DM7041 SFP 1000BASE-T Transceiver
Supports Links up to 100m using Cat 5 Cable
Product Overview:
The 1000BASE-T SFP is a 10/100/1000BASE-T capable copper transceiver module compliant to the SFP (Small Form-factor Pluggable) Transceiver MSA . It can be used to provide a Gigabit Ethernet IEEE 802.3 compliant physical layer interface to network platforms that have MSA compliant SFP ports or cages.
KEY FEATURES:
Functional Description:
The DM7041-xx SFP module has two interfaces: the host interface and the MDI (Medium-Dependent Interface). The MDI provides 1000BASE-T connectivity over the Category-5 cable. The host interface provides the data transfer over the 1.25 GHz PECL differential interface to the host board and control and configuration functions through the serial management interface.
The module provides for transparent Auto-Negotiation between the MAC and the link partner on the copper side. The MAC performs 1000BASE-X Auto-Negotiation. The MAC sees the 1000BASE-T SFP transceiver as if it was an optical transceiver. On the MDI side the transceiver performs 1000BASE-T Auto-Negotiation according to the IEEE 802.3u, Clause 28.
The default mode of operation after power-up is 10/100/1000BASE-T, full duplex, over SGMII interface.
The management interface is I2C 2-wire serial interface, which provides the access to the EEPROM containing transceiver’s ID data, security key and other information. Also, the serial management interface provides access to the transceiver’s PHY registers, via address ACh (7bit 0x56).
Figure 1: Block Diagram
Mechanical Description
The transceiver shall be compliant with common SFP mechanical outline.
1000BASE-T SFP Transceiver Dimensions
Figure 2 Illustrates the Mechanical Dimensions of the Transceiver
Figure 2: Mechanical Dimensions
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