ETC OD-B6211-ONUB

155.52 Mb/s UPSTREAM
622.08 Mb/s DOWNSTREAM ATM-PON OD-B6211-ONUB
OPTICAL TRANSCEIVER FOR ONU
FEATURES
GENERAL
• OPTICAL OUTPUT DEGRADE DETECTION (TX ALM)
• FULL COMPLIANCE WITH ITU-T G.983.1 CLASS-B
(155.52 MB/S UPSTREAM AND 622.08 MB/S DOWNSTREAM) FOR SINGLE FIBER BI-DIRECTIONAL
TRANSMISSION
• SHUT DOWN FUNCTION (SHUTDOWN)
• APPLIED to ONU(OPTICAL NETWORK UNIT) FOR
SINGLE FIBER BI-DIRECTIONAL TRANSMISSION ON
ATM-PON SYSTEM
• 622.08 Mb/s CONTINUOUS-MODE RECEIVER
OPERATING AT WAVELENGTH OF 1.5 µm
RECEIVER PART
• CLOCK AND DATA RECOVERY FUNCTION BY PLL
CIRCUIT
µm WDM FUNCTION BY
• INTEGRATED 1.3/1.5µ
EMPLOYING PLC (PLANAR LIGHTWAVE CIRCUIT)
• OPTICAL INPUT LOSS DETECTION (RX ALM)
• SINGLE POWER SUPPLY VOLTAGE of +3.3 V
TRANSMITTER PART
• 155.52 Mb/s BURST-MODE TRANSMITTER
OPERATING at WAVELENGTH of 1.3 µm
• INSTANTANEOUS OPERATION FROM THE 1st BIT
OF BURST CELL BY FEED-FORWARD APC CIRCUIT
EMPLOYING ROM
• LASER BIAS CURRENT CONTROL IN BURST-BYBURST (BIAS CNT)
BLOCK DIAGRAM
LD
Current
Control
EEP
ROM
Temp.
Sense
PLC Module
Mon.
PD
DATAIN
CLKIN
D-FF
LD
LD
Driver
1.3 µm
BIAS CONT
SHUTDOWN
Alarm
Det.
TX ALM
PLL
CLKOUT
DATAOUT
RX ALM
WDM
Pre-AMP
PD
Fiber
Out
1.5 µm
D-FF
Alarm
Det.
LIMAMP
Figure 1
California Eastern Laboratories
OD-B6211-ONUB
ABSOLUTE MAXIMUM RATINGS1
(TC = 25˚C, unless otherwise specified)
SYMBOLS
PARAMETERS
VCC
Power Supply Voltage
TSTG
Storage Temperature
UNITS
MIN
MAX
V
-0.3
+4.0
+85
°C
-40
Pf
Input Optical Power
dBm
-
0
VIN
Signal Input Voltage
V
-0.3
VCC+0.3
°C/sec
-
260/10
mm
30
-
N
-
2
TSOL
Lead Soldering Temperature
R
Bending Radius of Pigtail Fiber
Tensile Force on Pigtail2
Notes:
1. Operation in excess of any one of these parameters may result
in permanent damage.
