XFP-10GER-192IR
The XFP-10GER-192IRis programmed to be fully
compatible and functional with all intended CISCO
switching devices. This XFP optical transceiver is
designed for IEEE 802.3ae 10GBASE-ER, 10GBASEEW, 10GFC and OC-192/STM-64 interconnects and is
compliant with the XFP Multi-Source Agreement (MSA)
Specification. This module is designed for single mode
fiber and operates at a nominal wavelength of 1550nm up
to 40KM..
Features:
Compliance:
● IEEE 802.3ae 10GBASE-ER/EW
● XFP 10GFC/OC192
● XFP MSA
● RoHS-6
● Class 1 laser product EN 60825-1
● Data rates from 9.95 Gbps to 10.5 Gbps
Applications:
● 10GBASE-ER/EW Ethernet
● 10GB Fiber Channel 40KM
● Built-in Digital Diagnostic Functions
●Up to 40KM over 9/125 SMF
● Uncooled 1550nm DFB laser
● Duplex LC Connector
● 30 pin XFP compatible connector
● Hot-pluggable XFP footprint
● Standard bail mechanism
● Operating Case Temperature: C-Temp: 0º to 70º
General Specifications
Symbol
Min
Data Rate
Parameter
DR
9.95
Bit Error Rate
BER
10-12
P
3.5
W
Total Power Consumption
Type
Max
Unit
Remarks
10.5
GBd
10GBase-SR/SW
Supply Voltage 3.3V
VCC3
3.13
3.3
3.45
V
Operating Environment
Supply Voltage 1.8V
VCC1.8
1.71
1.8
1.89
V
Operating Environment
Supply Current 1.8V
ICC1.8
750
mA
450
mA
85
ºC
Supply Current 3.3V
ICC3
Storage Temperature
Tsto
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-40
Ambient Temperature
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Link Distances
Parameter
Fiber Type
Distance Range (km)
9.95- 10.5 GBd
9/125um SMF
40
Optical Characteristics - Transmitter
Parameter
Symbol
Min
Max
Unit
λ
1530
1580
nm
3
dBm
Optical Center Wavelength
Output Optical Power
POUT
Optical Modulation Amp
OMA
-1
Launch Power of OFF Transmitter
POUT_OFF
Side Mode Suppression Ratio
Average
dBm
-30
dBm
SMSR
30
dB
Extinction Ratio
ER
8.2
dB
Relative Intensity Noise
RIN
Transmitter Dispersion Penalty
TDP
Transmitter Jitter
Remarks
-130
dB/Hz
2
dB
Average
According to IEEE 802.3ae requirement
Optical Characteristics Receiver
Parameter
Symbol
Min
Max
Unit
Optical Center Wavelength
λC
1260
1600
nm
Optical Input Power
PIN
0.5
Remarks
dBm
Average
Receiver Sensitivity in
OMA @ 10.3GBd
PSENS1
-16
dBm
Worst ER: BER<10-12
231-1 PRBS
Stressed Receiver Sensitivity in
OMA @ 10.3GBd
PSENS2
-11.3
dBm
IEEE 802.3ae
Receiver Reflectance
TRRX
-27
dB
LOS Assert
LOSA
-32
dBm
LOS De-Assert
LOSD
-18
dBm
LOS Hysteresis
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0.5
•
dB
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Electrical Characteristics - Transmitter
Parameter
Symbol
Input differential impedance
RIN
Differential Data Input Swing
Min
Type
Max
100
Unit
Remarks
Ω
After Internal AC
Coupling
VIN_PP
120
820
mV
Transmit Disable Voltage
VD
2
VCC
V
Transmit Enable Voltage
VEN
GND
GND +0.8
V
10
us
Transmit Disable Assert Time
Electrical Characteristics - Receiver
Parameter
Differential data output swing
Data output rise time
Symbol
Min
Type
Max
Unit
VOUT_PP
340
650
850
mV
38
ps
20%-80%
20%-80%
TR
Data output fall time
Remarks
38
ps
LOS Fault
VLOS_F
VCC-0.5
VCC_HOST
V
LOS Normal
VLOS_N
GND
GND+0.5
V
Symbol
Min
Max
Unit
Remarks
TS
-40
85
ºC
Ambient Temperature
VCC5
-0.5
5.5
V
Supply Voltage 3.3V
VCC3
-0.5
4
V
Supply Voltage 1.8V
VCC1.8
-0.5
2
V
TF
Absolute Maximum Ratings
Parameter
Storage Temperature
Supply Voltage 5V
Digital Diagnostic Functions
The XFP support the 2-wire management interface which is used for serial ID, digital diagnostics,
and certain control functions. It is modeled on the SFF-8472 Rev 9.3 specification modified to
accommodate a single 2-wire interface address. In addition to the basic I2C read/write functionality
the modules support packet error checking that, when enabled, allows the host system to confirm the
validity of any read data. Details of the protocol and interface are explicitly described in the MSA. And
the digital diagnostic functions via a 2-wire serial interface can provide real-time access to following
operating parameters:
a. Transceiver Temperature
b. Laser Bias Current
c. Transmitted Optical Power
d. Received Optical Power
e. Transceiver Supply Voltage
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Block Diagram of Transceiver
Transmitter Section- The Laser Driver accept differential input data and provide bias and modulation currents for driving a laser. An
automatic power control (APC) feedback loop is incorporated to maintain a constant average optical power. Laser in an eye safe optical
subassembly (OSA) mates to the fiber cable. TX CDR is used to overcomes host board and connector signal degradations by reshaping,
regenerating, and attenuating jitter.
