cooling 0.9 meters Optional anti-tip ballast C2790A - 14 kg Anti-tip bracket 3 EIA unit filler panels Note: Castors included as standard The 1.6 meter system rack incorporates a ventilation path through the top cover.

  • Page 12: Guidelines For Racking Systems

    Guidelines for Racking Systems The vertical mounting columns have a slot feature to help position and secure support rails. This makes installation of rails easier as they do not have to be held in position when they are bolted to a vertical column. It also ensures that rails can only be located in proper EIA unit increments.
  • Page 13 Guidelines for Racking Systems HP 1.6 meter system rack - C2786A...
  • Page 14 Guidelines for Racking Systems Product Rail Types Description Number Computer Used with all HP computers and peripherals C2788A Non-HP Used with equipment conforming to EIA spec E3664A System II Used with HP System II instruments E3663A Used with HP VXI mainframe equipment E3665A Note Refer to the Instrument Rack User’s Guide (part number E3660-90001) for further...

  • Page 15: Racking Considerations And Methods

    Racking Considerations and Methods Guidelines for populating a Rack One EIA unit is equal to 44.45mm of vertical height in a rack. The envelope boundary marks this limit. Align the lower edge of a racked unit to coincide with an envelope boundary mark. 1U 2.7...
  • Page 16 Guidelines for populating a Rack To accommodate slight variations in height and width of rackable devices, different types of rails are available. Some rails allow devices which do not use a complete EIA unit, to be centered within an EIA unit envelope boundary.

  • Page 17: Populating A Rack

    Guidelines for populating a Rack Populating a Rack The maximum number of DTC 72MX in a 1.6 m rack is 4 The maximum number of DTC 72MX in a 1.1 m rack is 2 HP recommends that members of the DTC 16xx family be racked as illustrated below;...
  • Page 18 Guidelines for populating a Rack...

  • Page 19: Racking Dtc Units And Connection Kits

    Racking DTC Units and Connection Kits This chapter explains how to install the DTC 16xx family and DTC 72MX in an HP system rack, together with how to install DTC distribution panels. The DTC 72MX cannot be racked in non-HP racks with the system rack front panel.

  • Page 20: Racking A Dtc 72Mx With A System Rack Front Panel

    Racking a DTC 72MX with a system rack front panel Racking a DTC 72MX with a system rack front panel The DTC 72MX can be racked in standard 19” EIA racks, including HP system racks. Each DTC 72MX occupies three EIA units. (DDPs and MDPs will occupy additional EIA units).
  • Page 21 Racking a DTC 72MX with a system rack front panel 3 Slide the DTC into the rack, along the previously installed rails. Fix the brackets on the DTC to the rack using four screws from your rack assembly kit. 4 Push the system rack front panel into place. The snaps are attached to the brackets.

  • Page 22: Racking A Dtc 72Mx With A Desktop Front Panel

    Racking a DTC 72MX with a desktop front panel Racking a DTC 72MX with a desktop front panel 1 Remove the front panel and unscrew the plastic snaps from the side brackets. 2 Slide the DTC into the rack, along the previously installed rails.
  • Page 23 Racking a DTC 72MX with a desktop front panel 3 Screw the side brackets to the rack using four screws and washers supplied with your mounting kit. 4 The desktop panel is attached by slotting it into the lower edge of the DTC and pushing it in at the top.

  • Page 24: Racking The Dtc 16Xx Family

    Racking the DTC 16xx family Racking the DTC 16xx family Included with your DTC is an accessories kit which contains the parts necessary for mounting the DTC 16xx in a rack. HP recommends that members of the DTC 16xx family are racked as illustrated below. Each DTC 16xx occupies one EIA unit.
  • Page 25 Racking the DTC 16xx family 1 Use the four small cross-head screws supplied to fix the two brackets onto the sides of the DTC. 2 Slide the DTC 16xx into the rack along the previously installed rails. Use the screws supplied with the rack mounting kit to fix the side the accessories kit) in a visible position inside the rack.

  • Page 26: Racking The Direct Distribution Panel 8-Port Ddp Hp J2085A #102

    Racking the Direct Distribution Panel 8-port DDP HP J2085A #102 Racking the Direct Distribution Panel 8-port DDP HP J2085A #102 This product is supplied with brackets, and screws, for attaching the panel to the brackets. Use the screws from your rack kit to attach the panel to the rack.
  • Page 27 Racking the Direct Distribution Panel 8-port DDP HP J2085A #102 3 To connect the cables: push each device cable connector through the large slot in the bracket. Secure the connector to a port on the DDP. Position the cable in one of the circular holes in the bracket to support and protect the connection.

