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參數(shù)資料
| 型號(hào)： | S2036 |
| 廠商： | Applied Micro Circuits Corp. |
| 英文描述： | Open Fiber Control（OFC）System(實(shí)現(xiàn)光纖控制（OFC）的系統(tǒng)) |
| 中文描述： | 開放光纖控制（OFC）的系統(tǒng)（實(shí)現(xiàn)光纖控制（大洋洲）的系統(tǒng)） |
| 文件頁(yè)數(shù)： | 4/14頁(yè) |
| 文件大?。?/td> | 119K |
| 代理商： | S2036 |
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S2036
OPEN FIBER CONTROL
a)The laser product shall be used in point-to-point
optical links only. The OFC safety system is
incompatible with other types of link connections
(i.e., multiple input or output links). Failure to
comply with this usage restriction may result in
incorrect operation of the link and points of access
that may emit laser radiation above the limit for
Safety Class 1 systems established by one or
more national or international laser safety standards.
b)Normal operation of the point-to-point optical link
requires that the laser product shall be connected
only to another Fibre Channel compatible laser
product that includes the OFC safety system. In
addition, each of these products must be certified
as Safety Class 1 laser products according to the
laser safety regulations and/or standards in existence
at the time of manufacture.
The certification ensures that each of the products
will function correctly in the event of a fault in one of
the safety control systems.
It is the responsibility of the interface designer tassure
that the redundancy and freedom from single point
failure sensitivity incorporated in the Fibre Channel
standard and the design of the S2036 are fully
implemented in the final laser product. These imple-
mentation criteria shall include but are not limited to:
a)Biasing of the LDENP/N signal lines with 10K
resistors external to the S2036 assures that the
non-operating state of the laser is forced if the
S2036 is removed or destroyed while the system is
operating.
b)Use of the redundant control signals (CNTRL0B
and CNTRL1B) to assure safe operation or no operation
in the event of a single point failure of any control signal.
Figure 3. OFC Connections
S2044
Fiber
Channel
Transmitter
OFC
S2045
Fiber
Channel
Receiver
CNTRL (1:0)
CNTRL 1(1B:0B)
P
L
REFCKIN
L
L
Fiber
Optic
TX
Fiber
Optic
RX
SD+:1=Light, 0=No Light
SD–:1=No Light, 0=Light
+ Laser Enable
– Laser Enable
Data
Loss of Signal (PECL)
SD+
SD-
Data
LOCKDETN
LOL1
LOL1B
LOL2
TCLK
L
L
O
O
WARNING! IMPORTANT!
The S2036 is equipped with an overrride func-
tion to permit activation of the attached laser
during module level testing. This function is op-
erable with the TESTEN held in the active high
state and OFCDEF held High and OFCDEFB
held Low only. It is the responsibility of the
manufacturer to isolate these inputs from acci-
dental activation by the end user. Failure to do
so may void the certification of the module or
the OEM system for Laser Safety Class 1 op-
eration.
Digital Filter
The digital filters integrate the incoming signals to
improve their reliability. The filters sample at a faster
rate when acquiring a light-present signal and at a
slower rate when dropping a light-present signal,
while maintaining the correct handshake timing.
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