5. On receipt of appropriate VTAM commands, loaded from the disk to the remote
3745 CCU storage.
The disk IPL information (DII) function allows all these copy operations from disk to
diskettes and from diskettes to disk.
Supervising the Controller
Normal operations are supervised by the control program. The operator supervises
the controller from the attached operator console. At any time, the screen displays
the status of the controller components. Refer to “Machine Status Area” on
page 4-31. It also presents the operator with the MOSS menu of services. The
operator proceeds through the screen, and is prompted and given assistance by
the system. See “MOSS User Facilities.”
MOSS User Facilities
The user can display and change various machine parameters at the 3745 operator
console through the MOSS functions.
Some of these functions are described below. For other functions and more details
of the following ones, refer to the
IBM 3745 Advanced Operations Guide.
Configuration Data File
The configuration data file (CDF) contains information about the CCU, the main
storage size, the MOSS storage, disk and diskette capacity, the channel adapters
|
and two-processor switches, the line adapters, the line interface couplers, the
|
Ethernet adapters, the cables and the clocking modes.
The configuration data file is created at manufacturing time. It is then completed
and checked against the current controller configuration at installation time. The
user can use the configuration data file to:
Change native subchannel and emulated subchannel addresses including
protocols and data speed
Display and update the line characteristics for each change in the 3745
configuration, when adding, removing, or replacing line cables or LICs.
This file is used by MOSS during the initialization process, and by the diagnostic
programs.
Line Interface Display
The line interface display (LID) provides various parameters on lines (control
program, line type, protocol, interface standard, speed, clocking speeds,
transmission mode, and cable identification).
The display includes data set leads, sampling of transmitted and received data,
transmit and receive commands, and command status. The user can also use this
function for error and fault isolation.
|
Ethernet Interface Display
|
The Ethernet interface display (EID) provides information on line parameters,
|
protocol (V2 or 802.3), port address, and statistics counters (transmit, receive, and
|
errors counters).
4-30
IBM 3745 Models 130, 150, 170: Introduction
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