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Manuel d’utilisation Finisar AN-2030

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Summary
  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 . ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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( ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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. ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

  • Finisar AN-2030 - page 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 ...

Fabricant Finisar Catégorie Home Security System

Les documents que nous recevons du fabricant de l'appareilFinisar AN-2030 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Finisar
- manuels d’utilisations AN-2030
- fiches produit Finisar
- dépliants
- ou étiquettes-énergie Finisar AN-2030
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Finisar AN-2030.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Finisar AN-2030, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Finisar AN-2030. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Finisar AN-2030.

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Manuel d’utilisation complet de l’appareil Finisar AN-2030, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Finisar AN-2030 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Finisar AN-2030.

Le manuel d’utilisation complet Finisar, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Finisar AN-2030 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Finisar AN-2030, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lFinisar AN-2030 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Finisar AN-2030 - qui devraient nous aider dans les premières étapes lors de l'utilisation Finisar AN-2030
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Finisar AN-2030
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Finisar AN-2030 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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