Approved Optics Approved CISCO GLC-T - Manual (Page 2)

GLC-T-A
1000Base-TX SFP Module
Copper Interface RJ45, 100m, RoHS6
Approved Optics, Inc. www.ApprovedOptics.com
Page 2 of 5
Normal Operating Conditions
Parameter Symbol Min. Typical Max. Unit
Operating Temperature TA 0 +70 °C
Supply Voltage VCC 3.14 3.3 3.46 V
Parameter Symbol Min Typ Max Units Notes/Conditions
+3.3 Volt Electrical Power Interface
Supply Current Icc 300 350 mA
Input Voltage Vcc 3.13 3.3 3.47 V
Surge Current Isurge 30 mA
Low-Speed Signals, Electronic Characteristics
SFP Output
LOW
VOL 0 0.5 V
4.7k to 10k pull-up to host_Vcc,
measured at
host side of connector
SFP Output
HIGH
VOH
host_V
cc-0.5
host_V
cc+0.3
V
4.7k to 10k pull-up to
host_Vcc,measured at host side
of connector
SFP Input LOW VIL 0 0.8 V
4.7k to 10k pull-up to Vcc,
measured at SFP side of
connector
SFP Input HIGH VIH 2
Vcc
+0.3
V
4.7k to 10k pull-up to Vcc,
measured at SFP side of
connector
High-Speed Electrical Interface, Transmission Line-SFP
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
High-Speed Electrical Interface, Host-SFP
Single ended
data input swing
Vin 250 1200 mV Single ended
Single ended
data output
swing
Vout 350 800 mV Single ended
Rise/Fall Time Tr,Tf 175 psec 20%-80%
Tx Input
Impedance
Zin 50 Ohm Single ended