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參數(shù)資料
| 型號(hào)： | FTR-1319-5A-2.5 |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, REPEATER, 1270-1355nm, 2500Mbps(Tx), 2500Mbps(Rx), PANEL MOUNT |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大小： | 163K |
| 代理商： | FTR-1319-5A-2.5 |
FTR-1319-5A-2.5 Product Specification
F i n i s a r
Finisar Corporation 01/08/2004 RevB
Page 5
VII. Environmental Specifications
Finisar GBICs have an extended operating range from –10C to +85C case temperature as
specified in Table 8. The GBIC requirement is only from 0C to 50C.
VIII. Serial Communication Protocol
All Finisar optical GBICs are ‘Module Definition “4”’ and support the 2 wire serial
communication protocol outlined in the GBIC Specification 1. These GBICs use an
Atmel AT24C01A 128 byte E2PROM (with an address of 1010000X). For details on
interfacing with the E2PROM, see the Atmel data sheet titled “AT24C01A/02/04/08/16 2-
Wire Serial CMOS E2PROM.”5
All Finisar optical GBICs also incorporate a microcontroller that monitors system
parameters such as laser current, laser temperature, and, in the case of 1300nm parts,
transmitted power. The microcontroller I2C address is 1010111X, so it won’t conflict
with the AT24C01A. For a complete description of how to use Finisar’s extended
features, see Finisar’s Application Note AN-2025: “Using the Finisar GBIC I2C
Test/Diagnostics Port.”4
CAUTION: The microcontroller implements the Philips I2C protocol including clock
stretching. For details, consult the Philips I2C-Bus Specification. Clock stretching
allows a fast master to communicate with a slow slave device, and it requires that the host
monitor the clock line every time it releases the line high. If a host does not implement
clock stretching (drives the bus blind), it must run the clock below 8kHz, so that Finisar’s
microcontroller has time to process instructions. If clock stretching is supported, the
clock may be run at up to 100kHz.
Environment
Parameter
Symbol
Min
Typ
Max
Units Notes/Conditions
Operating Temp
Top
-10
85
C
Storage Temp
Tsto
-10
85
C
Table 8. Environmental Specifications
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