Avago Technologies ABCU-5700RZ

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Item Description: TX/RX Optical Fiber 1250Mbps20-Pin - Bulk (Alt: ABCU-5700




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Technical Document


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ABCU-5710RZ / ABCU-5700RZ
1000BASE-T 1.25 GBd Small Form Pluggable Low Voltage (3.3 V)
Electrical Transceiver over Category 5 Cable
Data Sheet
Description
The ABCU-5710RZ and ABCU-5700RZ electrical transceiv-
ers from Avago Technologies o er full-duplex throughput
of 1000 Mbps by transporting data over shielded and
unshielded twisted pair category 5 cable with 5-level PAM
(Pulse Amplitude Modulation) signals. The ABCU-5710RZ
and ABCU-5700RZ di er only in handling of RX_LOS sig-
nal functions, as explained further on the following pages.
The Avago Technologies 1000BASE-T module takes sig-
nals from both the twisted pair category 5 cable and the
SerDes interface. Pin count overhead between the MAC
and the PHY is minimized, and Gigabit Ethernet operation
is achieved with maximum space savings.
Related Products
AFBR-5710Z: Family of 850nm +3.3V SFP optical trans-
ceivers for Gigabit Ethernet
AFCT-5710Z: Family of 1310nm +3.3V SFP optical trans-
ceivers for Gigabit Ethernet
Module Diagrams
Figure 1 illustrates the major functional components of
the ABCU-5700/5710RZ. The 20-pin connection diagram
of module printed circuit board of the module is shown
in Figure 2. Figure 3 depicts the pin assignment of the
MDI (RJ45 jack).
Figure 6 depicts the external con guration and dimen-
sions of the module.
Features
RoHS-6 Compliant (see Table 1)
Designed for Industry-Standard, MSA Compliant Small
Form Factor Pluggable (SFP) Ports
Compatible with IEEE 802.3:2000
Custom RJ-45 connector with integrated magnetics
Link lengths at 1.25 Gbd: up to 100 m per IEEE802.3
Low power, high performance 1.25 Gbd SerDes inte-
grated in module
Single +3.3 V power supply operation
Auto-negotiation per IEEE 802.3:2000 Clause 28 (Twist-
ed Pair) and Clause 37 (1000BASE-X)
Compatible to both shielded and unshielded twisted
pair category 5 cable
Two con gurations:
ABCU-5700RZ: RX_LOS enabled
ABCU-5710RZ: RX_LOS disabled
Rated for Commercial Temperature applications
(0° - 70° C)
10/100/1000 BASE-T operation in host systems with
SGMII interface
Applications
Switch to switch interface
Switched backplane applications
File server interface
2
Figure 3. MDI ( RJ 45 Jack) Pin Assignment
Magnetics
RJ45
Adapter
EEPROM
SerDes/
DSP
TX_DATA
RX_DATA
TX_DISABLE
RX_LOS
MOD_DEF2
MOD_DEF1
MOD_DEF0
100
100
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
V
EE
T
TD-
TD+
V
EE
T
V
CC
T
V
CC
R
V
EE
R
RD+
RD-
V
EE
R
V
EE
T
TX_FAULT
TX_DISABLE
MOD-DEF(2)
MOD-DEF(1)
MOD-DEF(0)
Rate Select
LOS
V
EE
R
V
EE
R
Top of Board
Bottom of Board
(as viewed thru top of board)
PIN 1
PIN 8
Note:
TxFault , LOS and Rate_Select not used.
Figure 2. 20-pin Connection Diagram of Module Printed Circuit Board
Serial Identi cation (EEPROM)
The ABCU-5700/5710RZ complies with an industry standard
MultiSource Agreement that de nes the serial identi ca-
tion protocol. This protocol uses the 2-wire serial CMOS
EEPROM protocol of the ATMEL AT24C01A or equivalent.
The contents of the ABCU-5700/5710RZ serial ID memory
are de ned in Table 10 as speci ed in the SFP MSA.
Controller and Data I/O
Data I/Os are designed to accept industry standard dif-
ferential signals. In order to reduce the number of passive
components required on the customer’s board, Avago
Technologies has included the functionality of the trans-
mitter bias resistors and coupling capacitors within the
module. The transceiver is compatible with an “ac-coupled”
con guration and is internally terminated. Figure 1 depicts
the functional diagram of the ABCU-5700/5710RZ. 100-ohm
resistor shown at RX_LOS in Figure 1 refers to ABCU-5710RZ
con guration, not ABCU-5700RZ con guration.
Caution should be taken into account for the proper inter-
connection between the supporting Physical Layer inte-
grated circuits and the ABCU-5700/5710RZ.
Figure 4 illustrates the recommended interface circuit.
Several control data signals and timing diagrams are imple-
mented in the module and are depicted in Figure 6.
Installation
The ABCU-5700/5710RZ can be installed in or removed
from any MultiSource Agreement (MSA) compliant Small
Form Pluggable port whether the host equipment is
operating or not. The module is simply inserted, small
end  rst, under  nger-pressure. Controlled hot-plugging
is ensured by design and by 3-stage pin sequencing at
the electrical interface to the host board. The module
housing makes initial contact with the host board EMI
shield, mitigating potential damage due to Electro-Static
Discharge (ESD). The module pins sequentially contact
the (1) Ground, (2) Power, and (3) Signal pins of the host
board surface mount connector. This printed circuit board
card-edge connector is depicted in Figure 2.
Figure 1. Transceiver Functional Diagram
3
PROTOCOL IC
HDMP-
1636A
V_SUPPLY
TX[0:9]
RX[0:9]
10 uF
0.1 uF
1 uH
1 uH
0.1 uF
10 uF 0.1 uF
VCC_T
VCC_R
4.7 K
TX_DISABLE
TX_FAULT
TD+
TD-
RD+
RD-
100
RX_LOS
REF CLK
V_SUPPLY
MOD_DEF 1
MOD_DEF 2
MOD_DEF 0
4.7 K 4.7 K 4.7 K 4.7 K
0.01 uF
ABCU-5710RZ
EEPROM
RJ45 JACK &
MAGNETICS
CAT5
CABLE
0.01 uF
0.01 uF
0.01 uF
PHY
IC
100
100
100
100
100
Figure 4. Typical Application Con guration for ABCU-5710RZ
V
CC
T
0.1 µF
0.1 µF
10 µF
1 µH
1 µH
0.1 µF
10 µF
3.3 V
SFP MODULE
V
CC
R
HOST BOARD
Note: Inductors must have less than 1ohm series resistance per MSA
Figure 5. MSA Recommended Power Supply Filter
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