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AE-3435C-TC

January 1978

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Document:	10.65.02 7801 RSX-11M 2780
Order Number:	AE-3435C-TC
Revision:
Pages:	4
Original Filename:	http://bitsavers.org/pdf/dec/spd/10.65.02_7801_RSX-11M_2780.pdf

OCR Text

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Software Product Description
PRODUCT NAME:

RSX-11 M/2780, Version 3

DESCRIPTION:
The RSX-11 M/2780 runs as a privileged task under a
suitably equipped RSX-11 M system (Version 3 or later), providing emulation of an IBM 2780 remote
batch terminal. It will support transmission and reception from/to card reader and line printer, and/or
mass storage devices, such as disk and magnetic
tape. General characteristics of DIGITAL's PDP-11
based 2780 products are given in Section 8 of this
Software Product Description.

The RSX-11 M/2780 will transmit files stored on any
input medium and store files on any output medium
accessible through RSX-11 M Files Control System
(FCS) except DECtape. In addition, files can print on
any line printer supported by the host operating system except the LS11 and LV11 printers. (Such printers can be used in off-line mode, however, wherein
they print files temporarily stored on disk or tape).
MINIMUM HARDWARE REQUIRED:
Any valid RSX-11M system with:

• at least 16K words of memory
• DP11, DU11, or DUP11 Synchronous Line Interface
• KG 11 Communications Arithmetic Element
OPTIONAL HARDWARE:
Any device supported under RSX-11 M FCS except
DECtape.
PREREQUISITE SOFTWARE:
RSX-11 M Version 3 or later.
OPTIONAL SOFTWARE:
None
TRAINING CREDITS:
None
SUPPORT CATEGORY:
A - For initial installation, Software Support will be
provided as stated in the Software Support Categories Addendum to this SPD. Subsequent licenses can
be purchased with Category C support. Sources have
Category C support.
UPDATE POLICY:
Software Updates, if any, released by DIGITAL during
the one (1) year period following installation, will be
provided to the customer for a media charge (includes no installation). After the first year, updates, if
any, will be made available according to the then
prevailing DIGITAL policies.

January 1978

SPD 10.65.2

ORDERING INFORMATION:
This software is furnished under a license for use on
a single CPU and can· be copied and modified (with
inclusion of DIGITAL's copyright notice) only for use
on such CPU, except as may otherwise be provided
in writing by DIGITAL. Standard options with no support services are only available after the purchase of
one supported license. When a software license is
ordered without support services, the category of
support applicable to such software is Category C. A
single-use license only ("0") option is a license to
copy the software product previously obtained under
license, and use such software in accordance with the
licensing provisions of Digital's Standard Terms and
Conditions of Sales. The category of support applicable to such copied software is Category C.

Source and/or listing options are only available after
the purchase of at least one supported binary license
and after a source license agreement is in effect.
The following key (D, E, R, T, Z) represents the distribution media available for the product and must be
specified at the end of the "a" number, i.e., aJD68AD = binaries on 9-track Magnetic Tape.
D
E
R
T
Z

9-track Magnetic Tape
RK05 Disk Cartridge
Microfiche
RK06 Disk Cartridge
No hardware dependency

Standard Options
aJD68 -A- Single-use license, binaries, documentation, support services (RSX-11 M not
included)(media: D, E, T) ,
aJD68 -C- Single-use license, binaries, documentation, no support services (media: 0,
E, T)
aJD68 -0- Single-use license only, no
documentation, no support services
(media: Z)
Source/Listing Options
aJD68 -E- RSX-11M/2780 Sources (media: 0, E,
T)

aJD68 -F- RSX-11 M/2780 Listings (media: R)

Update Options:
Users of RSX-11 M/2780 whose specified Support Category warranty has expired may order under license
the following software update at the then current
charge for such update. The update is distributed in
binary form on the appropriate medium and includes
no installation or other services unless specifically
stated otherwise.
AE-3435C-TC

SPD 10.65.2

RSX-11M/2780, Version 3
-2QJD68 -H- Binaries, documentation, no support
services (media: D, E, T)
Users of RSX-11 M/2780 whose specified Support Category warranty has not expired may order under license the following software update for the then current media charge. The update is distributed in binary
form on the appropriate medium and includes no installation or other services unless specifically stated
otherwise.

