Tn-glc-sx-mm-a – Approved Optics Approved TRANSITION NETWORKS TN-GLC-SX-MM User Manual
Page 2

TN-GLC-SX-MM-A
1000base-SX SFP Module 
850nm, 550m, MMF, LC RoHS6 
_______________________________________________________
Approved Networks, Inc. www.ApprovedOptics.com
Page 2 of 5
Absolute Maximum Ratings
Parameter
Symbol
Min.
Max.
Unit
Storage Temperature
TST
-40
+85
°C
Supply Voltage
VCC
-0.5
3.6
V
Recommended Operating Conditions
Parameter
Symbol
Min.
Typical
Max.
Unit
Operating Case Temperature
TOP
0
+70
°C
Power Supply Voltage
VCC
3.15
3.3
3.45
V
Power Supply Current
ICC
300
mA
Surge Current
ISurge
+30
mA
Baud Rate
1.25
GBaud
Performance Specifications - Electrical
Parameter
Symbol
Min.
Typ.
Max
Unit
Notes
TRANSMITTER
LVPECL 
Inputs(Differential) 
Vin
400
2500
mVp
AC coupled inputs
Input Impedance 
(Differential) 
Zin
85
100
115
ohms
Rin > 100 kohms 
@ DC 
Tx_DISABLE Input 
Voltage - High 
2
3.45
V
Tx_DISABLE Input 
Voltage -Low 
0
0.8
V
Tx_FAULT Output 
Voltage -- High 
2
Vcc+0.3
V
Io = 400μA; Host 
Vcc 
Tx_FAULT Output 
Voltage --Low 
0
0.5
V
Io = -4.0mA
RECEIVER
LVPECL Outputs 
(Differential) 
Vout
400
800
1200
mVpp
AC coupled 
outputs 
Output Impedance 
(Differential) 
Zout
85
100
115
ohms
Rx_LOS Output Voltage 
- High 
2
Vcc+0.3
V
lo = 400μA; Host 
Vcc 
Rx_LOS Output Voltage 
-Low 
0
0.8
V
lo = -4.0mA