  • Page 28: Racking The Modem Distribution Panel Hp J2085 #101

    Racking the Modem Distribution Panel HP J2085 #101 Racking the Modem Distribution Panel HP J2085 #101 Front Mounting Accessories are available for mounting MDPs in the system rack. Illustrated below is product HP J2084A, which uses 7 EIA units. It is a metal mounting panel, with a filler panel, which enables front mounting of up to five Modem Distribution Panels in the system rack.
  • Page 29 Racking the Modem Distribution Panel HP J2085 #101 2 Fix the MDP to the mounting panel by screws at top and bottom. There are mounting holes in the MDP, and on the mounting panel.You will need 2 screws metric size M4, 10mm long, for the MDP. 3 To connect cables, pull the device cables up through the cable-access slots in the mounting panel and connect them to ports on the MDP.

  • Page 30: Rear Mounting Mdp Units

    Racking the Modem Distribution Panel HP J2085 #101 Rear Mounting MDP Units A mounting bracket is available for rear mounting MDPs in an HP system rack. This is product HP C2792A. The mounting bracket and hinge attach to the rear columns of the rack, occupying 6EIA units. Depending upon which rear column the hinge is fixed to, it can be installed to swing open to the left or to the right.
  • Page 31 Racking the Modem Distribution Panel HP J2085 #101 3 Install the mounting hinge using four screws. 4 Attach each MDP to the bracket using two of the 8mm long screws provided.

  • Page 32: Racking The 24-Port Rj45 Direct Distribution Panel Hp J2085A #103 And The 16-Port Rj45

    Racking the 24-port RJ45 Direct Distribution Panel HP J2085A #103 and the 16-port RJ45 DDP HP J2085A #105 Racking the 24-port RJ45 Direct Distribution Panel HP J2085A #103 and the 16-port RJ45 DDP HP J2085A #105 For safety, and to ensure the integrity of connections to the RJ45 DDP, the panel should be attached to the rear columns of the system rack.

  • Page 33: Attaching An 8-Port Rj45 Break-Out Panel To A Desktop Dtc 16Xx

    Attaching an 8-port RJ45 break-out panel to a desktop DTC 16xx Attaching an 8-port RJ45 break-out panel to a desktop DTC 16xx An 8-port RJ45 break-out panel is available for direct connections to the DTC 16xx. This break-out panel is recommended for desktop configurations only.
  • Page 34 Attaching an 8-port RJ45 break-out panel to a desktop DTC 16xx...

  • Page 35: Typical Configurations

    Typical Configurations This chapter contains five examples of large and small system racking configurations. All the examples show DTC 72MX devices, but are equally applicable to the DTC 16xx family.

  • Page 36: Four Dtc 72Mx With 272 Ports In A 1.6M Rack

    Four DTC 72MX with 272 ports in a 1.6m rack Four DTC 72MX with 272 ports in a 1.6m rack Solution 1 Front: 2 x J209A MDP Mounting Kits 7 x Modem Distribution Panels Rear: 9 x RJ45 Direct Distribution Panels Solution 2 Front: 20 x Filler Panels Rear: 2 x C2792A MDP Mounting Kits...

  • Page 37: System And Dtc 72Mx With 64 Ports In 1.6M Rack

    System and DTC 72MX with 64 ports in 1.6m rack System and DTC 72MX with 64 ports in 1.6m rack Solution 1 Front: 2 x J2084A MDP Mounting Kits 2x Modem Distribution Panels Rear: 2x RJ45 Direct Distribution Panels Solution 2 Front: 8 x Filler Panels Rear: 1 x C2792A MDP Mounting Kits 2x Modem Distribution Panels...

  • Page 38: System And Dtc 72Mx With 64 Ports In 1.1M Rack

    System and DTC 72MX with 64 ports in 1.1m rack System and DTC 72MX with 64 ports in 1.1m rack Solution 1 Front: 1 x J2084A MDP Mounting Kits 2 x Modem Distribution Panels Rear: 2 x RJ45 Direct Distribution Panels Solution 2 Front: 8 x Filler Panels Rear: 1 x C2792A MDP Mounting Kits...

  • Page 39: System And Dtc 72Mx With 88 Ports In 1.1M Rack

    System and DTC 72MX with 88 ports in 1.1m rack System and DTC 72MX with 88 ports in 1.1m rack Solution 1 Front: 1 x J2084A MDP Mounting Kits 2 x Modem Distribution Panels Rear: 3 x RJ45 Direct Distribution Panels Solution 2 Front: 9 x Filler Panels Rear: 1 x C2792A MDP Mounting Kits...