TXDIS- TX_DIS is an input pin. When TX_DIS is asserted High, the XFP module transmitter output must be turned off.
Receiver Section- The Receiver utilizes a PIN detector integrated with a trans-impedance preamplifier in an OSA. The OSA is connected to a limiting Amplifier which providing post-amplification quantization, and optical signal detection. The limiting amplifier is AC
coupled to the Trans-impedance amplifier , with internal 100ohm differential termination. RX CDR is used to overcomes host board
degradations by reshaping, regenerating, and attenuating jitter.
LOS- The LOS of an output pin , when LOS is high, it indicates insufficient optical power for reliable signal reception.
MODNR- The MODNR is an output pin that when High, indicates that the module has detected a condition that renders transmitter and
or receiver data invalid, shall consist of logical OR of the following signals:
a. Transmit Signal Conditioner Loss of Lock
b. Transmitter Laser Fault
c. Receiver Signal Conditioner Loss of Lock
Controller Section- The micro controller unit initializes the control register of laser driver, limiting amplifier and CDR. And monitors
the running information from the laser driver, limiting amplifier and CDR. Then report these information to the customer.
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Dimensions
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PCB Layout Recommendation
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Electrical Pad Layout
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Pin Assignment - Pin 1 to Pin 35:
PIN #
Symbol
I/O
Logic
Description
1
GND
Module Ground
Module ground pins (GND) are isolated
from the module case and chassis ground
within the module
2
VEE5
Optional - 5.2 Power Supply (Not required)
3
Mod-DES
LVTTL-I
Module De-select, when held low allows the module to
respond to 2-wire serial interface commands
4
Interrupt
LVTTL-O
Indicates presence of an important condition which can be
read over the serial 2-wire interface
5
TX_DIS
LVTTL-I
Transmitter Disable, Transmitter laser source off
6
VCC5
+5V Power Supply
7
GND
Module Ground
8
VCC3
+3.3V Power Supply
9
VCC3
+3.3V Power Supply
10
SCL
LVTTL-I
11
SDA
Should be pulled up with 4.7kΩ-10kΩ on
host board to a voltage between 3.15V
and 3.6V
Same as Pin# 1
Serial 2-wire interface clock
Same as Pin# 4
LVTTL-I/O
Serial 2-wire interface data line
Same as Pin# 4
LVTTL-O
Module Absent, Module is not present. Grounded in the
module
Same as Pin# 4
12
Mod_Abs
13
Mod_NR
LVTTL-O
Module Not Ready, Module operating fault
Same as Pin# 4
14
RX_LOS
LVTTL-O
Receiver Loss of Signal indicator
Same as Pin# 4
15
GND
Module Ground
Same as Pin# 1
16
GND
Module Ground
Same as Pin# 1
17
RD-
CML-O
Receiver inverted data output
18
RD+
CML-O
Receiver non-inverted data output
19
GND
Module Ground
20
VCC2
+1.8V Power Supply
Same as Pin# 1
Power Down, When high, places the module in the low power stand-by mode and on the falling edge of
P_Down initiates a module rest
21
P_Down/RST
22
VCC2
23
GND
Module Ground
24
RefCLK+
PECL-I
Reference Clock non-inverted input, AC coupled on the
host board
25
RefCLK+
PECL-I
Reference Clock non-inverted input, AC coupled on the
host board
26
GND
Module Ground
Same as Pin# 1
27
GND
Module Ground
Same as Pin# 1
LVTTL-I
Reset, The falling edge initiates a complete reset of the module including the 2-wire serial interface,
equivalent to a power cycle
+1.8V Power Supply
28
TD-
CML-I
Transmitter inverted data output
29
TD+
CML-I
Transmitter non-inverted data output
30
GND
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Module Ground
•
Same as Pin# 1
Same as Pin# 1
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