GTE Omni Si Database Technical Practices Issue 1 Manual

SW 5210Em7 

TL-130500-1001* System Generic Disk
l System Data Base Disk
0 Options Disk I, Overlay Programs/MDR
0 Options Disk Ill, Diagnostic
l Options Disk IV, Data Switch Generic
l Options Disk V, Data Switch Generic
NOTE: File contents of disks are subject to change due to new
SVRs and/or customer alterations.
ADMP-C accesses the system hard disk via the 
SASI (Shugart
Associates Standard Interface) bus and the FMS (File
Management System) card.
Hard
Disk Drive
FMSD card
FB-1 722O-BOA
PBEITII
I >A,NIC1I1
1 -/...

TL-130500-1001File Management8.2.2 With the data option, the FMSD provides an
System Datainterface for the voice system, microprocessor, and disk drive
controller as well as the data system (see Figure 8.2, 8.3). This
interface is through the ADMP via the 
SASI (Shugart Associates
Standard Interface) bus. The 
SASI bus is a ribbon cable.
DFP/VPLC-2
El--APM
LOCAL PACKET BUSFILE MANAGEMENT SYSTEM CARD DATA
MAINTENANCE
l-w
.
------DATArI
I
IIL---------J
BUS (See Note)
. . . . . . . . . . . . . . . . 
.;...

TL-130500-1001j_____----_--_____---------------ICEC BUS
4.. . . . . . . .DISK DRIVESYSTEM DATA
I 1
FD-1061-BPI 1
I 1
I 1
I 1ADMINISTRATIVESASI ’II 1ANDASSEMBLY EC-221 99-AIIL ------ ----__- --__BUS )
I
L-------------------MAINTENANCE:____-_______--_---_------------~PEC BUSPROCESSOR
(ADMP-C)
LPBFB-17230-BOAI
-.^ ^ -__--. . .. - . .
S-l 26tlgure 8.3FMSD and Hard Disk Assembly Interface
File Management
System Data8.2.3 The file management system’s files are described in full
Commandsin paragraph 4.9.3. FMS...

TL-130500-1001- Dismount Command. The Dismount command is used to
prevent access to a device. After the Dismount command is
issued for a device, FMS will not allow files to be opened on
that device. As a subcommand, the device can be marked
or retained as a private device, preventing the other
processor from mounting the device. Before removing a
floppy disk, this command should be used to lock out
unwanted access to the disk. Removing a disk on which
files are open can result in a loss of data.
SASI...

ADMP
IIFMSD
Figure 8.4Disk System Cabling
Voice and Data8.3 This paragraph describes the transfer of voice and data.
Transfer
Complex Low -Level8.3.1 The VPLC, VPLC2, UCB, PR and ADMP-A 
PCBs
Buscommunicate with the voice system processor over the PEC
low-level bus. The low-level bus is separate from the PCM
bus. The low-level bus communicates with and controls the
cards that are installed in the 
PCMUSs (PCM Universal Slots).
The processor reads from, and writes to, the cards on the bus by
accessing a...

TL-130500-1001Voice Switch Pulse8.3.2 The voice switch network provides the ability to connect
Code Modulationany two (or more) voice ports (lines or trunks). Communication
Networkthrough the network is based upon time-division multiplexing of
PCM-encoded samples. The voice signals convert from analog
to PCM at the line/trunk card. However, in the Digital
Featurephone, the voice signal is converted to PCM in the
telephone and passed in the form of mini-packets to the VPLC
(Voice Packet Line Card,) where...

TL-130500-1001Figure 8.5Transportation of Mini-Packets over LPI3IS-l 30Local Packet Bus8.5 The LPB (Local Packet Bus) consists of eight leads and is
essentially two separate buses. The first is a two-bit-wide data
bus. The second, a two-bit-wide time-division-multiplexed
bus, transfers packets and encodes busy status indications.
Both buses operate off the same 
1.544-MHz clock, and both
use the same frame synchronization line to maintain the link.
Any hardware which connects to the LPB for communication...

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