  • Page 40: System And Dtc 72Mx With 184 Ports In 1.6M Rack

    System and DTC 72MX with 184 ports in 1.6m rack System and DTC 72MX with 184 ports in 1.6m rack Solution 1 Front: 1 x J2084A MDP Mounting Kits 5 x Modem Distribution Panels Rear: 6 x RJ45 Direct Distribution Panels Solution 2 Front: 12x Filler Panels Rear: 1 x C2792A MDP Mounting Kits...

  • Page 41: Connecting Asynchronous Devices

    Connecting Asynchronous Devices Overview This section explains how to connect a DTC to asynchronous devices, gives a list of recommended cables, explains how to make your own cables, lists the cables you should use to connect to the most common devices, and gives useful advice for adapting to popular cabling systems.

  • Page 42: Rear View Of A Dtc 72Mx With Example Connections

    Overview Rear View of a DTC 72MX with example connections In this example, a DTC 72MX is illustrated with a ThinLAN connection. An 8-port Modem Distribution Panel and a 24-port Direct Distribution Panel are shown connected.

  • Page 43: Connecting Asynchronous Devices

    Connecting Asynchronous Devices Connecting Asynchronous Devices The number of terminals and other asynchronous devices you can connect to a DTC depends upon the number and type of boards you have installed. The DTC 16xx family is available with RS-232 as standard or with RS-423 as an option.
  • Page 44 Connecting Asynchronous Devices The accessories available for making connections with a DTC are illustrated below: 8-port DDP and cable for Direct Asynchronous 8-port MDP and cable for Modem (RS-232-C Connections. HP J2085 option 102. only). HP- J2085 option 101. Direct Connect Distribution Panel providing 3-pin fan-out cable.

  • Page 45: Rj45 Diagnostic Port To Terminal

    RJ45 Diagnostic Port to Terminal RJ45 Diagnostic Port to Terminal DTC 16xx family diagnostic port Cable Part Number: 8120-6196 DTC 72MX diagnostic port Cable Part Number: 8120-6196...

  • Page 46: Dtc 16Xx And Dtc 72Mx To 8-Port Mdp

    DTC 16xx and DTC 72MX to 8-port MDP DTC 16xx and DTC 72MX to 8-port MDP Cable part number: 8120-5677 Cable part number: 8120-5677...

  • Page 47: Dtc 16Xx And Dtc 72Mx To 8-Port Ddp

    DTC 16xx and DTC 72MX to 8-port DDP DTC 16xx and DTC 72MX to 8-port DDP Cable part number: 8120-5678 Cable part number: 8120-5678...

  • Page 48: Dtc 72Mx To 24-Port Rj45 Panel

    DTC 72MX to 24-port RJ45 panel DTC 72MX to 24-port RJ45 panel Cable part number: 8120-5678 DTC 72MX to 3-pin fan-out cable Cable part number: 8120-6195...

  • Page 49: Connection Accessories

    Connection Accessories Connection Accessories The following accessories may be used with the asynchronous processor board: Product Direct Modem Accessory Interface /Option Connection Connection 8-port MDP J2085A #101 RS-232 8-port DDP J2085A #102 RS-232 or RS-423 16-port DDP J2085A #105 RS-232 or RS-423 24-port DDP J2085A #103 RS-232 or RS-423...

  • Page 50: Dtc To Distribution Panel Cables

    DTC to Distribution Panel Cables DTC to Distribution Panel Cables DTC to MDP cable pin out The MDP is connected to the DTC via a multiplexed serial link. The four link wires make an RS-422 two-way balanced high-speed link. The twisted pairs are: 2/3, 4/8, 5/9, and 6/7. The maximum length for the cable is two meters.

  • Page 51: Dtc To Ddp (Db25 And Rj-45) Cable Pin Out

    DTC to Distribution Panel Cables DTC to DDP (DB25 and RJ-45) cable pin out The 8-port DDP and the 24-port RJ45 DDP use this cable to connect to the DTC. Port 0 Port 4 Port 1 Port 5 Port 2 Port 6 Port 3 Port 7...

  • Page 52: Cables For Connecting A Distribution Panel To A Device

    Cables for connecting a Distribution Panel to a Device Cables for connecting a Distribution Panel to a Device It is important to use appropriate cables when connecting terminals, printers and other serial devices to a DTC distribution panel. This is because certain signals are present for test purposes on otherwise unused pins of the 25-pin connectors of the distribution panels.

