MGBC-20-4-2L-SL datasheet, PDF

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MGBC-20-4-2L-SL: DescriptionEthernet Transceiver,; CategoryWireless rf/communication Telecom circuit; File Size138KB，16 Pages; ManufacturerMethode Electronics Inc.

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MGBC-20-4-2L-SL Overview

Ethernet Transceiver,

MGBC-20-4-2L-SL Parametric

Parameter Name	Attribute value
Maker	Methode Electronics Inc.
Reach Compliance Code	unknown
JESD-30 code	R-XXFO-X
Number of functions	1
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	FIBER OPTIC
Certification status	Not Qualified
Nominal supply voltage	3.3 V
surface mount	NO
Telecom integrated circuit types	ETHERNET TRANSCEIVER
Temperature level	COMMERCIAL
Terminal form	UNSPECIFIED
Terminal location	UNSPECIFIED

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MGBC-20-4-X-XL Optical Gigabit Ethernet - +3.3V

Gigabit Interface Converter (GBIC)

Features

Compliant with Gigabit Interface Converter

(GBIC) operational specifications

Compliant With IEEE802.3z 1000BASE-LX and

1000BASE-SX

Hot pluggable

Single +3.3V Power Supply

Supports Serial ID functionality

PRODUCT OVERVIEW

The MGBC-20-4-X-XL GBIC transceiver module is a high

performance integrated duplex data link for bi-directional

communication over single mode or multimode optical

fiber. It is compliant with the Gigabit Interface Converter

(GBIC) specification. The MGBC-20 is specifically

designed for high speed Gigabit Ethernet data links at

1.25 Gb/s. The Methode GBIC transceiver is hot

pluggable which allows a suitably designed enclosure to

be changed from one type of external interface to

another simply by plugging in a GBIC having the alterna-

tive external interface. The MGBC-20-4-X-XL operates at

3.3V.

SHORT WAVELENGTH LASER

The use of short wavelength lasers and high volume

production processes has resulted in a low cost, high

performance datalink which communicates reliably at

distances of 500 m over 50µm multimode optical fiber

with data transfer rates of 1.25 GBaud.

LONG WAVELENGTH LASER

For intermediate and long reach data links, the

MGBC-20-4-2-XL with single mode optics can extend the

interconnect distance in excess of 20km.

ORDERING INFORMATION

MGBC - 20 - 4 - X - XL

MODULE SPECIFICATIONS - ABSOLUTE MAXIMUM RATINGS

PARAMET ER

Storage Temperature

Supply Voltage

Data AC Voltage

Data DC Voltage

SYMBOL

Tstg

T, V

Tx+, Tx-

MIN

-40

+3.3V POWER SUPPLY

SERIAL IDENTIFICATION OPTION

Blank

- No Serial ID

- Serial ID

WAVELENGTH

- 850nm ( multimode )

- 1300nm (single mode) 2km

- 1300nm (single mode) 10km

- 1300nm (single mode) 20km

COMMUNICATIONS PROTOCOL

- Fibre Channel 1.0625 GBaud

- Gigabit Ethernet 1.25 GBaud

-10

MAX

6.00

2.6

UNIT S

°C

Vpp

Vpk

NOT ES

- ground

Differential

V (Tx+ or Tx-) - ground

MODULE SPECIFICATION - RECOMMENDED OPERATING CONDITIONS

PARAMET ER

Ambient Operating Temperature

Supply Voltage

Baud Rate

SYMBOL

T, V

BRate

MIN

3.15

T YP

3.3

1250

MAX

3.45

UNIT S

°C

VDC

MBaud

NOT ES

9245.01

MGBC-20-4-X-XL Optical Gigabit Ethernet - +3.3V

Gigabit Interface Converter (GBIC)

POWER COUPLING

A suggested layout for power and ground connections is given in figure 2A below. Connections are made via separate voltage and

ground planes. The mounting posts are at case ground and should not be connected to circuit ground. The ferrite bead should provide

a real impedance of 50 to 100 ohms at 100 to 1000 MHz. Bypass capacitors should be placed as close to the 20 pin connector as

possible.

Figure 2A. Suggested Power Coupling

SIGNAL DESCRIPTION:

TX_FAULT:

Active high signal. A TX_FAULT is defined as the failure of the optical output of the GBIC and it is internally latched. On

the rising edge of the TX_DISABLE, the latched laser fault will be cleared and TX_FAULT will remain deasserted while TX_DISABLE is

asserted. The host shall provide a 4.7K to 10K Ohm pull up resistor to Vcc. The TX_FAULT will also be asserted but not latched if the

Vcc falls below the lower Vcc limit.

TX_DISABLE

Active high logic input which disables the optical output. This signal is driven by the host. While asserted, the GBIC

module disables all laser light output. This pin is internally pulled up to Vcc through a 10K Ohm resistor for short wavelength and a

4.7K Ohm resistor for long wavelength. The TX_DISABLE must be pulled low or connected to circuit ground by the host to enable the

GBIC output.

RX_LOS

The RX_LOS signal is intended as a preliminary indication to the system in which the GBIC is installed that the link signals

are likely to be outside the required values for proper operation. Such indications typically point to non-installed cables, broken cables,

or a disabled, failing or powered off transmitter at the far end of the cable. Additional indications are provided by the system in which

the GBIC is installed to verify that the information being transmitted is valid, correctly encoded and in the correct format. Such

additional indications are outside the scope of the GBIC specification. RX_LOS will also be asserted if the Vcc falls below the lower

Vcc limit. The host shall provide a 4.7k to 10k Ohm pullup resistor to Vcc.

RGND

Receiver ground. It is internally connected to TGND plane.

TGND

Transmitter ground. It is internally connected to RGND plane.

±RX_DAT

High speed serial differential PECL receiver data.

±TX_DAT

High speed serial differential PECl transmit data.

BOTTOM VIEW

Figure 2B. Suggested Power Coupling

9245.01

MGBC-20-4-2L-SL Related Products

	MGBC-20-4-2L-SL	MGBC-20-4-1-SL	MGBC-20-4-1-L	MGBC-20-4-2-SL	MGBC-20-4-2L-L	MGBC-20-4-2-L	MGBC-20-4-2M-SL	MGBC-20-4-2M-L
Description	Ethernet Transceiver,	Ethernet Transceiver,	Ethernet Transceiver,	Ethernet Transceiver,	Ethernet Transceiver,	Ethernet Transceiver,	Ethernet Transceiver,	Ethernet Transceiver,
Maker	Methode Electronics Inc.	Methode Electronics Inc.	Methode Electronics Inc.	Methode Electronics Inc.	Methode Electronics Inc.	Methode Electronics Inc.	Methode Electronics Inc.	Methode Electronics Inc.
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
JESD-30 code	R-XXFO-X	R-XXFO-X	R-XXFO-X	R-XXFO-X	R-XXFO-X	R-XXFO-X	R-XXFO-X	R-XXFO-X
Number of functions	1	1	1	1	1	1	1	1
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
Package body material	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	FIBER OPTIC	FIBER OPTIC	FIBER OPTIC	FIBER OPTIC	FIBER OPTIC	FIBER OPTIC	FIBER OPTIC	FIBER OPTIC
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Nominal supply voltage	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	NO	NO	NO	NO	NO	NO	NO	NO
Telecom integrated circuit types	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal form	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Terminal location	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED

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