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參數(shù)資料
| 型號(hào)： | FTLF1428P2BNV |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1285-1345nm, 8500Mbps(Tx), 8500Mbps(Rx), PANEL MOUNT, LC CONNECTOR |
| 封裝： | ROHS COMPLIANT PACKAGE |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 709K |
| 代理商： | FTLF1428P2BNV |
FTLF1428P2BNV Product Specification – October 2008
F i n i s a r
Finisar Corporation October 29, 2008 Rev. C1
Page 2
I.
Pin Descriptions
Pin
Symbol
Name/Description
Ref.
1
VEET
Transmitter Ground (Common with Receiver Ground)
1
2
TFAULT
Transmitter Fault.
2
3
TDIS
Transmitter Disable. Laser output disabled on high or open.
3
4
SDA
2-wire Serial Interface Data Line (MOD-DEF2)
4
5
SCA
2-wire Serial Interface Clock (MOD-DEF1)
4
6
MOD_ABS
Module Absent, connected to VEET or VEER
4
7
RS0
Rx Rate Select:
Open or Low =
High =
2.125 or 4.25 Gb/s Fibre Channel (Low Bandwidth)
8.5 Gb/s Fibre Channel (High Bandwidth)
5
8
LOS
Loss of Signal indication. Logic 0 indicates normal operation.
6
9
RS1
Tx Rate Select:
Open or Low =
High =
2.125 or 4.25 Gb/s Fibre Channel (Low Bandwidth)
8.5 Gb/s Fibre Channel (High Bandwidth)
5
10
VEER
Receiver Ground (Common with Transmitter Ground)
1
11
VEER
Receiver Ground (Common with Transmitter Ground)
1
12
RD-
Receiver Inverted DATA out. AC Coupled
13
RD+
Receiver Non-inverted DATA out. AC Coupled
14
VEER
Receiver Ground (Common with Transmitter Ground)
1
15
VCCR
Receiver Power Supply
16
VCCT
Transmitter Power Supply
17
VEET
Transmitter Ground (Common with Receiver Ground)
1
18
TD+
Transmitter Non-Inverted DATA in. AC Coupled.
19
TD-
Transmitter Inverted DATA in. AC Coupled.
20
VEET
Transmitter Ground (Common with Receiver Ground)
1
Notes:
1.
Circuit ground is internally isolated from chassis ground.
2.
TFAULT is an open collector/drain output, which should be pulled up with a 4.7k – 10k Ohms resistor on
the host board if intended for use. Pull up voltage should be between 2.0V to Vcc + 0.3V. A high
output indicates a transmitter fault caused by either the TX bias current or the TX output power
exceeding the preset alarm thresholds. A low output indicates normal operation. In the low state, the
output is pulled to <0.8V.
3.
Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.
4.
Should be pulled up with 4.7k – 10kohms on host board to a voltage between 2.0V and 3.6V.
MOD_ABS pulls line low to indicate module is plugged in.
5.
Rate select can also be set through the 2-wire bus in accordance with SFF-8472 v. 10.2. Rx Rate
Select is set at Bit 3, Byte 110, Address A2h. Tx Rate Select is set at Bit 3, Byte 118, Address A2h.
Note: writing a “1” selects maximum bandwidth operation. Rate select is the logic OR of the input
state of Rate Select Pin and 2-wire bus.
6.
LOS is open collector output. Should be pulled up with 4.7k – 10kohms on host board to a voltage
between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
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