參數(shù)資料
型號(hào)： HFBR-5710LP
英文描述： Small Form Factor Pluggable Optical Transceiver for Gigabit
中文描述： 小型可插拔光收發(fā)器千兆
文件頁(yè)數(shù)： 2/15頁(yè)
文件大?。?/td> 264K
代理商： HFBR-5710LP
2
Figure 1. HFBR-5710L block diagram.
Overview
The HFBR-5710L offers maxi-
mum flexibility to designers,
manufacturers, and operators of
Gigabit Ethernet networking
equipment. A pluggable architec-
ture allows the module to be
installed into MSA standard SFP
ports at any time – even with the
host equipment operating and
online. This facilitates the rapid
configuration of equipment to
precisely the user’s needs –
reducing inventory costs and
network downtime. Compared
with traditional transceivers, the
size of the Small Form Factor
package enables higher port
densities.
Module Diagrams
Figure 1 illustrates the major
functional components of the
HFBR-5710L. The external
configuration of the module is
depicted in Figure 7. Figure 8
depicts the panel and host board
footprints.
Installation
The HFBR-5710L can be installed
in or removed from any MSA-
compliant Pluggable Small Form
Figure 2. Pin description of the SFP electrical interface.
Factor port regardless of whether
the host equipment is operating
or not. The module is simply
inserted, electrical-interface first,
under finger-pressure. Controlled
hot-plugging is ensured by
3-stage pin sequencing at the
electrical interface. This printed
circuit board card-edge connector
is depicted in Figure 2.
As the HFBR-5710L is inserted,
first contact is made by the
housing ground shield, dis-
charging any potentially
component-damaging static
electricity. Ground pins engage
next and are followed by Tx and
Rx power supplies. Finally, signal
lines are connected. Pin functions
and sequencing are listed in
Table 2.
V
EE
T
20
TD–
19
TD+
18
V
EE
T
17
V
CC
T
16
V
CC
R
15
V
EE
R
14
RD+
13
RD–
12
V
EE
R
11
TOP OF BOARD
V
EE
T
1
TX FAULT
2
TX DISABLE
3
MOD-DEF(2)
4
MOD-DEF(1)
5
MOD-DEF(0)
6
RATE SELECT
7
LOS
8
V
EE
R
9
V
EE
R
10
BOTTOM OF BOARD
(AS VIEWED THROUGH TOP OF BOARD)
ENGAGEMENT
SEQUENCE
3 2 1
3 2 1
INCOMING OPTICAL SIGNAL
OUTGOING OPTICAL SIGNAL
PHOTODETECTOR
RECEIVER
AMPLIFICATION
& QUANTIZATION
RD+ (RECEIVE DATA)
RD– (RECEIVE DATA)
LOSS OF SIGNAL
VCSEL
TRANSMITTER
LASER
DRIVER &
SAFETY
CIRCUITRY
TX_DISABLE
TD+ (TRANSMIT DATA)
TD– (TRANSMIT DATA)
TX_FAULT
ELECTRICAL INTERFACE
MOD-DEF2
MOD-DEF1
MOD-DEF0
EEPROM
OPTICAL INTERFACE
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