SFP-1GBT-05 sfp copper transceiver 10/100/1000base-t to sgmii bel modules 28 turkey court, turkey mill, ashford road maidstone bel me 14 5pp uk +44 1622 757 395 techhelp@belf.com belfuse.com ? 2017 bel power solutions, inc. SFP-1GBT-05 v3 _12.15 the bel SFP-1GBT-05 transceiver is an internally co nfigured 10/100/1000base-t sfp module for sgmii host interfaces. the host interface tran smits and receives serial data differentially at 1.25gbps. the copper interface is advertised as full duplex and will auto-negotiate to 10/100/1000 base-t. key features & benefits ? designed with broadcoms bcm54616s chipset ? complies with ieee 802.3, 802.3u, and 802.3ab speci fications ? conforms to multi-source agreement (msa) specificat ions for sfp transceivers ? supports ieee 802.3u and ieee 802.3ab autoCnegotiat ion features to allow networking equipment to automatically determi ne and adjust the required settings ? operates in extended temperature range of -40 to + 85 c ? automatically compensates for baseline wander by re moving dc offset from the input signal ? assembled with low emi emissions ic and fully metal lic housings ? automatic dependent interface (di) crossover, elimi nating the need for crossover cables or cross-wire (mdix) ports ? bail latch provides ease of extraction ? compact rj45 connector assembly ? data is scrambled to reduce radiated emission ? power consumption is 610mw typical ? fully rohs compliant ? the bcm54616s physical layer ic (phy) can be access ed via i 2 c interface: phy address = ach eeprom address = a0h applications ? 10/100/1000 mbps data rate in excess of 100 meters of category 5/5e cable ? industrial temperature environments -40 to +85 c ? networking equipment ? switch-to-switch interface ? routers regulatory and standards compliance ? compliant with ieee 802.3:2000 ? fcc part 15, class a ? en55022 class a ? ce ? e55024 immunity standard and esd
SFP-1GBT-05 sfp copper transceiver 10/100/1000base-t to sgmii techhelp@belf.com belfuse.com sfp - 1gbt - 05 module specifications parameter symbol min type max units notes supply voltage v dd3 3.13 3.3 3.46 v vdc supply current is 185 132 ma 1000 base-t supply current is 98 ma 10/100 base-t sfp host serial interface (tx/rx) symbol min type max units notes line frequency f line 125 mhz tx output impedance z tx_out 100 differential rx output impedance z rx_in 100 differential clock frequency 25 mhz rise/fall time t r /t f 4 ns 20% - 80% rms phase jitter f j 1.5 ps-rms f j = 12 k hz to 20 mhz offset frequency environmental specifications symbol min type max units notes operating temp t op -40 +85 c case temperature storage temp t stg -40 +85 c ambient temperature sfp host connector electrical interface descriptions pin name descriptions 1 veet transmitter ground (common with receiver ground) 2 tx fault transmitter fault is internally tied to transmit gr ound and is not supported 3 tx disable disable phy when logic '1'. internal pull down 4 mod-def2 signal sda (data) of the two-wire serial interface 5 mod-def1 signal scl (clock) of the two-wire serial interface 6 mod-def0 this pin is internally tied to transmit ground 7 rate select not implemented. this pin is floating internally 8 los logic '1' when no signal or linked at 10base-t 9 veer receiver ground (common with transmitter ground) 10 veer receiver ground (common with transmitter ground) 11 veer receiver ground (common with transmitter ground) 12 rd- differential transmitter output. user to terminate 100 differential at host. ac coupled within sfp. 13 rd+ differential transmitter output. user to terminate 100 differential at host. ac coupled within sfp. 14 veer receiver ground (common with transmitter ground) 15 vccr 3.3v power 16 vcct 3.3v power 17 veet transmitter ground (common with receiver ground) 18 td+ differential receiver input. 100 differential term ination & ac coupling within sfp. 19 td- differential receiver input. 100 differential term ination & ac coupling within sfp. 20 veet transmitter ground (common with receiver ground)
