PARTS LIST
Printed in U.S.A.
LBI-38496B
MAINTENANCE MANUALALARM SHELF
19D902821P1
TABLE OF CONTENTS
Page
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . Front Cover
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 1
TRANSMIT SITE . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . 1
CONTROL POINT . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 1
WIRING LIST . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 1
FUNCTION LIST . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 10
OUTLINE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . 12
ASSEMBLY DIAGRAM:
ALARM SHELF 19D902821P1 . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 13
ALARM SHELF 19D902821P2 . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 14
CABLE 19C337513G1 . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 15
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . Back Cover
SPECIFICATIONS
DIMENSIONS (H X W X D) 6.970" X 19.00" X 11.938"
INPUT VOLTAGE + 5Vdc, +12Vdc, -12Vdc
NUMBER OF SLOTS 21
DESCRIPTION
Ericsson GE’s Alarm Shelf (19D902821) is a four rack unitshelf
used in the Simulcast Alarm System, alarm station. AlarmShelf
19D902821P1 is used at the Transmit Site (Collocated orRemote) and
Alarm Shelf 19D902821P2 is used at the ControlPoint (Master and
Slave). Both Alarm Shelves (Parts 1 and 2)provide a standard bus
backplane (MB12 (WinSystem))mounted to a standard bus card cage
(CCK15F (Vector)) andslots for plug-in modules. Cross Connect
Backplane19D902792G2 is also provided as part of the Alarm Shelf
(re-fer to the Assembly Diagram and Outline Diagram listed in
theTable of Contents).
TRANSMIT SITE
Alarm Shelf 19D902821P1 is used at the Transmit Site andprovides
a standard bus backplane (MB12) and slots for mod-ules as
follows:
Collocated
• 1 - Digital Input Card (339C-1 (Endlode))
• 1 - Central Processing Unit (CPU) card(LPM-S/BC5-6
(WinSystem))
• 4 - Analog/Digital (A/D) Cards(LPM-A/D-1 2M (WinSystem))
• 1 - Digital Output Card (338C-1 (Endlode))
Remote
• 1 - Digital Input Card (339C-1 (Endlode))
• 1 - Central Processing Unit (CPU) card(LPM-S/BC5-6
(WinSystem))
• 4 - Analog/Digital (A/D) Cards(LPM-A/D-12M (WinSystem))
• 1 - Modem Card (ST8843 (Zistech))
• 1 - Digital Output Card (338C-1 (Endlode))
• 1 - Hybrid Card (4201 (Tellabs))
CONTROL POINT
Alarm Shelf 19D902821P2 is used at the Control Point andprovides
a standard bus backplane (MB12) and slots for mod-ules as
follows:
1 to 10 Sites
• 1 - Digital Input Card (339C-1 (Endlode))
• 1 - Central Processing Unit (CPU) card(LPM-S/BC5-6
(WinSystem))
• 4 - Analog/Digital (A/D) Cards(LPM-A/D-1 2M (WinSystem))
• 1 to 10 - Modem Card (ST8843 (Zistech))
• 2 - Digital Output Card (338C-1 (Endlode))
1 to 20 Sites
With 1 to 20 sites, a master and a slave Alarm Shelf is
used.
Master:
• 1 - Central Processing Unit (CPU) card
(LPM-S/BC5-6(WinSystem))
• 1 to 20 - Modem Card (ST8843 (Zistech))
Slave:
• 1 - Digital Output Card (338C-1 (Endlode))
• 1 - Central Processing Unit (CPU) card(LPM-S/BC5-6
(WinSystem))
• 4 - Analog/Digital (A/D) Cards(LPM-A/D-12M (WinSystem))
• 2 - Digital Output Card (338C-1 (Endlode))
Copyright © November 1990, Ericsson GE Mobile Communications
Inc.
LBI-38496 LBI-38496
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