AFCT-5750Z and AFCT-5755Z
Families of Small Form Factor Pluggable (SFP) Optical Transceivers
for Single-Mode OC12/STM-4 with Optional DMI
Part of the Avago Technologies METRAK Family
Data Sheet
Description Features
ROHS compliant
The AFCT-575xZ family of SFP optical transceivers for
Optional Digital Diagnostic Monitoring available
OC12/STM-4 offers the customer a range of design op -
- AFCT-5750Z family: without DMI
tions, including optional DMI (further described later),
- AFCT-5755Z family: with DMI
extended or industrial temperature ranges, and standard
Per SFF-8472, diagnostic features on AFCT-5755Z
push-button or or bail delatch. The AFCT-5755Z fam-
family enable Diagnostic Monitoring Interface for
ily targets applications requiring DMI features, and the
optical transceivers with real-time monitoring of:
AFCT-5750Z family is streamlined for those applications
- Transmitted optical power
where DMI features are not needed. Throughout this
- Received optical power
document, AFCT-575xZ will refer collectively to the en-
- Laser bias current
tire product family encompassing this range of product
- Temperature
features.
- Supply voltage
Part Number Options
Compliant with SFF-8074i SFP transceiver specifica -
tion
The AFCT-575xZ family consists of the following prod-
Compliant with ITU-T G957 STM-4 I-4 (2 km) and
ucts:
STM-4 S-4.1 (15 km)
With DMI
Compliant with Telcordia GR253 SR (2 km),
Part Number Temperature Design Distance
IR-1 (15 km)
AFCT-5755LZ Extended* Standard SR (2km)
Class 1 CDRH/IEC 825 eye safety compliant
AFCT-5755PZ Extended* Bail SR
Operating case temperature range
AFCT-5755ALZ Industrial* Standard SR
10 C to +85 C (Extended)
AFCT-5755APZ Industrial* Bail SR
40 C to +85 C (Industrial)
AFCT-5755TLZ Extended* Standard IR (15km)
Multitrate operation from 155Mbps to 622Mbps
AFCT-5755TPZ Extended* Bail IR
LC duplex fiber connector
AFCT-5755ATLZ Industrial* Standard IR
Manufactured in an ISO 9001 compliant facility
AFCT-5755ATPZ Industrial* Bail IR
Applications
Without DMI
ATM switches and routers
Part Number Temperature Design Distance
SONET/SDH switch infrastructure
AFCT-5750LZ Extended* Standard SR (2km)
Broadband aggregation applications
AFCT-5750PZ Extended* Bail SR
Metro edge switching
AFCT-5750ALZ Industrial* Standard SR
Metro and access multi-service platforms
AFCT-5750APZ Industrial* Bail SR
Suitable for Fast Ethernet applications
AFCT-5750TLZ Extended* Standard IR (15km)
Related Products
AFCT-5750TPZ Extended* Bail IR
AFCT-576xZ family of OC3 SFP transceivers with op-
AFCT-5750ATLZ Industrial* Standard IR
tional DMI
AFCT-5750ATPZ Industrial* Bail IR
AFCT-5745L/P family of OC48 SFP transceivers with
* Extended Temperature Range is -10 to 85 degrees C
DMI
Industrial Temperature Range is -40 to 85 degrees CGeneral Features SFP MSA Compliance
The AFCT-575xZ family of SFP optical transceivers are The product package is compliant with the SFP MSA with
high performance, cost effective modules for serial op - the LC connector option. The SFP MSA includes specicfi a -
tical data communications applications ranging from tions for mechanical packaging and performance as well as
155-622 Mbps. They are designed to provide SONET/ dc, ac and control signal timing and performance.
SDH compliant connections for 622 Mbps at short and
The power supply is 3.3 V dc.
intermediate reach links. This includes specicfi ations for
The High Speed I/O (HSIO) signal interface is a Low Voltage
the signal coding, optical bfi er and connector types, opti -
Dieff rential type. It is ac coupled and terminated internally
cal and electrical transmitter characteristics, optical and
to the module. The internal termination is a 100 Ohm dif-
electrical receiver characteristics, jitter characteristics, and
ferential load.
compliance testing methodology for the aforementioned.
These transceivers are qualiefi d in accordance with GR-
Installation
468-CORE.
The AFCT-575xZ can be installed in any SFF-8074i compli-
The transmitter section of the SR and IR transceivers incor-
ant Small Form Pluggable (SFP) port regardless of host
porate a 1300nm Fabry Perot (FP) laser. For each device the
equipment operating status. The module is hot-plug-
receiver section uses an MOVPE grown planar PIN photo-
gable, allowing it to be installed while the host system
detector for low dark current and excellent responsivity. A
is operating and online. Upon insertion, the transceiver
positive-ECL logic interface simpliefi s interface to external
housing makes initial contact with the host board SFP
circuitry. The receiver section contains an InGaAs/InP
cage, mitigating potential damage due to electrostatic
photo detector and a preampliefi r mounted in an optical
discharge (ESD).
subassembly. This optical subassembly is coupled to a
postampliefi r/decision circuit on a circuit board.
The AFCT-575xZ family of optical transceivers adds digital
diagnostic monitoring to standard SFP functionality, en-
abling fault isolation, components monitoring and failure
prediction capabilities.
Receiver Electrical Interface
Optical Interface
RD+ (Receive Data)
Amplification
&
Light from Fiber Photo-Detector
Quantization
RD- (Receive Data)
Rx Loss Of Signal
MOD-DEF2 (SDA)
text
Controller & Memory
MOD-DEF1 (SCL)
MOD-DEF0
Transmitter
TX_DISABLE
TD+ (Transmit Data)
Laser Driver &
Light to Fiber Laser
Safety Circuit
TD- (Transmit Data)
TX_FAULT
Figure 1. Transceiver Functional Diagram
2