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WangText
T̲A̲B̲L̲E̲ ̲O̲F̲ ̲C̲O̲N̲T̲E̲N̲T̲S̲
4.6.3.2 Terminal ackage .................
4.6.3.2.1 Supervisor VDU Functions .....
4.6.3.2.2 MSO Function .................
4.6.3.2.3 Printer Function .............
4.6.3.2.4 MCSF User Function ...........
…86…1 …02… …02… …02… …02…
4.6.3.2 T̲e̲r̲m̲i̲n̲a̲l̲ ̲P̲a̲c̲k̲a̲g̲e̲
The terminal package constitutes the operator interface
to the CROSSFOX system and consists of 4 sub-packages
that provides a fully compliant high level perator
interface using menu selection and form-filling-out
procedures. Corresponding parts of the man-machine
interface (MMI) are identical with the CAMPS MNI, where
possible.
The sub-packages are:
- Supervisor VDU Package (SUP)
- Message Sevice Operation Package (MSOP)
- Printer Package
- VDU User Package (VUP)
4.6.3.2.1 S̲u̲p̲e̲r̲v̲i̲s̲o̲r̲ ̲V̲D̲U̲ ̲F̲u̲n̲c̲t̲i̲o̲n̲s̲
The S̲u̲pervisor VDU P̲ackage (SUP) contains the software
to support the three main supervisor functions as shown
on Figure 4.6.3.2.1-1.
S̲y̲s̲tem C̲ontrol (SYSC)
M̲es̲sag̲e H̲andling (MSGH)
S̲upervisor E̲n̲gineering F̲unctions (SENF)
The System Control Functions:
Device Control
Addressing Scheme Control
User Profile Update
Queue Control
Report Control…86…1 …02… …02… …02… …02…
Supervisor Printout Control
Security Control
Global No. Series Control
System Parameter Control
System Information Extract
Table Print
These functions enable the supervisorto control the
operational and functional aspects of the system.
Fig. 4.6.3.2.1-1 Supervisor Functions
The Message Handling Functions allow:
a) S̲e̲r̲v̲i̲c̲e̲ ̲M̲e̲s̲s̲a̲g̲e̲ ̲P̲r̲e̲p̲a̲r̲a̲t̲i̲o̲n̲ ̲F̲u̲n̲c̲t̲i̲o̲n̲s̲
Prepare Service Message
Continue Preparation
Delete Service Message
Outgoing Service Messge Status
b) R̲e̲t̲r̲i̲e̲v̲a̲l̲
Retrieval for Rerun
Retrieval for Re-distribution
Retrieval for Local use
These functions enable the supervisor to prepare and
edit Service Messages, to send Service Messages, to
delete Service Messages and to obtan status regarding
Service Messages under preparation or sent for transmission.
The retrieval functions enable the supervisor to retrieve
any message in a suitable format and to specify re-run
or redistribution for local use.
The Supervisor Enginering Functions enable the supervisor
to perform engineering/operator type functions upon
the system. Due to the nature of these functions they
will be defined during system definition phase.
The Supervisor VDU Package interfaces with other partsof
the Terminal Package (TEP) as well as other packages
of the CROSSFOX MPF System.
The interfaces between the S̲upervisor V̲DU P̲rocess (SVU̲P)
and the other TEP processes are:
Supervisor Print Process (SPRI)
VDU User Subprocess (VUS)
User Messae Access Monitoring Process (UMAM)
UMAM is used for control of Service Messages under
preparation and is shared with all VDU User Subprocesses.
VUS is the VDU User Subprocess giving the Supervisor
access to user unctions when he has User Capability
or MSO Capability.
The Supervisor Functions are contained in a separate
process to ensure that access to these functions by
a person without Supervisor Capability is not possible
even if there is an applicatio software malfunction.
Further, to ensure that Supervisor Control over the
system can be maintained after failure of the Supervisor
VDU a second VDU can be connected to SVUP (by issuing
Assign Supervisor Command). Only one of these VDUs
can acces VUS as a u̲s̲e̲r̲ only has access to o̲n̲e̲ VDU.
4.6.3.2.2 M̲S̲O̲ ̲F̲u̲n̲c̲t̲i̲o̲n̲
The VDU MSO Package (MSOP) constitutes the only means
by which Crossfox Personnel may gain access to the
services of the CROSSFOX user function.
a) The CROSSFOX MSO function i made up of six subfunctions:
Service Message Preparation, Retrieval for Readdressing,
Retrieval for Rerun, Incoming Message Service Assistance,
Outgoing Message Service Assistance, and Display
of Retrieval Messages. A VDU or MSO may have access
rihts to one or more of the subfunction services
as specified by the Supervisor.
b) The VDU MSO package (MSOP) implements all the services
of the CROSSFOX MSO function, which implies the
following responsibilities:
1) Interface the MSO to the CROSSFOX system, i.e.
Man/Machine I/F Support and Monitoring
2) Direct all MSO requests/commands to the relevant
package within CROSSFOX
3) Presnt, to the MSO, information sent to his
VDU
4) Supervise/allow the MSO to prepare service
messages and annotation
5) Allow the MSO to make service on outgoing/incoming
messages, e.g. Garble Correction, Relay Assistance,
Pilot Control, Outgoin Routing Indicator Assignment
4.6.3.2.3 P̲r̲i̲n̲t̲e̲r̲ ̲F̲u̲n̲c̲t̲i̲o̲n̲
The main functions implemented by the Printer Function
PRIP, are:
1. Formatting and printout
2. Document accounting
a) F̲o̲r̲m̲a̲t̲t̲i̲n̲g̲ ̲a̲n̲d̲ ̲P̲r̲i̲n̲t̲o̲u̲t̲
Some of the items queued for printcontain binary
data which will have to be converted into a displayable
form before being printed.
The items do not contain all of the data to be
printed. The predefined part of it is contained
in the Print Format File (PFF) and must be merged
wih the variable part to form the complete text.
The formatting also includes placing of the text
so that a readable layout is obtained.…86…1
…02… …02… …02… …02…
After the text has been formatted, it will be output
to the printer in blocks of upto 512 bytes.
b) D̲o̲c̲u̲m̲e̲n̲t̲ ̲A̲c̲c̲o̲u̲n̲t̲i̲n̲g̲
Document Accounting is to be carried out for the
folowing items:
- Messages
- Service Messages
- Reports
4.6.3.2.4 M̲C̲S̲F̲ ̲U̲s̲e̲r̲ ̲F̲u̲n̲c̲t̲i̲o̲n̲
a) In this section the functions to be performed by
VDU User Package (VUP) are outlined. The main task
of VUP is to implement the CROSSFOX MPF user functin.
The CROSSFOX MPF user function and the related
requirements will be treated as a whole, i.e. the
three subfunctions Preparation, Reception, and
Release constitute the CROSSFOX MPF user function,
and access to each must be granted by the supervisr.
b) As a short overview, of the services of VUP are
outlined below.
The user may access the preparation database, where
all messages under preparation are kept. The user
may insert/delete/edit items in the database.
The user may access the receive queue, which is
a queue of the precedence type into which CROSSFOX
interts all messages destined to the terminal.
The user may inspect/remove/get printed copy of
the queued elements. The operator may also instruct
the system to print all messages below a certain
security level on the printer immediately on arrival
to the queue.
The user may access the response queue, which is
a queue ofthe non-precedence type into which CROSSFOX
inserts responses to user issued requests with
long or unpredictable response times. The user
may inspect/remove/get printed copy of the queued
elements.
The user may issue requests/commands to the system,
e.g. retrieve a message, delete a message
