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HP DTC Datacommunications and Terminal Controller family, Technical Data
Product Number J2060A, J2062A, J2085A, J2070A, J2076A, J2077A, J2079A,
J2080A, 2345A/2346A/B/C/D/E/F, 2348A, 2340A, 2343A/C/DJ2120A, D2355A,
J2123A
Introduction
The DTC solution consists of a family of LAN-based Communication and
Terminal Servers as well as a scalable family of network management
products.
[Figure: HP DTC Family, Caption: none]
It is HP's solution for providing asynchronous connectivity to HP and
non-HP systems for local and remote devices
(terminals or PCs in terminal emulation mode, printers, modems).
It delivers location-independent end-user access to single or multiple
HP 3000/900, HP 9000 and any system running the standard Telnet-TCP/IP
protocol over several options of LANs and over X.25 networks using PAD
services.
The routable implementation of TCP/IP within the DTC provides the
access through IP routers in extended LAN environments.
Systems are primarily accessed directly via system LAN links or
secondarily through system asynchronous ports via the extended switching
configuration (back-to-back) for systems that do not implement the
Telnet-TCP/IP or HP 3000/900 protocols.
The DTC also supports Telnet-TCP/IP Access and X.25 system-to-system
networking for the HP 3000/900 systems.
Key features
o Scalable family of terminal servers and network management services.
o Support of standard Telnet-TCP/IP and high performance protocols for
demanding OLTP applications on HP 3000/900 and HP 9000 systems.
o Designed for ease of use, and simple system and network integration.
o Location independent access.
o Compatible API with HP 9000 system asynchronous multiplexers.
o Managed under HP OpenView Windows environment, or from an HP system
(HP 3000/900 or HP 9000/800).
o Supports Telnet Access for HP 3000/900 systems.
o Supports X.25 communications for HP 3000/900 systems.
o Supports remote X.25 PAD access to HP 3000/900 systems and other
systems running Telnet-TCP/IP.
o Supports an SNMP agent (delivery mid 93)
o Provides comprehensive support tools for increased supportability and
uptime.
Content
This datasheet, provides an overview of the DTC products and management
capabilities, and serves as a selection guide for the DTC products. It
also includes the support and cabling information for the DTC products.
For more information on individual DTC products and on the services
supported on each platform, refer to the individual product datasheets:
DTC 16TN: HP J2060A
DTC 72MX: HP J2070A
DTC 16iX: HP J2062A
DTC16: HP 2340A
DTC48: HP 2345A
DTC Management: HP D2355A
HP J2120A
X.25 iX Network Link: HP J2079A
HP 3000 Telnet Access: HP J2080A
(also included in the Networking Communications Specification Guide).
Also refer to the DTC documentation table at the end of this datasheet.
The DTC Server Family
The DTC 16TN: J2060A
The DTC 16TN is a high-performance Telnet Terminal Server for HP 9000
systems and any system running the standard Telnet-TCP/IP protocols.
It provides 16 RS-232 or RS-423 asynchronous ports in a "plug & play"
pre-configured package. With an industry-standard width of 19-inches, it
can easily be installed on a tabletop, be wall-mounted or rack-mounted.
The DTC 72MX: J2070A
The DTC 72MX is a modular high-performance communication server for
HP 3000/900 systems and for multivendor environments including
HP 3000/900, HP 9000/800, and any system running the Telnet-TCP/IP
protocol.
In the 3 available slots of the industry-standard 19-inch chassis, the
DTC 72MX can support a combination of 24-port RS-232 or RS-423
Asynchronous Processor Boards (up to 3), X.25 boards (up to 3) and one
Telnet Access Card.
The DTC 16iX: J2062A
The DTC 16iX is used exclusively in HP 3000/900 standalone environments.
It is a LAN-attached multiplexer-like product and provides 16 RS-232
or RS-423 asynchronous ports in a "plug & play", pre-configured package.
With an industry-standard width of 19-inches, it can easily be
installed on a tabletop, be wall-mounted or rack-mounted.
The DTC16: 2340A
The DTC16 is a communication server for HP 3000/900 systems and for
multivendor environments including HP 3000/900 systems, HP 9000/800 plus
other systems running the Telnet-TCP/IP protocol.
It supports up to 16 RS-232 asynchronous connections plus an optional
X.25 link.
