Specification Sheet

Shenzhen Macroreer E-Business CO., LTD.
3/F, Building 57, DaYun Software Park, 20140806
HenGang ST, LongGang District, Shenzhen, P.R.C Zipcode: 518000 Ver.:1.0
Tel: [phone] Fax: [phone]
http://www.macroreer.com Email:[e-mail]
+3.3V Volt Electrical Power Interface
The SFT-GEx-RJ45 has an input voltage range of +3.3V +/- 5%. The 3.3V maximum voltage is not
allowed for continuous operation.
Table 1. +3.3V Volt electrical power interface
+
3.3
V vol
t Electrical Power Interface
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Supply Current Is 320 375 mA
1.2W max power over full range of
voltage and temperature.
See caution note below
Input Voltage
Vcc
3.13
3.3
3.47
V
Referenced to GN
D
Maximum Voltage Vmax 4 V
Surge Current Isurge 30 mA
Hot plug above steady state current. See
caution note below
Caution: Power consumption and surge current are higher than the specified values in the GBIC MSA
Low-Speed Signals
MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals (see section VII, “Serial
Communication Protocol”). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc.
Table 2. Low-speed signals, electronic characteristics
Low
-
Speed Signals, Electronic Charac
teristics
Parameter
Symbol
Min
Max
Units
Notes/Conditions
GBIC Output LOW VOL 0 0.5 V
4.7k to 10k pull-up to host_Vcc, measured at
host side of connector
GBIC Output HIGH VOH
host_Vcc -
0.5
host_Vcc
+ 0.3
V
4.7k to 10k pull-up to host_Vcc, measured at
host side of connector
GBIC Input LOW VIL 0 0.8 V
4.7k to 10k pull-up to Vcc, measured at GBIC
side of connector
GBIC Input HIGH VIH 2 Vcc + 0.3 V
4.7k to 10k pull-up to Vcc, measured at GBIC
side of connector
High-Speed Electrical Interface
All high-speed signals are AC-coupled internally.
Table 3. High-speed electrical interface, transmission line-GBIC
High-Speed Electrical Interface Transmission Line-GBIC
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Line Frequency fL 125 MHz 5-level encoding, per IEEE 802.3
Tx Output Impedance Zout,TX 100 Ohm
Differential, for all Frequencies between
1MHz and 125MHz
Rx Input Impedance Zin,RX 100 Ohm
Differential, for all Frequencies between
1MHz and 125MHz