  • Page 53: Dtc 72 To Device 3-Pin Fan-Out Cable Pin Out

    Cables for connecting a Distribution Panel to a Device DTC 72 to device 3-pin fan-out cable pin out In order to maintain compatibility with previous DTC units and with terminals using the ATP-type connector, a 3-pin fan-out cable is available. Product number HP J2085A #104 Part number 8120-6195 DTC 62-PIN CONNECTOR...

  • Page 54: Cables That Should Not Be Used

    Cables that should not be used Cables that should not be used Some terminals, such as the HP 2392A and older terminals, output a signal on pin 23 of the 25-pin DB25 connector. The MDP also outputs a signal on this pin. Using any of the cables listed below will connect these pins together, which may result in hardware damage to the pin 23 drivers on the terminal or the MDP.

  • Page 55: Most Common Cabling Schemes

    Most Common Cabling Schemes RS-232 connection RS-232 DB25 Direct connection to HP terminals, HP Vectra PC’s and HP printers This cabling scheme is recommended for connecting the following devices: HP Terminals HP239xA, HP700/22/32/43/45/9x HP Vectra C2401A, C2402A, C1010J, C1010T HP Printers HP2227A, 28A, 76A, 77A, HP256x, HP293x, HP2684A/P, 86A/D, HP33440A/F, 47A/F, 49A, 59A, 41063A, C1200A, C1202A...

  • Page 56: Db25 Direct Connection To Hp Vectra Pc's (9-Pin Connector)

    RS-232 connection DB25 Direct connection to HP Vectra PC’s (9-pin connector) This cabling scheme is recommended for connecting to the following HP Vectra interfaces: HP Vectra with 9-pin connector: 386/XX,486/XX HP Vectra interfaces: 24540B port A, 24541B port A 25-pin male connector to DTC 9-pin female connector to Vectra 1 - PGND 3 - TD...

  • Page 57: Db25 Direct Connection To Hp 3000 Atp Ports (3-Pin Connector)

    RS-232 connection RS-232 DB25 Direct connection to HP 3000 ATP ports (3-pin connector) This cabling scheme is recommended for connecting to HP 3000 ATP ports with 3-pin connectors. 25-pin male connector to DTC 3-pin male connector to ATP 1 - PGND OUTPUT 3 - ATP TD INPUT...

  • Page 58: Rj45 Connection To Hp Terminals, Hp Vectra Pc's (Db25 Connector) And Hp Printers

    RS-232 connection RS-232 RJ45 connection to HP terminals, HP Vectra PC’s (DB25 connector) and HP Printers This cabling scheme is recommended for connecting the following devices: HP Terminals HP239xA, HP700/22/32/43/45/9x HP Vectra C2401A, C2402A, C1010J, C1010T HP Printers HP2227A, 28A, 76A, 77A, HP256x, HP293x, HP2684A/P, 86A/D, HP33440A/F, 47A/F, 49A, 59A, 41063A, C1200A, C1202A Cable type...

  • Page 59: Rj45 Connection To Hp Vectra Pc (9-Pin Connector)

    RS-232 connection RS-232 RJ45 connection to HP Vectra PC (9-pin connector) This cabling scheme is recommended for connecting to the following: HP Vectra with 9-pin connector: 386/XX,486/XX HP Vectra interfaces: 24540B port A, 24541B port A RJ45 female 9-pin female connector to RJ45 male RJ 45 male connector to DTC connector...

  • Page 60: Rj45 Direct Connection To Hp Printer With Hardware Handshake

    RS-232 connection RS-232 RJ45 Direct connection to HP printer with hardware handshake This cabling scheme is recommended for connecting to the following devices when a hardware handshake is necessary: HP Laserjet: HP 2684A/P, 86A/D,HP33440A/F,47A/F,49A,59A, 41063A,C1200A,C1202A HP Ruggedwriter: HP 2235 RJ45 female RJ45 male RJ 45 male connector to DTC connector...

  • Page 61: Rj45 Connection To Hp Atp 3-Pin Connectors

    RS-232 connection RS-232 RJ45 connection to HP ATP 3-pin connectors This cabling scheme is recommended for connecting to HP 3000ATP Ports with 3-pin connectors. RJ45 female RJ45 male RJ 45 male connector to DTC connector connector 3-pin male connector to ATP 1 - RD INPUT 3 - ATP TD...

