SFP-1GBT-02_12 BEL [Bel Fuse Inc.], SFP-1GBT-02_12 Datasheet - Page 4

• Manufacturer Part Number: SFP-1GBT-02_12
• Description: SFP Copper Transceiver 1000Base-T GBIC
• Manufacturer: BEL [Bel Fuse Inc.]

©2012 Bel Fuse Inc. Specifications subject to change without notice. 01.25-12
GBIC INSTALLATION GUIDE
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AUTONEG is always ENABLE for all of Bel’s Copper Transceivers. To disable the AUTONEG feature
(not recommended), clear the Broadcom PHY register bit12 to “0”.
Rx_LOS is always ENABLE.
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Bel’s Copper SFP-1GBT-02 Transceiver will detect the advertised speed 1000Base-X via the host of
the link-partner without R/W to its PHY registers.
SFP-1GBT-02 (GBIC) can be configured to operate in SGMII interface as described below by access-
ing the PHY registers:
GBIC to SGMII-Copper:
1.
2.
3.
4.
5.
6.
7.
SFP-1GBT-02
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] = 10 (Configure the BCM54616S in SGMII-to-Copper
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 1000Base-T
enabled by default
Auto-Negotiation
Yes
SFP-1GBT-02
1000Base-X —> 1000Base-T
Interface
GBIC
GBIC