![E.F. Johnson Company 3000 SERIES Скачать руководство пользователя страница 181](http://html.mh-extra.com/html/e-f-johnson-company/3000-series/3000-series_setup-and-alignment-manual_519202181.webp)
23-1
BACKPLANE
SECTION 23 BACKPLANE
23.1 DESCRIPTION
The 3000 Series Switch shelf backplane contains
slots that modules are inserted into, to derive the
module address. The backplane distributes:
•
Power
•
PCM paths
•
Master clock
•
Master sync
•
Intra-Terminal data bus
•
Channel status bus
•
Control lines for data busses
The backplane has active circuitry that distributes
PCM paths, master clock and master sync. The back-
planes are connected together for complete distribu-
tion of receive and transmit signals to all shelves
within the Switch.
23.2 BACKPLANE SETUP PROCEDURE
23.2.1 SHELF ADDRESS SETTINGS
Using the following table, determine the settings
of Switch 1 for the Shelf Address of each shelf.
23.2.2 TERMINATION SETTINGS
Using the following table, determine the switch
settings for switches 2 through 8. All switches are
37.5 ohms and normally set for 6 shelves.
•
S2 - VTM PCM
•
S3 - Primary Tx PCM
•
S4 - Primary Rx PCM
•
S5 - Master Sync
•
S6 - Master Clock
•
S7 - Secondary Rx PCM
•
S8 - Secondary Tx PCM
23.2.3 JUMPER DEFINITIONS AND SETTINGS
1. External Cable Connections
•
J1/J2 - Shelf Interconnect
2. Primary Audio Connections
•
J3/J5 - Primary Rx PCM
•
J2/J4 - Primary Tx PCM
3. Secondary Audio Connections
•
J23/J25 - Secondary Rx PCM
•
J24/J26 - Secondary Tx PCM
Table 23-1 SHELF ADDRESS SETTINGS
Shelf Number
Switch 1, Open Sections
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
ALL Closed
1
2
1,2
3
1,3
2,3
1,2,3
4
1,4
2,4
1,2,4
3,4
1,3,4
2,3,4
1,2,3,4
5
1,5
Table 23-2 TERMINATION SETTINGS
Number of Shelves
Switch Sections
CLOSED
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
ALL
1,3,6,7,8
1
2,4,5,6,7,8
2,5,6,7,8
2,7
3,4,5,6,8
3,4,6,7
3,4,8
3,5,6
3,5
3,6,8
3,7
3
4,5,6,7,8
4,5,6,7
4,5,6
Содержание 3000 SERIES
Страница 2: ......
Страница 12: ...TABLE OF CONTENTS viii TABLE OF CONTENTS CONT D This page intentionally left blank ...
Страница 20: ...3000 SERIES SWITCH 2 6 This page intentionally left blank ...
Страница 26: ...ARCHITECTURE 3 6 This page intentionally left blank ...
Страница 58: ...CALL PROCESSOR 5 4 This page intentionally left blank ...
Страница 76: ...BASIC BOARD MODULE BBM 7 14 This page intentionally left blank ...
Страница 83: ...CHANNEL INTERFACE MODULE CIM 8 7 Figure 8 3 SUMMATION BOARD ALIGNMENT POINTS DIAGRAM ...
Страница 84: ...CHANNEL INTERFACE MODULE CIM 8 8 This page intentionally left blank ...
Страница 88: ...CONVENTIONAL CHANNEL MODULE CCM 9 12 This page intentionally left blank ...
Страница 92: ...DISPATCH CHANNEL MODULE DCM 10 4 This page intentionally left blank ...
Страница 100: ...DISPATCH INTERFACE MODULE DIM 11 8 This page intentionally left blank ...
Страница 142: ...TELEPHONE INTERFACE MODULE TIM 14 32 This page intentionally left blank ...
Страница 146: ...VOTER DIAGNOSTICS MODULE VDM 15 4 This page intentionally left blank ...
Страница 148: ...POWER TERMINATION MODULE PTM 16 2 Figure 16 1 POWER TERMINATION MODULE ALIGNMENT POINTS DIAGRAM ...
Страница 156: ...VOICE TONE MODULE VTM 18 4 This page intentionally left blank ...
Страница 164: ...WIDE AREA MODULE WAM 19 8 This page intentionally left blank ...
Страница 174: ...CONVENTIONAL PATCH MODULE CPM 21 4 This page intentionally left blank ...
Страница 178: ...POWER SUPPLY 22 4 Figure 22 6 POWER SUPPLY DRAWER ...
Страница 196: ...INTERCOM 24 2 This page intentionally left blank ...
Страница 200: ...ERROR MESSAGES A 4 This page intentionally left blank ...
Страница 214: ...Part Number 001 3139 005 10 03 Printed in U S A ...