  • Page 62: Modem Connection To Hp Terminals, Hp Vectra Pc's And Hp Printers

    RS-232 connection RS-232 Modem connection to HP terminals, HP Vectra PC’s and HP printers This cabling scheme is recommended for connecting the following devices: HP terminals: HP239xA, HP700/22/32/43/45/9x HP Vectra: C2401A, C2402A, C1010J, C1010T, HP Vectra interfaces: 24541B port B HP printers: HP2227A, 28A, 76A, HP256x, HP293x, HP2684A/P, 86A/D, HP33440A/F, 47A/F, 49A, 59A, 41063A,...

  • Page 63: Modem Connection To Hp Vectra Pc (9-Pin Connector)

    RS-232 connection RS-232 Modem connection to HP Vectra PC (9-pin connector) This cabling scheme is recommended for connecting the following: HP Vectra with 9-pin connector: 386/XX, 486/XX HP Vectra interfaces: 24540B port A, 24541B port B Existing HP cable: HP 24542M 25-pin male connector to DTC 9-pin female connector to HP Vectra 1 - PGND...

  • Page 64: Connection To Modems

    RS-232 connection RS-232 Connection to modems This cabling scheme is recommended for connecting modems to a DTC. Existing HP cable: HP 40233A 25-pin male connector to DTC 25-pin male connector to modem 1 - PGND 1 - PGND 2 - RD INPUT 3 - RD OUTPUT...

  • Page 65: Modem Connection To Hp 9000 With Mdp Or Hp 3000 Atp Modem Ports

    RS-232 connection RS-232 Modem connection to HP 9000 with MDP or HP 3000 ATP modem ports This cabling scheme is recommended for connecting to HP 9000 with MDP, or HP 3000 ATP modem ports to the DTC. Existing HP cable: HP 40233A 25-pin male connector to DTC 25-pin male connector to HP host...

  • Page 66: Modem Connection To Hp 2334/5 Modem Ports

    RS-232 connection RS-232 Modem connection to HP 2334/5 modem ports This cabling scheme is recommended for connecting HP 2334/5 modem ports to a DTC. Recommended HP cable: HP 40220 to HP2334/5 for printer access (depends upon termtype used HP3000 and upon type of printer).
  • Page 67 RS-232 connection Recommended HP cable: HP 40220 to HP2334/5 for printer access (depends upon termtype used HP3000 and upon type of printer). 25-pin female connector to 25-pin male connector to DTC HP 2334/5 1 - PGND 1 - PGND 2 - RD INPUT 3 - TD OUTPUT...

  • Page 68: Connection

    RS-423 Connection RS-423 Connection RS-423 DB25 Direct connection to RS-423/RS-422 HP terminals, HP Vectra PC’s and HP printers This cabling scheme is recommended for connecting the following devices: HP terminals: HP2392A, HP700/92, HP700/60 HP Vectra interface: 24541B port B HP printers: HP2684A/P, 86A/D, HP33440A/F, 47A/F, 49A, 59A, 41063A, C1200A, C1202A 25-pin male connector to DTC...

  • Page 69: Db25 Direct Connection To Rs-423/Rs-422 Hp 9000 With A Ddp Db25

    RS-423 Connection RS-423 DB25 Direct connection to RS-423/RS-422 HP 9000 with a DDP DB25 This cabling scheme is recommended for connecting to HP 9000 RS-422 or RS-423 ports. 25-pin male connector to DTC 1 - PGND 25-pin male connector to HP 9000 mux 8 - RTS OUTPUT...

  • Page 70: Rj45 Connection To Rs-423/Rs-422 Hp 9000 With A Ddp Db25

    RS-423 Connection DTC - RJ45 DDP<---RJ45 extension--->RJ45 to DB25 adaptor--->Device RJ45 female RJ45 male RJ 45 male connector to DTC connector 25-pin male connector to device connector 1 - RXa INPUT 9 - TX- OUTPUT 2 - RXb INPUT 10 - TX+ OUTPUT 3 - TXa OUTPUT...

  • Page 71: Rj45 Connection To Rs-422 Hp 700/32 Terminal

    RS-423 Connection RS-423 RJ45 connection to RS-422 HP 700/32 terminal This cabling scheme is recommended for connecting to HP 700/32 terminals via RS-422 ports. RJ45 female RJ45 male 6-pin male MMJ connector to RJ 45 male connector to DTC connector connector HP 700/32 1 - RXa...

  • Page 72: Protocol Analyzer Connection

    Protocol Analyzer connection Protocol Analyzer connection RS-232 POD connection This cable is placed between the DDP RJ45 port and the device. RJ45 female connector RJ 45 male connector to DTC RJ45 extension cable 1 - RD INPUT 3 - TD OUTPUT 4 - CTS INPUT...

