nVent SCHROFF 21596-077 Manuel utilisateur
Shelf Alarm Panel (SAP)
User’s Manual
Product Number:
21596-077
Revision: R1.0, February 05, 2008
Doc-No: 63972-230
Impressum:
Schroff GmbH
D-75334 Straubenhardt, Germany
The details in this manual have been carefully compiled and
checked - supported by certified Quality Management System
to EN ISO 9001/2000
The company cannot accept any liability for errors or misprints.
The company reserves the right to amendments of technical
specifications due to further development and improvement of
products.
Copyright © 2008
All rights and technical modifications reserved.
Rev. Date updated Change
R1.0 February 05, 2008 Initial Release
Schroff Shelf Alarm Panel (SAP)
21596-077
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Table of Contents
1 Introduction....................................................................................................... 1
2 SAP Front Panel................................................................................................ 2
3 SAP Block Diagram .......................................................................................... 3
4 SAP SEEPROM ................................................................................................. 3
5 SAP Temperature Sensor ................................................................................ 3
6 SAP PCA9555.................................................................................................... 4
6.1 SAP I²C Addresses.............................................................................................. 4
6.2 User definable LEDs............................................................................................ 4
7 RS-232 Serial Console Interfaces on SAP...................................................... 5
7.1 SAP Console Cable for the Shelf Manger Serial Interface .................................. 5
8 Shelf Alarm Panel Backplane Connector ....................................................... 6
9 SAP Telco Alarms............................................................................................. 7
9.1 Telco Alarm Interface........................................................................................... 7
9.2 Telco Alarm LEDs................................................................................................ 7
9.3 Alarm Silence Push Button .................................................................................. 7
9.4 Alarm Reset ......................................................................................................... 8
9.4.1 Telco Alarm Connector (DB15-male)..................................................... 8
Schroff Shelf Alarm Panel (SAP) Introduction
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1 Introduction
Some I/O functionalities of the Schroff ACB-IV Shelf Manager have been moved
to a separate board called Shelf Alarm Panel (SAP). The Shelf Alarm Panel is a
FRU and provides:
• 3 Telco Alarm LEDs (MINOR, MAJOR, CRITICAL)
• 3 User definable LEDs
• The Telco Alarm connector (DB15-male)
• The Alarm Silence Push Button
• Serial console interfaces for Schroff Shelf Managers (RJ45 connectors)
• Temperature sensor (LM75)
• SEEPROM for FRU information
The SAP is connected to the Schroff ACB-IV Shelf Manager by a I²C connection,
the signals from the serial connectors are routed directly to serial console
interface on the Shelf Manager.
Figure 1: SAP
12708941
Schroff Shelf Alarm Panel (SAP) SAP Front Panel
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2 SAP Front Panel
Figure 2: Front Panel SAP
Figure 3: Connection between Shelf Manager and SAP
12708813
1 Fixing screw 7 LED USER 2
2 Serial Interface for Shelf Manager 1 8 LED USER 3
3 LED Minor Alarm (red) 9 Telco Alarm Connector
4 LED Major Alarm (red) 10 Alarm Silence button
5 LED Critical Alarm (amber) 11 Serial Interface for Shelf Manager 2
6LEDUSER1
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Schroff Shelf Alarm Panel (SAP) SAP Block Diagram
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3 SAP Block Diagram
Figure 4: SAP Block Diagram
4 SAP SEEPROM
The SAP SEEPROM is connected to the Master-Only I²C-bus and is a Microchip
24LC256 device.
5 SAP Temperature Sensor
The LM75 temperature sensor measuring the board temperature is located on
the SAP PCB. The temperature sensor is connected to the Master-Only I²C-bus.
12706921
I2C_PWR_A (ShMC1)
SAP Presence
LM75 Temp.
Sensor
SDA/SCL (I2C Bus CH0)
Backplane Connector
INV_ACTIVE_ACB1
INV_ACTIVE_ACB2
SEEPROM
RJ45 ESD
protection
3.3 V
I2C_PWR_B (ShMC1)
I2C_PWR_A (ShMC2)
I2C_PWR_B (ShMC2)
User 1
ALARM SILENCE
Critical Alarm
Major Alarm
Minor Alarm
Power Alarm
Minor Clear
Major Clear
Critical
Major
LED
Buffer
Minor
I2C-bus I/O port
PCA9555
TELCO Alarm Connector
ALARM LEDs
User 2
User 3
RJ45 ESD
protection
0x44
0x96 0xa6
Serial Console of
Shelf Manager 1
Serial Console of
Shelf Manager 2
Schroff Shelf Alarm Panel (SAP) SAP PCA9555
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6 SAP PCA9555
The PCA9555 device:
• controls the status of the LEDs
• reads the status of the Telco Alarm Cutoff push button (CLEAR)
• controls the Telco Alarm relays
Table 1: SAP PCA9555 Device Function
D
6.1 SAP I²C Addresses
Table 2: SAP I²C Addresses
6.2 User definable LEDs
The LEDs USER (1, 2, 3) are user definable and connected to the I²C-bus I/O
port of the PCA 9555 on the SAP.
