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.

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CROSS CONNECT BACKPLANE19D902792G2(19D902791, Mark Component Side, Rev. 1A)

(19D902791, Component Side, Rev. 0)

(19D902791, Solder Side, Rev. 0)

OUTLINE DIAGRAM

COMPONENT SIDE

SOLDER SIDE

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ASSEMBLY DIAGRAM

ALARM SHELF19D902821P1

(19D902821, Sh. 1, Rev. 2)

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ASSEMBLY DIAGRAM

ALARM SHELF19D902821P1(19D902821, Sh. 2, Rev. 2)

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CABLE 19C337513P1(19C3373513, Sh. 1, Rev. 3)

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