The DTC48: 2345A
The DTC48 is HP's first generation of communication server providing
asynchronous and X.25 connectivity for HP 3000/900 systems and for
multivendor environments including HP 3000/900 systems, HP 9000/800 plus
other systems running the Telnet-TCP/IP protocol.
In the 6 available slots, the DTC 48 can support a mix of 6 or 8-port
RS-232 or RS-422 asynchronous boards (up to 6) and X.25 boards (up to 3)
or a mix of asynchronous boards (up to 6) and one Telnet Access Card for
HP/900 systems.
The DTC management software.
The DTC products are configured and managed with the use of a DTC
Manager application that can run on three different platforms:
HP 3000/900, HP 9000/800, or PC OpenView Windows.
o With the DTC host-based management, a simple terminal connected
locally or remotely to the HP 3000/900 or HP 9000/800 system is used
to manage DTCs. It provides a user interface similar to other system
administration tools.
- The HP 3000/900-based DTC management software provides a means to
configure DTCs for use in HP 3000/900 standalone environments.
- The HP 9000/800-based DTC management software provides a means to
configure DTCs in HP 9000 standalone or multisystem Telnet-TCP/IP
environments.
o The HP OpenView (PC-based) DTC Manager software provides an
easy-to-use graphical user interface, to manage DTCs. It is possible
to integrate other management applications of network elements (such
as HP X.25 Switches & PADs) on the same OpenView Windows workstation.
HP OpenView DTC Manager provides a means to configure DTCs for use
to connect to HP 3000/900 or HP 9000/800 systems and to other systems
in Multivendor environments. It provides powerful network management
features for complex network topologies.
In both host-based and PC-based environments, the DTC software is
downloaded from the management platform, allowing easy distribution and
control of the DTC software.
DTC SNMP agent
Besides the services provided by the DTC management platforms, the
DTC-based SNMP agent (delivery Mid 93) will allow customers to take
advantage of SNMP-based management applications such as the HP OpenView
Network Node Manager.
The following features are available with Node Manager:
o Automatic discovery of DTCs.
o Status/Colors management. The DTCs are automatically polled on a
regular basis and the status color is reflected on the map.
o MIB loader/browser. It provides display of MIB values in text or
graphical form and the capability to modify them if permitted by the
DTC
o MIB application builder. It enables users to build applications
dealing with DTC MIB objects
o Historical data reporting for troubleshooting and network planning.
The DTC SNMP agent will be supported on all DTC hardware and
configurable from all the DTC management platforms.
DTC family highlights
High Performance
Built upon a powerful architecture, the DTC products deliver a high
throughput to the end-users. In addition, the DTCs support high
performance protocols for demanding commercial applications:
o an optimized High performance protocol (AFCP) for OLTP applications
running on the HP 3000/900 system,
o Telnet/OLTP, a standard-based High Performance Telnet (running
concurrently with the standard Telnet) which significantly reduces the
HP 9000 CPU usage and network traffic thus delivering an unsurpassed
performance for HP 9000 transaction-oriented applications in
networked environments.
Note: Requires the Telnet/OLTP software to be installed on the HP 9000
system.
Ease of use
o The DTCs are designed to be quickly and easily installed either in
standard 19-inch cabinets or on table-top, or wall-mounted. The DTC
16TN, for example, is customer installable.
o For standard connectivity and low-cost cabling, the DTC 16TN, DTC 16iX
and DTC 72MX have RJ-45 connectors.
o The DTC ease-of-use features include:
- Auto-sensing LAN attachment
- Automatic default configuration
- Auto-range power supply
- Automatic Self-tests
- Automatic connection establishment to a predefined host,
configurable per DTC port
- Diagnostic tools
- Self-explanatory DTC user interface
Location-independent access
The DTC family provides location-independent access for end-users. This
means that most of the services provided to local users connected on a
DTC port are also available to remote users accessing the DTC16 or DTC
72MX via the X.25 network.
Application interface compatible with HP 9000 system multiplexers
The DTC products use standard systems calls to access and control the
DTC ports. This presents HP-UX applications with a programmatic
interface that is almost identical to the interface to asynchronous
systems MUX ports, thus allowing an easy migration from MUX to network
environment.
This includes:
o DTC port identification
o Host initiated sessions (printing, programmatic access) to DTC ports
via standard device files
Family connectivity
Asynchronous connectivity
o RS-232 Direct or Modem ports
o RS-423 Direct for long distance cabling
o Line speed up to 38.4kb/s with speed and parity sensing
o DB-25 and RJ-45 female connections
o Xon/Xoff and Hardware flow-control on Direct ports, and FULL Modem
control (CCITT V.24) on modem ports.
o Multi-session per port (up to 5)
o Device/printer sharing between multiple HP systems with a queuing
mechanism.
