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參數資料
| 型號： | TR137FA-0D30S |
| 英文描述： | Optoelectronic |
| 中文描述： | 光電 |
| 文件頁數： | 11/14頁 |
| 文件大小： | 209K |
| 代理商： | TR137FA-0D30S |
11
SFP transceiver loss of signal indication
The LOS signal is intended as a preliminary indication to the system in which the
SFP transceiver is installed that the link signals are likely to be outside the required
values for proper operation. Such indications typically point to non-installed cables,
broken cables, or a disabled, failing or powered off transmitter at the far end of the
cable. Additional indications are provided by the system in which the SFP transceiver
is installed to verify that the information being transmitted is valid, correctly encoded,
and in the correct format. Such additional indications are outside the scope of the
SFP Transceiver MSA. The timing of the LOS function is specified in Figure 10.
Figure 10. Timing of LOS detection
EEPROM Serial ID Memory Contents
Data
Address
Base ID fields
Length
Name of
Field
Description
0
1
Identifier
03h=SFP
1
1
Ext. Identifier
04h=All SFP modules indicating serial ID module definition
2
1
Connector
07h=LC
SONET code - Reserved
Gigabit Ethernet code - 1000BASE_SX
FC(Fibre Channel) link length - Reserved
FC transmitter technology - Reserved
FC transmission media - Reserved
FC speed - Reserved
01h=8B10B
19h=100MHz*25=2.5GHz
50μ, distance 1Eh=30*10m=300m
62.5μ,
distance
CU, distance
Reserved
"SAMSUNG "
=53/41/4D/53/55/4E/47/20/20/20/20/20/20/20/20/20h
Reserved
3-10
8
Transceiver
11
12
13
14
15
16
1
1
1
1
1
1
Encoding
BR, Nominal
Reserved
9μ, distance
9μ, distance
17
1
0Fh=15*10m=150m
18
19
1
1
20-35
16
Vendor name
36
1
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