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Finisar AN-2030 manuale d’uso - BKManuals
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Finisar AN-2030 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Finisar AN-2030. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Finisar AN-2030 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Finisar AN-2030 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Finisar AN-2030 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Finisar AN-2030
- nome del fabbricante e anno di fabbricazione Finisar AN-2030
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Finisar AN-2030
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Finisar AN-2030 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Finisar AN-2030 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Finisar in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Finisar AN-2030, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Finisar AN-2030, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Finisar AN-2030. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 1 1 Application Note AN - 2030 2 Digital Diagnostic Monitoring Interface 3 for SFP Optical Transceivers 4 5 1. Scope and Overview 6 7 This document defines an enhanced digital diagnostic monitoring interface available in 8 Finisar SFP a[...]

  • Pagina 2

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 2 1 3. Enhanced Digital Diagnostic Interface Definition 2 3 Overview 4 5 The enhanced digital diagnostic interface is a superset of the MOD - DEF interface 6 defined in the SFP MSA document dated September 14, 2000. The 2 - wire interfa[...]

  • Pagina 3

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 3 1 Figure 3.1: Digital Diagnostic Memory Map 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Specific Data Field De scriptions 38 39 The information in italics in Table 3.1 indicates [...]

  • Pagina 4

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 4 Table 3.1 Serial ID: Data Fields – Address A0 1 Data Address Size (Bytes) Name of Field Description of Field BASE ID FIELDS 0 1 Identifier Type of serial transceiver (see table 3.2) 1 1 Ext. Identifier Extended identifier of type of[...]

  • Pagina 5

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 5 Identifier 1 The identifier value sp ecifies the physical device described by the serial information. 2 This value shall be included in the serial data. The defined identifier values are shown in 3 table 3.2. Finisar SFP modules have [...]

  • Pagina 6

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 6 1 TABLE 3.3: Connector values 2 Value Description of connector 00h Unknown or unspecified 01h SC 02h Fibre Channel Style 1 copper connector 03h Fibre Channel Style 2 cop per connector 04h BNC/TNC 05h Fibre Channel coaxial headers 06h [...]

  • Pagina 7

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 7 Transceiver 1 The following b it significant indicators define the electronic or optical interfaces that are 2 supported by the transceiver. At least one bit shall be set in this field. For Fibre Channel 3 transceivers, the Fibre Chan[...]

  • Pagina 8

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 8 The SONET compliance code bits allow the host to determine with which specifications 1 a SONET transceiver complies. For each bit rate defined in Table 3.5 (OC - 3, OC - 12, 2 OC - 48), SONET specifi es short reach (SR), intermediate [...]

  • Pagina 9

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 9 BR, nominal 1 The nominal bit rate (BR, nominal) is specified in units of 100 Megabits per second, 2 rounded off to the nearest 100 Megabits per second. The bit rate includes t hose bits 3 necessary to encode and delimit the signal as[...]

  • Pagina 10

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 10 transceiver technology. It is common for the trans ceiver to support both 50 micron and 1 62.5 micron fiber. 2 3 Length (Copper) 4 This value specifies the minimum link length that is supported by the transceiver while 5 operating in[...]

  • Pagina 11

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 11 Vendor Rev 1 The vendor revision number (vendor rev) is a 4 - byte field that contains ASCII 2 characters, left - aligned and padded on the right with ASCII spaces (20h), defining the 3 vendor’s product revision number. A value of [...]

  • Pagina 12

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 12 Options 1 The bits in the option field shall specify the options implemented in the transceiver as 2 described in table 3.6. Standard Finisar SFP transceivers do not implement TX_FAULT 3 or RATE_SELECT, so byte 65 set to 00010010b . [...]

  • Pagina 13

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 13 1 Date Code 2 The date code is an 8 - byte field that contains the vendor’s date code in ASCII 3 characters. The date code is mandatory. The date code shall be in the format specified 4 by table 3.7. 5 Table 3.7: Date Code 6 7 Data[...]

  • Pagina 14

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 14 Table 3.8: Diagnostic Monitoring Type 1 Data Address Bits Description 92 7 Reserved for legacy diagnostic implementations. Must be ‘0’ for compilance with this document. 92 6 Digital diagnostic monitoring implemented (described i[...]

  • Pagina 15

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 15 Enhanced Options 1 “Enhanced Options” is a 1 byte field with 8 single bit in dicators which describe the 2 optional digital diagnostic features implemented in the transceiver. Since transceivers 3 will not necessarily implement a[...]

  • Pagina 16

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 16 1 Table 3.10: I/O Timing for Soft Control & Status Functions 2 Parameter Symbol Min Max Units Conditions TX_DISABLE assert time t_off 100 ms Time from TX_DISABLE bit set 1 until optical output falls below 10% of nominal TX_DISABL[...]

  • Pagina 17

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 17 1 Diagnostics 2 2 wire serial bus address 1010001X (A2h) is used to access measurements of 3 transceiver temperature, internally measured supply voltage, TX bias current, TX out put 4 power, received optical power, and two additional[...]