PCA9555 I/O pins Function State
0.0 Power Alarm to telco relays output 1 = relays powered
0.1 Minor Alarm to telco relays output 1 = relays powered
0.2 Major Alarm to telco relays output 1 = relays powered
0.3 Critical Alarm to telco relays output 1 = relays powered
0.4 N/C Pulled High
0.5 LED_MIN (Minor alarm LED) output 1 = On
0.6 LED_MAJ (Major alarm LED) output 1 = On
0.7 LED_CRIT (Critical alarm LED) output 1 = On
1.0 Alarm cutoff push button input 0 = push button pushed
1.1 Minor Clear input 0 = voltage applied to input pins
1.2 Major Clear input 0 = voltage applied to input pins
1.3 N/C Pulled High
1.4 N/C Pulled High
1.5 LED_USER3 output 1 = On
1.6 LED_USER2 output 1 = On
1.7 LED_USER1 output 1 = On
LM75 SEEPROM PCA9555
0x96/0x4b 0xa6/0x53 0x44/0x22
Schroff Shelf Alarm Panel (SAP) RS-232 Serial Console Interfaces on SAP
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7 RS-232 Serial Console Interfaces on SAP
Figure 5: RS-232 Serial Console Interface on Shelf Alarm Display
The SAP provides two RS-232 serial console connector (SERIAL 1 and 2) for
Shelf Manager 1 and 2. The connectors are 8-pin RJ45 modular receptacles.
A full set of RS-232 signals, including modem control, is provided. The serial
interface is implemented on the Schroff Shelf Manager.
Table 3: RS-232 Serial Console Interface Pin assignment
7.1 SAP Console Cable for the Shelf Manger Serial Interface
Figure 6: RJ45 to DB9 Serial Console Cable
The connectors are shown with the cables pointing away.
12705811
Pin 1 Pin 8
The serial console default configuration is:
• 115200 baud
• no parity
• 8 data bits
•1stopbit
RJ45 Pin RS-232
Signal
ShMM-500
Signal Type Description
1 RTS RTS Out Request To Send
2 DTR DTR Out Data Terminal Ready
3 TxD TXD0 Out Transmit Data
4 GND GND --- Logic Ground
5 GND GND --- Logic Ground
6 RxD RXD0 In Receive Data
7 DSR DSR In Data Set Ready
8 CTS CTS In Clear To Send
12706929
RJ45-male DB9-female
1
2
3
4
5
6
7
8
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
8
6
2
5
5
3
4
7
CTS
DSR
RxD
GND
GND
TxD
DTR
RTS
51
9
6
18
Serial Console Cable sold separately,Schroff Catalog-No: 23204-187
Schroff Shelf Alarm Panel (SAP) Shelf Alarm Panel Backplane Connector
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8 Shelf Alarm Panel Backplane Connector
Figure 7: Shelf Alarm Panel Backplane Connector
Table 4: Shelf Alarm Panel Backplane Connector Pin Assignment
12706926
SAP ATCA Backplane Connector
Pin ADescription BDescription CDescription
1 -48V_A -48 V Feed A -48V_B -48 V Feed B
2VRTN_A Voltage return Feed
A
3VRTN_B Voltage return Feed
B
4
5 I2C_PWR_A 3.6 V from Shelf
Manager
I2C_PWR_B 3.6 V from Shelf
Manager
6 GND Ground GND Ground
7 SDA_CH0 Data I²C-bus
Channel 0
GND Ground
8 SCL_CH0 Clock I²C-bus
Channel 0
INT GND
9 RXD0_ACB1 Receive Data
Shelf Manager
10 DSR_ACB1 Data Set Ready
Shelf Manager
DTR_ACB1 Data Terminal Ready
Shelf Manager
11 CD_ACB1 Carrier Detect
Shelf Manager
12 CTS_ACB1 Clear To Send
Shelf Manager
RTS_ACB1 Request To Send
Shelf Manager
13 TXD0_ACB1 Transmit Data
Shelf Manager
14
15 SAP_PRES SAP Presence signal
to Shelf Manager
SCL_A
16 INV_ACTIVE_A
CB1
Active signal from
Shelf Manager
SHELF_GND Shelf Ground
Table des matières
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