LAN connectivity
o ThinLAN, Standard 802.3 AUI 15-pin for use with ThickLAN, EtherTwist,
10Base-T, Fiber Optic.
o 802.3/Ethernet
o Broadband, FDDI connectivity through external adapters
o Telnet-TCP/IP protocols
o High performance Telnet/OLTP protocol
o Symbolic addressing (DNS and HP-NS)
o IP addressing
o High performance protocol (AFCP) for HP 3000/900 systems.
X.25 connectivity
o X.25 CCITT-84
o PAD support (incoming calls) to access HP 3000/900, HP 9000 & systems
running Telnet-TCP/IP
o Selectable PAD Support profiles
o Closed User Group X.25 facility
o Access authorization features
o X.25/PAD Support auto-restart on powerfail
o Outgoing X.25 calls via an external PAD (HP2335A) connected to DTC
port(s).
o Remote printer support
Telnet access to HP 3000/900
The Telnet/iX product based on the optional HP 3000 Telnet Access Card
of the DTC 72MX or DTC48, provides end-users on Terminal Servers, PCs,
workstations, and systems running Telnet-TCP/IP with access to
HP 3000/900 applications. Based on a protocol conversion between
Telnet-TCP/IP and the optimized HP 3000/900 protocol, the Telnet/iX
implementation is routable and allows sharing of one Telnet Access Board
between multiple HP 3000/900 systems on the same LAN.
o Supported applications:
- VPlus applications with HP2392 compatible terminal or terminal
emulation,
- User block mode,
- Line mode,
- Character mode.
o Specific features:
- Binary mode, Simple type ahead.
Management services
A broad set of management services are available to increase
productivity, network uptime and security. They are all available under
the HP OpenView (PC-based) DTC manager application, with a subset being
provided under Host-based management. Refer to the DTC Management
datasheet for details. The services available include:
Configuration management
o Automatic default configuration
o Copy and Paste function to duplicate configurations
o Dynamic reconfiguration of ports
o DTC download from the management server allowing centralized software
updates.
Fault management
o Reset of DTC, boards, port
o Status monitoring
o Event monitoring and logging
o Automatic Alarm reporting
Security management
o Password access to the DTC manager
o Operator security levels
o Enable/Disable switching and multisession on a per DTC port basis
o Pre-defined default host access
o Configurable access for PAD users
Selecting the DTC for each system environment
The following table shows the possible choices among the different DTC
products depending on the system access required or on some specific
features. Select the DTC product and the DTC management platform that
support your system environment and any given functionality.
When several DTCs can be used for a particular environment the
following factors can be considered in choosing the different products:
o the DTC 16TN is the primary choice for distributed connectivity in
HP 9000 and Telnet-TCP/IP environments.
o the DTC 72MX is the high-end of the DTC family supporting high port
count concentrations in mixed HP 3000/900 and HP 9000 environments. It
is the right choice when X.25 or HP 3000 Telnet Access is required.
o the DTC 16iX is the solution for low-end HP 3000/900 in single system
environments
o the DTC16 is HP's low port count multi-protocol solution ideal for
mixed HP 3000/900 and HP 9000 environments.