SFP-1GBT-05 sfp copper transceiver 10/100/1000base-t to sgmii tech.support@psbel.com belpowersolutions.com ? ?? ? rx_los is always enable. high > not linked low > linked to link-partner. ? ?? ? customers mac should be setup for sgmii interface with auto-negotiation and the preferred mode of operation. in most cases there is no need to access the phy registers of the broadcom phy within the SFP-1GBT-05 transceiver. ? ?? ? the transceiver will automatically detect the adver tised speed and mode of operation via the host of t he link-partner. ? ?? ? default is 1000base-t (full-duplex or half duplex) ? ?? ? the transceiver will automatically detect the adver tised 100base-tx speed and mode of operations (full-duplex or half duplex) from mac and link to i ts link-partner. ? ?? ? the transceiver will automatically detect advertise d 10base-t speed and mode of operation (full- duplex or half duplex) from the mac and lin k to its link-partner. depending on the condition of the mac configuration , the sfp can also be forced to operate at the pref erred speed and mode of operation by accessing the broadcom phy registers via 0xac address: ? ?? ? 1000base-t full-duplex and/or half-duplex C by defa ult. ? ?? ? forcing the SFP-1GBT-05 to operate at 100base-tx full duplex and/or half-duplex: 1. force full-duplex mode: write phy register 00h to 0x2100h. (force copper op erate at 100base-tx full-duplex mode) 2. force half-duplex mode: write phy register 00h to 0x2000h. (force copper op erate at 100base-tx half-duplex mode) 3. auto-negotiation mode: write phy register 09h to 0x000. (disable 1000bast- t ability) write phy register 00h to 0x1340. (restart auto-neg otiation) ? ?? ? forcing the SFP-1GBT-05 to operate at 10base-t full -duplex and/or half duplex 1. force full-duplex mode: write phy register 00h to 0x0100h. (force copper op erate at 10base-t full-duplex mode) 2. force half-duplex mode: write phy register 00h to 0x0000h. (force copper op erate at 10base-t half-duplex mode) 3. auto-negotiation mode: write phy register 09h to 0x0000. (disable 1000bas e-t ability) write phy register 04h to 0x0061. (disable 10base-t and 100base-tx ability) write phy register 00h to 0x1340. (restart auto-ne gotiation) sgmii installation guide part number link indicator on rx_los pin auto-negotiation enabled by default interface SFP-1GBT-05 yes yes sgmii 10/100/1000base-t
SFP-1GBT-05 sfp copper transceiver 10/100/1000base-t to sgmii techhelp@belf.com belfuse.com sgmii-copper to gbic: ? ?? ? if the gbic interface is required, bel would recomm end the sfp-1gbt-06 transceiver for installation. ? ?? ? however, the device can also be configured to opera te in gbic (1000base-x to 1000base-t) interface by accessing the broadcom phy registers via 0xac : 1. write register 18h, shadow 07h bit [7] = 0 (disable rgmii mode) 2. write register 1ch, shadow 1fh bit [0] = 1 (enable fiber register bank) 3. write register 00h, bit [11] = 1 (power-down serdes interface) 4. write register 1ch, shadow 1fh bit [2:1] = 11 (conf igure the bcm54616s in gbic mode) 5. write register 00h, bit [11] = 0 (power-up serdes i nterface) 6. write register 1ch, shadow 1fh bit [0] = 0 (enable copper register bank) 7. write register 00h, bit [11] = 0 (power-up copper i nterface) mac auto-negotiation vs. mac without auto-negotiati on: i n case mac does not have auto-negotiation capabilit y, the auto-negotiation of the SFP-1GBT-05 can also be disabled by clearing the broadcom phy register 00h, bit12 to 0, before con necting the bel transceiver to the link partner. mechanical
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