  • Pagina 18

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 18 calibrated to absolute units using the most representative fiber output type. 1 Accuracy is ±3dB. Data is not valid when the transmitter is disabled. 2 5) Measured RX received average optical power in mW. Represent ed as a 16 bit 3 [...]

  • Pagina 19

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 19 External Calibration 1 Measurements are raw A/D values and must be converted to real units using calibration 2 constants stored in EEPROM locations 56 – 95 at 2 wire serial bus address A2h (see 3 Table 3.15) . Calibration is valid [...]

  • Pagina 20

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 20 5) Measured received optical power. Received power, RX_PWR, is given in µW by 1 the following equation: 2 Rx_PWR (µW) = Rx_PWR(4) * Rx_PWR AD 4 (16 bit unsigned integer) + 3 Rx_PWR(3)*Rx_PWR AD 3 (16 bit unsigned integer) + Rx_PWR([...]

  • Pagina 21

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 21 Calibration Constants 1 2 TABLE 3.1 5 : Calibra tion constants for External Calibration Option 3 (2 Wire Address A2h) 4 5 Address # Bytes Name Description 56 - 59 4 Rx_PWR(4) Single precision floating point calibration data - Rx opti[...]

  • Pagina 22

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 22 The slope constants at addresses 76, 80,84, and 88, are unsigned fixed - point binary 1 numbers. The slope will therefore always be positive. The binary point is in between 2 the upper and lower bytes, i.e., between the eight and nin[...]

  • Pagina 23

    AN - 2030: Digital Diagnostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 23 1 Table 3.16c: IEEE - 754 Single - Precision Floating Point Number Format 2 FUNCTION SIGN EXPONENT MANTISSA BIT 31 30……………………23 22……………………………………………………………0 BYTE 3 2 1 0 ß [...]

  • Pagina 24

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 24 Real Time Diagnostic Registers TABLE 3. 17 : A/D Values and Status Bits (2 Wire Address A2h) Byte Bit Name Descriptio n Converted analog values. Calibrated 16 bit data. 96 All Temperature MSB Internally measured module temperature. [...]

  • Pagina 25

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 25 110 1 LOS Digital state of the LOS Output Pin. Updated within 100msec of change on pin. This function is implemented in all Fin isar transceivers with digital diagnostic capability. 110 0 Data_Ready_Bar Indicates transceiver has ach[...]

  • Pagina 26

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 26 Table 3. 18 : Alarm and Warning Flag Bits (2 - Wire Address A2h) Reserved Optional Alarm and Warning Flag Bits 112 7 Temp High Alarm Set when internal temperature exceeds high alarm level. 112 6 Temp Low Alarm Set when internal temp[...]

  • Pagina 27

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 27 Bytes 123 – 126 contain write - only RAM for entry of a 32 bit password that allows access to user writable EEPROM at locations 128 - 247. The default password for Finisar devices is 0, however it can be set to any value at the fa[...]

  • Pagina 28

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 28 4. DDTC Electrical Interface Definition Overview The Digital Diagnostics Transceiver Controller (DDTC) IC manages all system monitoring functions in the SFP transceiver module. The DDTC is accessed through a 2 - wire serial interfac[...]

  • Pagina 29

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 29 2 - Wire Interface Reset : After any interruption in protocol, power loss, or system reset, the following steps reset the DDTC . 1. Clock up to nine cycles. 2. Look for SDA high in each cycle while SCL is high. 3. Create a Start Con[...]

  • Pagina 30

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 30 Acknowledge Polling : Once the internally - timed write has started and the DDTC inputs are disabled, acknowledge polling can be initiated. The process involves transmitting a start condition followed by the device address. The R/W [...]

  • Pagina 31

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 31 Detailed 2 - Wir e Serial Port Operation This section gives a more detailed description of 2 - wire theory of operation. The 2 - wire serial port interface supports a bi - directional data transmission protocol with device addressin[...]

  • Pagina 32

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 32 Within the bus specifications a regular mode (10 0 kHz clock rate) and a fast mode (400 kHz clock rate) are defined. The DDTC works in both modes. 5) Acknowledge : Each receiving device, when addressed, is obliged to generate an Ack[...]

  • Pagina 33

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 33 of the command/control byte (R/W) defines the operation to be performed. When set to a 1 a read operation is selected, and when set to a 0 a write operation is selected. Following the START condition, the DDTC monitors the SDA bus c[...]

  • Pagina 34

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 34 DC ELECTRICAL CHARACTERISTICS ( Vcc = 3.15V to 3.60V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES Input Leakage (SDA, SCL) I LI - 1 +1 µ A 2 Input Logic 1 (SDA, SCL) V IH 0.7Vcc Vcc+0.5 V 1 Input Logic 0 (SDA, SCL) V IL GND [...]

  • Pagina 35

    AN - 2030: Digital Diagn ostic Monitoring Interface for Optical Transceivers F i n i s a r 9/26/02 Revision D Page 35 For More Information Finisar Corporation 1308 Moffett Park Drive Sunnyvale, CA 94089 - 1133 Tel. (408) 548 - 1000 Fax (408) 541 - 6138 sales@finisar.com www.finisar.com[...]