QJD68 -W- Binaries, documentation,
services(media: D, E, T)

no support

ADDITIONAL SERVICES:
None

SECTION B: 2780 EMULATOR GENERAL DESCRIPTION
2780 Emulator is the collective name for the set of
software products that allows various DIGITAL operating systems to emulate the operation of an IBM 2780
Model 1 or 2 Data Transmission Terminal with the
multiple record option. Emulation of the 2780 permits
communication between such DIGITAL systems and
(1) the following IBM Remote Job Entry. programs
supporting the device: OS/HASP, OS/ASP, DOSPOWER and OS/RJE, or (2) a second DIGITAL supplied 2780 Emulator.
The following DIGITAL operating systems support the
Emulator for the 2780 Model 2: RSTS/E (CTS-500~,
lAS, RSX-11D, RSX-11M, RT-11 and DECsystem-10 .
In addition, a COS-310 based emulator (Model 1 only), and a LSI-11 based RT-11 (CTS-300) 2780 are
available.
Section A gives the distinguishing features of the particular 2780 Emulator described by this SPD. The remainder of this section describes items common to all
PDP-11 2780 emulators.
OPERATION:
After the system operator starts the 2780 Emulator, it
solicits and responds to console command input.
Transmission: All 2780 Emulators can transmit data
from card readers, if they are present in the system,
and transmit data files from disk storage devices. The
RSTS/E 2780 Emulator has the added capability of
spooling or queueing transmission requests from
timesharing users.

All 2780 Emulators transmit EBCDIC and binary data.
Since the host systems use the ASCII character set,
however, they accept ASCII characters for transmission and then perform automatic character conversion. No conversion is performed on binary data.
The physical units of data that are transmitted are
called blocks. Blocks are divided into logical units
called records. Maximum block size is 400 characters; maximum record size when transmitting to IBM
operating systems is 80 characters, and when communicating with other 2780's or 2780 Emulators, the
record size is variable up to 132 characters. Records
that are less than maximum allowable are either extended to the maximum by blank filling, or transmitted as is, at the user's option. Up to seven (7) records
can be transmitted per block.
2780
1Limited
to
communication.

mode

only

for

PDP-11

Reception: All 2780 Emulators can print received
character data on a line printer, if one is present in
the system. In most cases, the software simulates limited-function vertical format control (VFC) by providing Top of Form (Skip to Channel 1), Print-andSpace-1, -2, or -3 line(s) functions, and skip to channels 2 through 8, all of which cause modulo 8 line
space operation--i.e., skip to the next line which is an
even multiple of 8 from Top-of-Form. Both 64- and
96-character line printers are supported. However,
support of line printers which are too slow to keep up
with the speed of the communications link (i.e., LS11
and LV11) is limited to "off-line" or DIGITAL-toDIGITAL usage, because their speed can cause timeout errors in an IBM system.

All Emulators write files onto disk storage devices. In
such cases, a separate file is created for each received file.
All 2780 Emulators receive EBCDIC or binary data.
They can automatically convert EBCDIC data to ASCII
upon reception, or EBCDIC data can be written to a
file by the use of the binary mode.
Maximum receive block size is four hundred (400)
characters. The maximum receive record size is a
two-character escape code, plus one hundred thirtytwo (132) data characters. Up to seven (7) records
can be received per block.
All Emulators provide automatic answer to dial-in
rings.
Modems and Data Links: All 2780 Emulators support
operation over synchronous data links, in Point-toPoint Contention mode only, at speeds up to 4800
bps (except the LSI-11 Based RT-11/2780 which runs
at 2400 bps). Bell 201 or 208 modems or equivalent
are specified. Operation with other modems is not
precluded, but warranted support does not apply in
these cases.