  • Page 73: Pod Connection For Rs-423 Signals

    Protocol Analyzer connection RS-449 POD connection for RS-423 signals This cable is placed between the DDP RJ45 port and the device. RJ45 female RJ45 male connector connector RJ 45 male connector to RJ45 extension cable 1 - RXa INPUT 2 - RXb INPUT 3 - TXa OUTPUT...
  • Page 74 Protocol Analyzer connection...

  • Page 75: Making Your Own Cables

    Making your own cables This chapter includes advice which you may find useful when making your own cables to connect devices to ports on the Modem Distribution Panel, the Direct Distribution Panel, and the 24-port RJ45 Direct Distribution Panel. You will also find some background information concerning the RS-232, RS-422, and RS-423 standards.

  • Page 76: Guidelines For Application

    A note on standards Guidelines for application The RS-422 and RS-423 standards do not specify maximum distances or maximum data rates for connecting cables. These standards do, however, include “Guidelines for application” which give conservative values for maximum cable length and data rates based upon the following cable type: •...
  • Page 77 A note on standards RS-423 The RS-423 standard (also known as CCITT V.10) has a maximum data transmission rate of 100 kBaud at distances up to 250 feet/80 meters. It can be used at a maximum distance of 4000 feet/1200 meters at data rates less than or equal to 5 kBaud.

  • Page 78: Rs-422/Rs-423 Compatibility

    A note on standards RS-422/RS-423 compatibility RS-422 and RS-423 are both compatible since they specify the same electrical characteristics for the receiver. However, when connecting devices with different baud rate and distance capabilities, the connection is limited to the baud rate and distance supported by the device with the slower/shorter distance specification.

  • Page 79: Wiring

    RS-422 and RS-423 are intended for long-distance connections in datacommunications applications. These long distances make the use of prefabricated cables difficult and uneconomical. Consequently, there are presently no RS-422 or RS-423 datacommunication cables available from Hewlett-Packard. Instead, cables must be made using the advice provided in this document.

  • Page 80: Environmental Effects

    A large ground potential difference may cause permanent damage to a system or to peripherals. Whilst Hewlett-Packard equipment is protected against this kind of damage, no such protection can be one hundred percent effective.

  • Page 81: Dtc And Standard Cables

    DTC and standard cables DTC and standard cables The DTC 72MX and DTC 16xx family provide RS-232-D or RS-423 ports with RJ45, DB25 or Telco 50-pin connectors. The DTC units support the distances provided by the RS-232/RS-423 standards, given in the table below. Additionally, HP has tested, in favourable environmental conditions, the distances given in the final column of the table below.

  • Page 82: Dtc Connectors

    DTC Connectors DTC Connectors DTC 62-pin connector This connector can be purchased from AMP. HDP-22 Plug Connector Plug Enclosure Kit Number 748476-1 Pin Contact Number 748333-2 AMP Insertion/Extraction Tool 91285-1 AMP Hand Crimping Tool 543344-1 AMP Shielding Enclosure Expansion Tools 58241-1,2 MALE FEMALE...

  • Page 83: Ddp 50-Pin Telco Connector

    DTC Connectors DDP 50-pin Telco connector MALE FEMALE MDP 9-pin connector MALE FEMALE...

  • Page 84: Ddp Rj45 Connector

    DTC Connectors DDP RJ45 connector MALE 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 FEMALE 34-pin V.35 connector MALE FEMALE...

  • Page 85: Dtc Mdp And Ddp Db25 Connector

    DTC Connectors DTC MDP and DDP DB25 connector MALE FEMALE 15-pin AUI connector MALE FEMALE DB25 to RJ45 adaptor 8 7 6 5 4 3 2 1...

  • Page 86: Dtc Connector Pinouts

    DTC Connector Pinouts DTC Connector Pinouts DTC 25-pin direct connect RS-232 1 - PGND 2 - RD INPUT 3 - TD OUTPUT 7 - SGND 8 - RTS OUTPUT 22 - CTS INPUT DTC 25-pin modem connect RS-232 1 - PGND 2 - RD INPUT 3 - TD...

  • Page 87: Dtc 25-Pin Direct Connect Rs-423

    DTC Connector Pinouts DTC 25-pin direct connect RS-423 1 - PGND 8 - RTS OUTPUT 22 - CTS INPUT 15 - TXb OUTPUT 17 - TXa OUTPUT 19 - RXb INPUT 25 - RXa INPUT DTC RJ-45 direct connect RS-232 1 - RD INPUT 3 - TD...