DTC Product Selection
------------------------------------------------------------------------
An "X" in the table indicates
that the DTC product can be
chosen for the DTC 16TN DTC 72MX DTC 16iX DTC16 DTC 48
environment listed. J2060A J2070A J2062A 2340A 2345A
------------------------------------------------------------------------
Need access to system(s)
Single HP 3000/900 -- X X X X
Single HP 9000/800 X X -- X X(**)
Systems without LAN or
Telnet-TCP/IP(back-to-back) X X -- X X
Multiple HP 3000/900 from 1 DTC -- X -- X X(**)
Multiple systems running X(*) X -- X X(**)
Telnet-TCP/IP
Includes HP 9000 systems (/800, /300, /400,
/700) HP1000 and non-HP systems
Multiple systems X(*) X -- X X(**)
Includes HP 3000/900,
HP systems (800, 300, 400, 700, HP1000)
and non-HP systems (running Telnet-TCP/IP)
X.25 for HP 3000/900 -- X -- X X
(PAD-Support and system-to-system)
X.25 PAD-Support to -- X -- X X(**)
multiple systems
(HP or non HP running Telnet-TCP/IP)
------------------------------------------------------------------------
Specific capabilities
Max line speed 38.4 38.4 38.4 19.2 19.2
kb/s kb/s kb/s kb/s kb/s
RJ-45 connectors X X X -- -
(direct connect only)
Hardware handshake on X X X -- -
direct ports
Long distance cabling RS-423 RS-423 RS-423 -- RS-422
Full modem support X X X X X
X.25 board: # virtual circuits -- 256VC -- 32VC 256VC
/board /board /board
maximum line speed 19.2/64 -- 19.2 19.2/64
kb/s kb/s kb/s
Binary mode transfer over X X -- X X
asynchronous ports
Telnet Access for HP 3000/900 -- X -- -- X
SNMP agent (expected Mid 93) X X X X X
------------------------------------------------------------------------
(*) Requires the HP 3000 Telnet Acces Card in one DTC 48 or DTC 72 MX
for the HP 3000/900 access
(**) DTC48 with date code less than 3110 requires a DTC upgrade kit
(2348A) to be supported from an HP 9000/800 system or to benefit
from advanced features of DTC releases after 6.0 of OpenView DTC
manager
------------------------------------------------------------------------
DTC Management platform selection
------------------------------------------------------------------------
An "X" in the table
indicates that the
DTC Management platform HP OpenView
can be chosen based) HP 3000/9000 HP 9000/800 (PC
for the environment listed. (in the FOS) J2120A 32054D #201
D2355A
------------------------------------------------------------------------
Need access to system(s)
Single HP 3000/900 X -- X
Single HP 9000/800 -- X X
Systems without LAN or Telnet-TCP/IP -- -- X
(back-to-back)
Multiple HP 3000/900 from one DTC -- -- X
Multiple systems running Telnet-TCP/IP -- X X
Includes HP 9000 systems (/800, /300, /400,
/700) HP1000 and non-HP systems
Multiple systems -- X X
Includes HP 3000/900,
HP systems (800, 300, 400, 700, HP1000)
and non-HP systems (running Telnet-TCP/IP)
X.25 for HP 3000/900 X(*) -- X
(PAD Support and system-to-system)
X.25 PAD Support to multiple systems -- -- X
(HP or non HP running Telnet-TCP/IP)
------------------------------------------------------------------------
(*) Single system only.
For specific management features, refer to the DTC Management datasheet.
-----------------------------------------------------------------------
Documentation
Refer to the following documentation for more information on the DTC:
To plan DTC usage:
D2355-95017 The DTC planning guide
To install:
02340-90001 DTC16 Installation Guide
02345-90001 DTC48 Installation Guide
5959-4986 DTC 16TN Installation Guide
52070-90001 DTC 72MX Installation Guide
D2355-90013 DTC Manager Software Installation and Upgrade Guide
To use:
D2355-90001 Using HP OpenView DTC Manager
J2120-6200 Using the DTC Manager/UX.
32022-61005 Using the Node Management Services (HP 3000)
32022-9004 Configuring Systems for terminals, Printers and other serial
devices
B1014-90012 DTC device File Access utilities reference manual
D2355-95019 The DTC Technical Reference Guide
Support Policy and Installation Responsibilities
DTC products
The J2060A (DTC 16TN) is customer installable, however HP can install it
at HP time-and-materials rates.
Hewlett-Packard will install the HP 2340A (DTC16), J2070A (DTC 72MX)
and any add-on boards. Hewlett-Packard will verify the DTC operation by
running the selftest, configuring any add on board to the minimum
default configuration necessary to verify software and hardware
functionality and verifying that the DTC can be used to establish a
system connection. Before HP installs the DTC the customer should
install all cabling leading to the DTC.
The customer should install all the necessary system software,
configure it and run it prior to the DTC installation.
HP 3000/900 DTC Management
Host-based DTC management on HP 3000/900 systems is part of the
fundamental operating system, and is installed and supported as such.
HP DTC Manager/UX
HP DTC Manager/UX (J2120A) is customer installable. It is the customers
responsibility to install updates to J2120A. The HP DTC Manager/UX runs
on HP 9000/800 computer systems with HP-UX Release 8.0 or later.