Data link control characters are supplied automatically by the Emulators. On transmission errors, the Emulators will re-try up to seven (7) times before declaring the link dead.
Configuring PDP-11 2780 Emulator Systems: Configuration requirements for each Emulator are defined in
Section A. Briefly, the PDP-11 2780 Emulators require
the following hardware beyond the standard operating
system configurations:

SPD 10.65 ..2

RSX-11 M/2780, Version 3
-3-

• DP11, DU11, DUP11, or DUV11 Synchronous Line
Interface
• KG11-A Communications Arithmetic Element
(except the LSI-11 Based RT -11 /27BO)
• KW11-L or KW11-P clock
(except the LSI-11 Based RT-11/27BO
• BK words of additional memory beyond the
minimum may be required (refer to Section A)
TRAINING CREDITS:
No training credits are included in the 27BO Emulator
Software License charges. Training courses are not
required in order to operate the product.
SUPPORT CATEGORY:
The initial binary package carries Category A support.
Sources have Category C support.

Installation will be deemed complete in the case of
connection with IBM when:
• The customer's 360/370 configuration includes a
2701 Data Adapter, a 2703 Transmission Control
Unit, a 3704 or 3705 Transmission Controller, or a
System/370 Model 135 Integrated Communications
Adapter.
• A DIGITAL sample procedure included with the
software has been successfully executed.
Installation in DIGITAL-to-DIGITAL operation will be
deemed complete when DIGITAL supplied files can
be successfully transmitted in both directions.

CUSTOMER RESPONSIBILITIES:
BEFORE installation of the SOFTWARE, the customer
must:

1. Obtain, install, and demonstrate operational to
DIGITAL's satisfaction any modems and other
equipment and facilities necessary to interface
to DIGITAL's communications line interfaces and
terminals.
2. Install or have installed all hardware, including
terminals, to be used on the system.
3. Generate for terminal support any and all IBM
systems that will be communicating with the Emulator, to DIGITAL's satisfaction.
4. Make available to DIGITAL personnel all hardware, including communications facilities and
terminals, to be used during installation and acceptance testing for a reasonable period of time
each day as mutually agreed upon by DIGITAL
and customer, until acceptance criteria are satisfied.
5. Provide access privileges and machine time on
any and all IBM systems on which the installation is to be performed.
6. When communicating with IBM, make available
to DIGITAL personnel an IBM 360/370 job
stream with data, to run via the 27BO Emulator
on-line to a 360/370 in accordance with the configuration specifications outlined above.
Delays caused by any failure to meet these responsibilites will be charged at the then prevailing rate for
time and materials.
The following table summarizes some of the features
of the PDP-11 27BO Emulators.

CHARACTERISTIC
EMULATOR NAME

MINIMUM
CONFIGURATION
SUMMARY
(see Secllon AI

HOST
OPERATING
SYSTEM

MAXIMUM
SPEED

OUTPUT
IlEVICES
SUPPORTED

INPUT
DEVICES
SUPPORTED

FORMS
CONTROL
SUPPORTED

SPOOLING
SUPPORTED

MODEMS AND
IBM OPERATING
SYSTEMS
SUPPORTED

RSX-ll0/27BO
RSX-llM/27BO
lAS

Any standard RSX-ll 0
orRSX-llM
configuration With the
following memory
llM-16KW
110 - 56KW
IAS-72KW
DUll. DPll orDUPll.
KGll

RSX-l1D
or RSX-llM

4BOO bps

line printer or any

Card reader or any
other Files-l1 de .... lce
except OECtape

Top 01 Form. Skip 1. 2.
or 3 hnes, Skip modulo
8, HOrizontal forms
control

Yes on reception, No
on transmiSSion

Bell 20B or 201 or
equivalent; OS/RJE.
OS/HASP.
DOS/POWER. OS/ ASP

RSTS/27BO
(CTS-500/27BO)

Minimal RSTS/E or
CTS-500 system
consistent with number
of users and expected
application. plus BK
words of memory.
DUll. OUPll. or OPll.
KGll

RSTS/E
(CTS-SOO)

4BOObps

Line printer or any disk
except fleXible diskette.
magnetic tape (limited)

Card reader or any
disk, magnetic tape
(limited)