2. = 200 gf
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
UNITS
MIN
TYP
MAX
REMARKS
TOP
Ambient Temperature
˚C
-40
-
+85
HA
Ambient Humidity
%
5
-
95
VCC
Power Supply Voltage
V
IOP
Power Supply Current
mA
-
-
350
Not include LVPECL
termination current
mVpp
-
-
100
Noise frequency at 100 Hz to
1 MHz
Power Supply Noise
+3.135 +3.300 +3.465
OPTICAL INTERFACE
TRANSMITTER SECTION
ITEMS
UNIT
SPECIFICATIONS
REMARKS
OD-B6211-ONUB
Operating wavelength
Normal bit rate
nm
1260 to 1360
Mb/s
155.52
Line code
-
Scrambled NRZ (burst-mode)
Photo diode
-
MLM-LD
Mean output power
dBm
-4 to +2
-
Mask spec
Exctintion ratio
dB
more than 10
Spectral width (RMS)
nm
less than 5.8
dBm
less than -40
Consecutive identical digit
immunity
bit
more than 72
Tolerance to the transmitter
incident light power
dB
more than -15
Maximum reflectance
dB
less than -6
measured at wavelength
µm
of 1.3µ
-
Mask spec
Figure 3
Ulp-p
less than 0.2
Optical output waveform
Launched optical power
without input to the
transmitter
Jitter Transfer
Jitter Tolerance
Figure 2 (after passing
through a 4th-order Thomson
filter; fc = 0.75 x 155.52 MHz)
frequency range from
0.5 kHz to 1.3 MHz
OD-B6211-ONUB
OPTICAL INTERFACE
RECEIVER SECTION
ITEMS
UNIT
SPECIFICATIONS
REMARKS
OD-B6211-ONUB
Operating wavelength
Normal bit rate
Line code
Photo diode
nm
1480 to 1580
Mb/s
622.08+/-100ppm
-
Scrambled NRZ (continuous-mode)
-
PIN-PD
Minimuim sensitivity
dBm
less than -28
Bit error rate is 10-10
at 223 -1 pattern
Maximum overload
dBm
more than -6
Bit error rate is 10-10
at 223 -1 pattern
Consecutive identical digit
immunity
bit
more than 72
Tolerance to the reflected
optical power
dB
less than 10
Maximum reflectance
dB
less than -20
measured at wavelength
µm
of 1.5µ
Jitter Transfer
-
Mask spec
Figure 3
Jitter Tolerance
-
Mask spec
Figure 4
1.13
1.0
0.87
0.8
0.5
0.2
0.13
0
0.0 0.1
0.35
0.5
0.65
-0.13
0.9 1.0
1 TIME SLOT (155.52 Mb/s)
0.1
Slope = -20 dB/dec
Frequency
130 kHz
FIGURE 3. Jitter transfer mask
Input jitter amplitude
Jitter gain (dB)
FIGURE 2. Mask of eye diagram
0.75
Ulp-p
slope = -20 dB/dec
0.075
Ulp-p
Frequency
6.5 kHz
65 kHz
FIGURE 4. Jitter tolerance mask
OD-B6211-ONUB
PIN CONNECTIONS
PIN INPUT/
NO. OUTPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
TOP VIEW
1 VCC TX
2 GND
3 BIAS CNT+
4 BIAS CNT5 TX ALM
6 CLK IN+
7 CLK IN8 GND
9 DATA IN+
10 DATA IN11 SHUTDOWN
12 VCC TX
13 TEST PIN
14 TEST PIN
15 TEST PIN
16 TEST PIN
VCC RX 28
GND 27
GND 26
GND 25
RX ALM 24
CLK OUT+ 23
CLK OUT- 22
GND 21
DATA OUT+ 20
DATA OUT- 19
GND 18
VCC RX 17
TX
RX
I
I
O
I
I
I
I
I
O
O
O
O
O
-
SYMBOL
VCC TX
GND
BIAS CNT+
BIAS CNTTX ALM
CLK IN+
CLK INGND
DATA IN+
DATA INSHUTDOWN
VCC TX
TEST PIN
TEST PIN
TEST PIN
TEST PIN
VCC RX
GND
DATA OUTDATA OUT+
GND
CLK OUTCLK OUT+
RX ALM
GND
GND
GND
VCC RX
DESCRIPTION
Transmitter power supply (+3.3V)
Ground
Laser bias control (positive)
Laser bias control (negative)
Optical output alarm
Clock input (positive)
Clock input (negative)
Ground
Data input (positive)
Data input (negative)
Optical output shut down
Transmitter power supply (+3.3V)
Connect to ground
Connect to ground
Connect to ground
Connect to ground
Receiver power supply (+3.3V)
Ground
Data output (negative)
Data output (positive)
Ground
Clock output (negative)
Clock output (positive)
Optical input alarm
Ground
Ground
Ground
Receiver power supply (+3.3V)
OUTLINE DIMENSIONS (Units in mm)
17
40.2±0.6
35.56
28
17.3±0.6
TOP VIEW
16
1
55.0±0.6
5.2
8.2±0.3
9.72
2.54 X 15 = 38.1
φ0.64
OD-B6211-ONUB
DATE XXXX-XX
NO.XXXX
MADE IN JAPAN
NEC
DATE
ex) 2001-01
Serial Number
ex) 1234
Note: Default pigtail fiber length (L) is 540 (+0/-40) mm.
Default optical connector is SC type.
EXCLUSIVE NORTH AMERICAN AGENT FOR
RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279
24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) • Internet: http://WWW.CEL.COM
DATA SUBJECT TO CHANGE WITHOUT NOTICE
03/29/2001