HP D2355A OpenView DTC Manager
HP D2355A and product updates are customer installable. It is also the
customers responsibility to install the HP OpenView Windows Workstation
(HP 32054D) or equivalent (see below). HP can perform these services at
HP time-and-materials rates.
The following PCs are supported for HP OpenView DTC Manager
installations: any HP vectra 286,386,486; IBM PS/2 model 55 and
model 50; COMPAQ DeskPro 386/20.
Support Services
DTC managed by the HP OpenView DTC Manager
HP offers a number of support services. With the purchase of these
support services, customers are entitled to free updates of HP OpenView
DTC Manager software and therefore automatic updating of the code for
their entire DTC installed base (PC based management). In addition to
support for the HP OpenView DTC Manager itself, each support service is
also valid for any amount of terminal switching or X.25 or Telnet iX
access in up to 150 DTCs managed by the HP OpenView DTC Manager.
The support services available for the HP OpenView DTC Manager are as
follows:
H2024A + T00 #0L7 OpenView TeamLine Support
H2025A + H00 #0L7 OpenView ResponseLine Support
H2026A + L00 #0JT HP BasicLine Vectra
H2027A + S00 #0JT HP Software Materials Vectra
Order H2027A + S00 #0JT (specifying D2355A and any amount of other PC
applications eg, AdvanceLink for Windows, etc) plus one of the other
three services for the level of support you require. We recommend you
buy either ResponseLine or TeamLine.
Note: ResponseLine and TeamLine services require a remote support
modem
Remote Support
Remote support of the HP OpenView DTC Manager is provided over Modem
lines, X.25 PADs or IP networks.
The following devices have been tested :
o HP 2335A
o HP 92205A/B
o Hayes Smartmodem -(1200/2400)
o Multitech 224
o Siemens 2425B DX
DTC managed by the HP DTC Manager/UX
The HP DTC Manager/UX is supported under the HP 9000 support services
including TeamLine, ResponseLine, and BasicLine.
Supported Configurations
HP 3000/900 Systems Access
The DTC is supported on the currently supported versions of MPE/iX
(starting with 4.0 Release -plus software kit for the DTC 72MX).
HP 3000/900 Systems Telnet iX Access
Telnet/iX access are supported from HP 9000 System, HP 1000 with RTE and
ARPA services. Also the following non HP systems have been tested:
o DEC VAX (VMS 5.4 and WIN/VMS 5.1)
o SUN SparcServer OS 4.1
o IBM OS2 with TCP and Reflection 1
o APPLE with MACTCP 1.01
Refer to the HP 3000 Computer System Configuration Guide for more
information.
HP 9000 System and ARPA System Access
The DTC supports all HP applications and asynchronous devices supported
by the Telnet link on the HP 9000 system. The access through DTC is
supported on HP-UX 7.0 and later.
Refer to the HP 9000/800 Systems and Workstations Configuration Guide
for detailed information.
The DTC conforms to the multivendor standards protocols and has been
tested with the following ARPA computers.
o DEC VAX (VMS 5.4 and WIN/VMS 5.1)
o SUN SparcServer OS 4.1
o HP1000 with ARPA and RTE-A 5.2 or later
o HP 9000/1500 with UXTI 3.3.1
HP also offers a comprehensive program of testing of non HP systems,
please contact your local HP Representative.
Extended switching (back to back configuration)
The DTC has been tested and is supported with the following HP and non
HP systems:
o HP 3000 MPE/V System with:
o HP ATP (Pass 3, 5, or 6) or ATP/M
o MPE/V, release V-delta-7 or later
o HP 9000 Series 800 system with a Channel I/O Asynchronous Multiplexer
o DEC VAX system with:
- DMF-32, DZV11 multiplexers, or
- DECServer 200 terminal server (DSRVB-M)
- VMS, release 5.2 or later- Cable: DEC BC22E 25-pin/25-pin m/f
Supported devices
Modems
The DTC supports a wide range of asynchronous modems based on the V22bis
standard. The following modems have been tested.
o HP 37212A, HP 35016A, HP 35141A, HP 92205A, HP 92205B, HP 92205J
o BELL 212A
o Hayes Smartmodem 1200
o Hayes Smartmodem 2400
o Racal-Milgo MPS 1222
o AJ 1212 AD1
o Multitech V32 MT932EF
o Alcatel MD9633 T110
End user Access with statistical multiplexers
The DTC (with X.25 Board) has been tested with the following
HP statistical multiplexer:
- HP 2335A and HP 2334A Plus X.25 Multiplexer, version 4.0 or later
Supported LAN Devices
All HP lan devices such as Repeaters, Hubs, bridges and Routers are
supported for transfer of data across LAN.