Top 01 Form. Skip 1. 2.
or 311ne5. Horizontal
forms control

Yes

Same as above

RT-ll/27BO
(COS-350/27BO)

Disk-based
Foreground)
Background RT ~11 or
COS-350 system with
16K words Of memory.
DUll or DPll or
DUPt1.KWll-l.
KGll-A

RT-ll
(COS-350)

4BOObps

Line printer or any disk
supported by RT -11
(COS-350)

Card reader. paper
tape reader. or any diSk
supported by RT -11
(COS-3S0)

Top of Form. Skip 1. 2.
or 3 hnes. Skip modulo
8. Honzontal forms
control

Same as above

RT -11 (CTS-300)
lSI-27BO

Disk-based
Foregroundl
Background RT -11
system with 16K words
of memory
DUVll. REV-II
(AORC)

RT-ll
(eTS-300)

2400 bps

line printer or any disk
supported by RT -11
(CTS-300)

Any disk supported by
Rllt (CTS-300)

Top of Form. Skip 1.2.
or 3 lines. Skip modulo
B. horizontal forms
control

Same as above

Flles-l1 device except
DECtape and paper
tape punch

. SPD 10.65.2

RSX-11M/2780, Version 3
-4-

ADDENDUM
SOFTWARE SUPPORT CATEGORIES
Each software product (hereinafter 'SOFTWARE') with a designated Support Category A or B in the applicable Software Product
Description (SPD) existing at the time of order will be the current release at the time of delivery and will conform to the SPD.
DIGITAL's sole obligation shall be to correct defects (nonconformance of the SOFTWARE to the SPD) as described below. Any
SOFTWARE with a designated Support Category C will be furnished on an 'as is' basis.
For SOFTWARE with a designated Support Category A or B, DIGITAL will provide the services set forth below without additional
charge.
CATEGORY A
1. Upon notification by customer to the nearest DIGITAL office that the computer system, including all required prerequisite
hardware and software, is ready for the installation of the SOFTWARE, DIGITAL will install such SOFTWARE in any location
within the contiguous forty-eight (48) United States, the District of Columbia, or a country in which DIGITAL or a subsidiary
of DIGITAL has a software service facility. The notification must be received by DIGITAL and the system must be ready for
installation within thirty (30) days after the delivery of the SOFTWARE to customer or DIGITAL will have no obligation to
install. Installation will consist of: (1) verification that all components of the SOFTWARE have been received by customer, (2)
loading the SOFTWARE, and (3) executing a DIGITAL sample procedure.
2. During the ninety (90) day period after installation, if the customer encounters a problem with the current unaltered release
of the SOFTWARE which DIGITAL determines to be a defect in the SOFTWARE, DIGITAL will provide the following remedial
service (on site where necessary): (1) if the SOFTWARE is inoperable, apply a temporary correction (TC) or make a
reasonable attempt to develop an emergency by-pass, and (2) assist the customer to prepare a Software Performance
Report (SPR) and submit it to DIGITAL.
3. During the one (1) year period following installation, if the customer encounters a problem with the SOFTWARE which his
diagnosis indicates is caused by a SOFTWARE defect, the customer may submit an SPR to DIGITAL. DIGITAL will respond
to problems reported in SPRs which are caused by defects in the current unaltered release of the SOFTWARE via the
Maintenance Periodical for the SOFTWARE, which reports SPRs received, code corrections, Kmporary corrections, generally
useful emergency by-passes and/or notice of the availability of corrected code. Software Updates, if any, released by
DIGITAL during the one (1) year period, will be provided to the customer on DIGITAL's standard distribution media as
specified in the applicable SPD. The customer will be charged only for the media on which such updates are provided,
unless otherwise stated in the applicable SPD, at DIGITAL's then current media prices.
CATEGORY B
During the one (1) year period following delivery, the services provided to the customer will be the same as set forth in 3 above.
CATEGORY C
SOFTWARE is provided on an 'as is' basis. Any software services, if available, will be provided at the then current charges.
DIGITAL shall have the right to make additional charges for any additional effort required to provide services resulting from
customer use of other than current unaltered release of the SOFTWARE operated in accordance with the SPO.