
www.ti.com
LED Indicators
13
SLLU256 – October 2016
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
ONET1131EC Evaluation Module
5
LED Indicators
Table 1
shows the meaning of the 2 LEDs on the EVM.
Table 1. LED Indicators
LED
LED Color
Default State
Indication When On
D1
Red
On
The transmit CDR or the receive CDR has indicated Loss of Lock (LOL).
6
Typical Performance Results
A typical set of conditions for operating the EVM are as follows:
•
10.71 Gbps, PRBS31 Pattern
•
Transmitter Single-Ended Mode of Operation
•
TOSA Temperature = 37°C
•
Vea = –0.65 V
•
Laser Bias Current = 0xF0 (approximately 53 mA)
•
Transmitter Modulation Current = 0xB0
•
Transmitter Cross Point = 0xB0
•
TX and RX CDRs Enabled
A typical unfiltered eye diagram is shown in
Figure 12
.
Figure 12. Unfiltered Transmitter Eye Diagram