Notes: The DTC does not support transfer via level 2 bridges losing
more than 1% of large (1500-byte) packets.
Note: One DTC manager is needed per LAN segment when using routers.
HP has tested the following non HP devices:
o VITALINK TransLAN III and 350
o Siecor EOT-322 Fiber Optic Transceiver
o CISCO Gateway Server
o Proteon P9100+ Router
Dataswitches and PBXs
The following data switches and PBXs have been tested with the DTC:
o MICOM INSTANET
o EQUINOX DS15
o GANDALF PACX 2000
o AT&T System 85
o NTI Meridian SL-1
DTC Supported devices
The DTC has been tested with the following devices and cables
------------------------------------------------------------------------
DTC16, DTC16TN, DTC48
DTC16iX, DTC72MX
RS232/ RS232/ RS232/ RS232/ RS422/
DB25 DB25 DB25 3pins 5pins
Modem Direct Modem Direct Direct
------------------------------------------------------------------------
DEVICE CABLE
HP2392A/93A/94A/97A 40234A 40242Y 40234A 40242X 40242P
HP700/22/32/43/45 40234A 40242Y 40234A 40242X 40242P
HP700/92/94/96/98 40234A 40242Y 40234A 40242X 40242P
HP150X 40234A 40242Y 13242M/N 40242X 40242P
HP 3081A,3082A/B 40234A 40242Y 13242M/N 40242X 40242P
HP2622A/23A/24B/27A N/A 13222Y 13222M/N 13222X 13222P
HP2625A/24B (port2) 40234A 40242Y 13242M/N 40242X N/A
Portable+ 92221M 92221M 92221M N/A N/A
------------------------------------------------------------------------
HPVectra (9pins)
24540B /ptA 24542M 24542M 24542M N/A N/A
24541B/ptA 24542M 24542M 24542M N/A N/A
C2401A 40234A 40242Y 40234A 40242X 40242P
C2402A 40234A 40242Y 40234A 40242X 40242P
C1010J 40234A 40242Y 40234A 40242X 40242P
C1010T 40234A 40242Y 40234A 40242X 40242P
------------------------------------------------------------------------
Printers and Plotters
P7550A 17355D 17355D 17355D 30152A N/A
HP2227A,28A,76A,77A 40234A 40242Y 40234A 40242X N/A
HP2562A,63A/B/C, 40234A 40242Y 40234A 40242X N/A
64A/B/C
HP2932A,33A,34A 40234A 40242Y 40234A 40242X N/A
HP2684A/P,86A/D 40234A 40242Y 40234A 40242X 40242P
HP 33440A/F,47A/F, 40234A 40242Y 40234A 40242X 40242P
49A,59A
41063A 40234A 40242Y 40234A 40242X 40242P
C1200A 40234A 40242Y 40234A 40242X 40242P
C1202A 40234A 40242Y 40234A 40242X 40242P
------------------------------------------------------------------------
Modems
40233A N/A
40233A N/A N/A
------------------------------------------------------------------------
Extended switching
HP2334A,35 PADs to
- terminal 40221A 40221A 40221A N/A N/A
- printer 40220A 40220A 40220A N/A N/A
HP2342A HP TS8 30062B 30062B 30062B N/A N/A
HP 3000 ATP,ATPM 40233A 40233A 40233A 40230A N/A
(25pin)
HP 9000 Mux 40233A 40233A 40233A 40230A N/A
HP 3000 ATP,ATPM 40230A 40230A 40230A 40232A N/A
(3pin)
------------------------------------------------------------------------
The DTC16TN, DTC16iX, and DTC72MX also provide RJ-45 connections
compliant with ATT 356A.
The DTC16TN and DTC72MX RS423 connections are available on DB25 and
RJ-45.
Other RS232C devices may be attached to the DTC. HP does not guarantee
proper operation of the device, however you may contact your local
HP representative for special support agreement.
You may refer to the "HP DTC Cabling and Racking Guide " for more
details.
------------------------------------------------------------------------
From HP Networking Communications Specification Guide, 5091-3821E, 9205,
addendum 0293
Associated files: FAMILY.plt, FAMILY.gal, a3821220.doc
HP DTC Datacommunications and Terminal Controller family, Technical Data