SFP-1GBT-03_12 BEL [Bel Fuse Inc.], SFP-1GBT-03_12 Datasheet - Page 4

• Manufacturer Part Number: SFP-1GBT-03_12
• Description: SFP Copper Transceiver 10/100/1000Base-T SGMII
• Manufacturer: BEL [Bel Fuse Inc.]

©2012 Bel Fuse Inc. Specifications subject to change without notice. 01.19.12
SGMII INSTALLATION GUIDE
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AUTONEG is always ENABLE for Bel’s Copper Transceivers. To disable the AUTONEG feature, clear
the Broadcom PHY register bit12 to “0”.
Rx_LOS is always ENABLE.
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Bel’s Copper SFP Transceivers detect the advertised speed and mode of operation via the host of the
link-partner. There is no need for accessing the PHY address of the Bel SFP transceiver.
Bel’s SFP will automatically detect advertised 1000Base-T speed and mode of operations and link to
its link-partner.
Bel’s SFP will automatically detect advertised 100Base-T speed and mode of operations and link to its
link-partner.
Bel’s SFP will automatically detect advertised 10Base-T speed and mode of operation and link to its
link-partner.
SFP-1GBT-03 (SGMII) can be configured to operate in GBIC interface as described below:
SGMII-Copper to GBIC:
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SFP-1GBT-03
Part Number
High —> Not linked.
Low —> Linked to link-partner.
Write register 18h, shadow 07h bit [7] = 0 (Disable RGMII mode)
Write register 1Ch, shadow 1Fh bit [0] = 1 (Enable fiber register bank)
Write register 00h, bit [11] = 1 (Power down SerDes interface)
Write register 1Ch, shadow 1Fh bit [2:1] = 11 (Configure the BCM54616S in GBIC mode)
Write register 00h, bit [11] = 0 (Power up SerDes interface)
Write register 1Ch, shadow 1Fh bit [0] = 0 (Enable copper register bank)
Write register 00h, bit [11] = 0 (Power up copper interface)
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
Link Indicator on
Rx_LOS Pin
Yes
SFP Copper Transceiver 10/100/1000Base-T
enabled by default
Auto-Negotiation
Yes
SFP-1GBT-03
(10/100/1000Base-T)
Interface
SGMII
SGMII