  • Page 88: X.25 Interface

    DTC Connector Pinouts V.35 X.25 interface 103a TXA 103b TXb 104a RXa 104b RXb 113a TSEb/DTE 113b TSEb/DTE 114a TSEa/DCE 114b TSEb/DCE 115a RSEa/DCE 115b RSEb/DCE 105 RTS 106 CTS 109 DCD 108 DTR 107 DSR 125 RI 102 SG 102b RC - CA - CB...

  • Page 89: Rs-232-D X.25 Interface

    DTC Connector Pinouts RS-232-D X.25 interface 103 TX 104 RX 113 TSE/DTE 114 TSE/DCE 115 RSE 105 RTS 106 CTS 109 DCD 108 DTR 107 DSR 125 RI 102 SG 101 SHIELD...

  • Page 90: Cabling Tips

    Cabling Tips Cabling Tips You may find the advice in this section useful when making your own cables, planning a cabling scheme and making cable connections. Twisted pair cables When connecting twisted pair cables to cross-connect blocks, keep each pair twisted all the way up to the connecting pins of the cross-connect block.

  • Page 91: Adapting To Cabling Systems

    Adapting to Cabling Systems This chapter provides information for using a HP DTC unit with the following cabling systems: • ATT356A • 10BaseT • ATT258A A DTC unit can be linked to devices, such as terminals or printers, using any of the cabling systems listed above.

  • Page 92: Dtc-To-Work Area Using Cross-Connect Blocks And Rj45 Patch Panels

    DTC-to-Work Area using Cross-Connect Blocks and RJ45 Patch Panels DTC-to-Work Area using Cross-Connect Blocks and RJ45 Patch Panels DTC to Work Area using RJ45 Patch Panels DTC to Work Area using Cross-Connect Blocks...

  • Page 93: Adapting To Att356A Cabling System

    Adapting to ATT356A cabling system Adapting to ATT356A cabling system ATT356A is a cabling system using 6 wires per port and provides 8 ports per 25 pair cables (or 50-pin telco-like connectors). The DTC is directly compatible with the ATT356A cabling system, providing 8 direct connect RS-232 or RS-423 ports on a 50-pin connector.
  • Page 94 Adapting to ATT356A cabling system ATT356A DTC Pin # on Port number - Port number - Pin # on Pin # on RJ45 50-pin RS-423/RS232 Jumpers RS-423/RS-232 50-pin connector connector signal signal connector P4 - CTS <---------> P4 - CTS P4 - RXa/RD <--------->...
  • Page 95 Adapting to ATT356A cabling system This conversion can also be achieved using RJ45 patch panels: 6-wire ATT356A RS-423/RS-232 ATT356A RS-423/RS-232 Pin # on RJ45 Pin # on RJ45 Pair signal signal cable connector connector jumpers RXa/RD <---------> RXa/RD RXb/- <---------> RXb/- TXa/TD <--------->...

  • Page 96: Adapting To A 10Baset Cabling System

    Adapting to a 10BaseT cabling system Adapting to a 10BaseT cabling system The 10BaseT cabling system uses 4 wires per port and provides 12 ports on a 25 pair cable (or on a 50-pin telco-like connector). The DTC provides 8 direct connect RS-232 or RS-423 ports on a 50-pin connector. The following table provides a cabling conversion using cross-connect blocks (punch down blocks) from ATT356A to 10BaseT.
  • Page 97 Adapting to a 10BaseT cabling system 10BaseT DTC Pin # on Port number - Port number - Pin # on Pin # on RJ45 50-pin RS-423/RS232 Jumpers RS-423/RS-232 50-pin connector connector signal signal connector P4 - RTS P4 - CTS P4 - RXa/RD <--------->...
  • Page 98 Adapting to a 10BaseT cabling system 10BaseT DTC Pin # on Port number - Port number - Pin # on Pin # on RJ45 50-pin RS-423/RS232 Jumpers RS-423/RS-232 50-pin connector connector signal signal connector P7 - TXa/TD P7 - TXb/SGND P7 - RXa/RD P7 - RXb/- P7 - TXa/TD...

