optoway GBB-7420G *********************************************************************************************************************************************************************** *********************************************************************************************************************************************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 12/1/2005 v2.0 1 GBB-7420G (rohs compliant) 1310 nm tx / 1550 nm rx , 5v / 1.25 gbps single-mode wdm gigabit interface converter (gbic) *********************************************************************************************************************************************************************** features l 1-fiber sm gigabit interface converter (gbic) l compliant with gbic specification rev. 5.5 l compliant with ieee-802.3ah 1000base-bx l compliant with fibre channel fc-ph-2 for 100-m5-sn-1 and 100-m6-sn-1 l hot pluggable module with sc connector l 1310 nm ld transmitter l 1550 nm receiver l 2 m to 20 km using single-mode optic cable l sca-2 host connector l single +5 v power supply l rohs compliant l differential pecl inputs and outputs l ttl rx-los output l class 1 laser international safety standard iec 60825 compliant applications l wdm gigabit ethernet links l sonet/sdh equipment interconnect l fibre channel links description the GBB-7420G series single-mode optical transceivers meet the gigabit interface converter (gbic) specification rev. 5.5. it satisfies the optical interface specifications defined in ieee 802.3ah 1000base bx by using 1310 nm transmitter and 1550 nm receiver. the transmitter section uses a multiple quantum well laser and is a class 1 laser compliant according to international safety standard iec 60825. the receiver section uses an integrated 1550 nm detector preamplifier (idp) mounted in an optical header and a limiting post-amplifier ic. a pecl input / output logic interface is used. ttl rx-los output simplifies interface to external circuitry. a 20-pin sca-2 host connector is used to connect the converter to the host system. laser safety this single mode transceiver is a class 1 laser product. it complies with iec 60825 and fda 21 cfr 1040.10 and 1040.11. the transceiver must be operated within the specified temperature and voltage limits. the optical ports of the module shall be terminated with an optical connector or with a dust plug. order information p/no. bit rate (gb/s) distance (km) tx (nm) rx (nm) package temp ( o c) tx power (dbm) rx sens. (dbm) rohs compliant GBB-7420G 1.25 20 1310 1550 sc gbic 0 to 70 -3 to -8 -22 yes absolute maximum ratings parameter symbol min max units notes storage temperature tstg -40 85 o c operating case temperature topr -5 70 o c power supply voltage vcc -0.5 6 v input voltage --- -0.5 vcc v relative humidity rh 5 95 % recommended operating conditions parameter symbol min typ max units power supply voltage vcc 4.75 5 5.25 v power supply current i tx + i rx 200 300 ma operating case temperature topr 0 70 o c data rate 1000 1250 mb/s
optoway GBB-7420G *********************************************************************************************************************************************************************** *********************************************************************************************************************************************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 12/1/2005 v2.0 2 transmitter specifications (0 o c < topr < 70 o c, 4.75v < vcc < 5.25v) parameter symbol min typ max units notes optical optical transmit power po -8 --- -3 dbm 1 output center wavelength l 1280 1310 1350 nm output spectrum width dl 2 nm rms ( ) extinction ratio e r 9 db optical rise time t r 0.26 ns 20% to 80% value optical fall time t f 0.26 ns 20% to 80% value relative intensity noise rin -120 db/hz total jitter tj 227 ps 2 max. po at tx-disable asserted -35 dbm electrical differential input voltage v ih - v il 0.65 2.0 vp-p transmit fault load tx-fault load 4.7 10 k 3 transmit fault output-low v tx-fault -l 0.0 0.5 v transmit fault output-high v tx-fault-h vcc C 0.5 vcc + 0.3 v tx-disable input - low v tx-disable -l 0 0.8 v tx-disable input - high v tx-disable-h 2.0 vcc + 0.3 v tx-disable assert time t_off 10 m s tx-disable negate time t-on 1 ms time to initialize, includes reset of tx-fault t-int 300 ms tx fault from fault to assertion t-fault 100 m s tx-disable time to start reset t-reset 10 m s notes: 1. output power is power coupled into a 9/125 m m single mode fiber. 2. measured with a 2 7 -1 prbs. 3. pull-up resistor on host vcc. receiver specifications (0 o c < topr < 70 o c, 4.75 v < vcc < 5.25v) parameter symbol min typ max units notes optical sensitivity --- --- --- -22 dbm 4 maximum input power pin -3 --- dbm 4 signal detect C hysteresis 1.0 --- db wavelength of operation 1480 1580 nm 5 optical return loss orl 12 db rx-los C asserted pa --- --- -22 dbm transition: low to high rx-los C deasserted pd -31 --- --- dbm transition: high to low electrical differential output voltage v oh - v ol 0.37 2.0 vp-p data output rise time tr rx-dat 0.35 ns data output fall time tf rx-dat 0.35 ns rx-los of light load rx-los load 4.7 10 k 6 rx-los output voltage --- low v rx-los-l 0 0.5 v rx-los outpu voltage --- high v rx-los-h 2.4 vcc v rx-los assert time (off to on) t a,rx-los 100 m s rx-los deassert time (on to off) t d,rx-los 100 m s notes: 4. minimum sensitivity and saturation levels at ber=1e-12 for a 2 7 -1 prbs. 5. at least 30 db optical isolation for the wavelength 1260 to 1360 nm. 6. pull-up resistor on host vcc.
optoway GBB-7420G *********************************************************************************************************************************************************************** *********************************************************************************************************************************************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 12/1/2005 v2.0 3 pin assignment pin signal name sequence description 1 rx-los 2 receiver loss of signal, logic high, open collector compatible, 4.7k to 10k ohm pull-up to v cc t on host 2 r gnd 2 receiver ground 3 r gnd 2 receiver ground 4 mod-def(0) 2 ttl low 5 mod-def(1) 2 scl serial clock signal 6 mod-def(2) 2 sda serial data signal 7 tx-diable 2 transmitter disable, logic high, open collector compatible 8 t gnd 2 transmitter ground 9 t gnd 2 transmitter ground 10 tx-fault 2 transmitter fault, logic high, open col lector compatible, 4.7k to 10k ohm pull-up to v cc t on gbic 11 r gnd 1 receiver ground 12 -rx-dat 1 receiver data bar, differential pecl, ac coupled 13 +rx-dat 1 receiver data, differential pecl, ac coupled 14 r gnd 1 receiver ground 15 v cc r 2 receiver +5v supply 16 v cc t 2 transmitter +5v supply 17 t gnd 1 transmitter ground 18 +tx-dat 1 transmitter data, differential pecl, ac coupled 19 -tx-dat 1 transmitter data bar, differential pecl, ac coupled 20 t gnd 1 transmitter ground a sequence value of 1 indicates that the signal is in the first group to engage during plugging of a module. a sequence value of 2 indicates that the signal is the second and last group. the two guide pins on the connector are electrically connected to the transceiver circuit ground. these two guide pins make contact with circuit prior to sequence 1 signals. module definition module definition mod-def(0) pin 4 mod-def (1) pin 5 mod-def (2) pin 6 interpretation by host 4 ttl low scl sda serial module definition protocol module definition 4 specifies a serial definition protocol. for this definition, upon power up, mod-def(1:2) appear as no connector (nc) and mod-def(0) is ttl low. when the host system detects this condition, it activates the serial protocol. the protocol uses the 2-wire serial cmos e 2 prom protocol of the atmel at24c01a/02/04 family of components.
optoway GBB-7420G *********************************************************************************************************************************************************************** *********************************************************************************************************************************************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 12/1/2005 v2.0 4 package diagram units in mm note: specifications subject to change without notice.
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