  • Page 99: Adapting To An Att258A Cabling System

    Adapting to an ATT258A cabling system Adapting to an ATT258A cabling system The ATT258A cabling system uses 8 wires per port and provides 6 ports per 25 pair cables (or 50-pin telco-like connectors). The following table provides a cabling conversion using cross connect blocks (punch down blocks) from ATT356A to ATT258A.
  • Page 100 Adapting to an ATT258A cabling system ATT258A DTC Pin # on Port number - Port number - Pin # on Pin # on RJ45 50-pin RS-423/RS232 Jumpers RS-423/RS-232 50-pin connector connector signal signal connector P3 - TXb/SGND <---------> P3 - TXb/SGND P3 - Not Used P3 - Not Used P4 - RTS...
  • Page 101 Adapting to an ATT258A cabling system This conversion can also be achieved using RJ45 patch panels: ATT258A ATT258A RS-423/RS-232 8 wire RS-423/RS-232 Pin # on RJ45 Pin # on RJ45 Pair signal signal cable connector connector jumper RXa/RD <---------> RXa/RD RXb/- <--------->...
  • Page 102 Adapting to an ATT258A cabling system...

  • Page 103: Connecting To An X.25 Network

    Connecting to an X.25 Network There are two types of X.25 boards available for installation in the DTC 72MX. Each is supplied with an appropriate cable. Interface Product/Option Cable supplied Max. length RS-232-D HP J2079A HP 5061-4958 15 meters #1CW V.35 HP J2079A #1CX HP 28606-63003...

  • Page 104: Cable

    V.35 Cable V.35 Cable Part Number 28606-63003 103a 103b 104a 104b 113a TSEa/DTE 113b TSEb/DTE 114a TSEa/DCE 114b TSEb/DCE 115a RSEa/DCE 115b RSEb/DCE 102b SHIELD V.35 CONNECTOR...

  • Page 105: Rs-232-D Cable

    RS-232-D Cable RS-232-D Cable Part number 5061-4958 TSE/DTE TSE/DTE TSE/DCE TSE/DCE SHIELD SHIELD SUB D 25 PIN MALE SUB D 25 PIN MALE CONNECTOR CONNECTOR DTE-SIDE DCE-SIDE...
  • Page 106 RS-232-D Cable...

  • Page 107: Supported Lan Cables And Transceivers

    Supported LAN Cables and Transceivers The DTC can be connected to a Local Area Network via the BNC connector or via the 15-pin Attachment Unit Interface connector. The BNC connector supports connection to ThinLAN networks. The AUI connector can be used to connect via transceivers to ThickLAN, EtherTwist 10BaseT, or Fiber-Optic networks.

  • Page 108: Supported Transceivers

    Supported Transceivers The following transceiver units are recommended: HP 30241A ThickLAN Medium Attachment Unit • compatible with IEEE 802.3 Type 10Base5 networks HP 28685A EtherTwist Medium Attachment Unit • compatible with IEEE 802.3 Type 10BaseT networks HP 28683A Fiber-Optic Transceiver •...

  • Page 109: Glossary

    Glossary asynchronous processor board A board to which asynchronous devices are connected. asynchronous device A terminal, PC in terminal emulation, printer, plotter, modem, etc. Attachment Unit Interface, the interface for a ThickLAN connection. Direct Distribution Panel. HP product number J2085A #102 or #103 (RJ45), for direct connections only.
  • Page 110 Glossary...

  • Page 111: Index

    Index V.35 Numerics CCITT V.10 1.1 meter system rack CCITT V.11 dimensions 1.6 meter system rack common mode voltage electrical standards 16-port RJ45 Direct Distribution Panel connectors labels 34-pin V.35 racking AUI 15-pin 24-port RJ45 Direct Distribution Panel DDP 50-pin labels supported cables DDP RJ45...
  • Page 112 Index standard cable lengths system racks 1.1 meter 1.6 meter DTC racking order EIA units guidelines for racking systems non-HP populating power supply product numbers rails rear door twisted pair cables typical configurations V.35 cable X.25 boards...

  • Page 113: Documentation Map For Hp Dtc 72Mx And Hp Dtc 16Xx Family

    Documentation Map for HP DTC 72MX and HP DTC 16xx family Hardware Installation HP DTC 72MX Communication DTC 16TN TelnetTerminal Server, Server Installation Guide DTC 16iX LAN Multiplexer & DTC (J2070-90001) 16MX Communications Server Installation Guide (5959-4986) For PC-based Management HP OpenView DTC Manager 14.1 HP DTC Network Planning Guide Using HP OpenView DTC Manager...
  • Page 114 © Copyright 1998 Hewlett-Packard Company Order Number Printed in 5961-0373 Manufacturing Part Number 5961-6410 Mfg. number is for HP internal use only Paper not bleached with chlorine...

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