Chapter 1 Product Overview
Cisco ONS 15540 ESPx Components
1-28
Cisco ONS 15540 ESPx Hardware Installation Guide
78-16436-01
lists the LEDs on the 10-GE transponder module faceplate and what
the conditions indicate.
Table 1-16
10-GE Transponder Module LEDs
LED
Status
Description
CLIENT RX
Off
No frame lock on the PCS
64B66B decoder.
Green
Frame lock = '1' on PCS 64B66B
decoder.
TRUNK RX
Off
No frame lock on the PCS
64B66B decoder.
Green
Frame lock = '1' on PCS 64B66B
decoder.
CLIENT TX
On
Laser is transmitting optical
signal.
Off
Laser is shut and is not
transmitting any optical signal.
TRUNK TX
On
Laser is transmitting optical
signal.
Off
Laser is shut and is not
transmitting any optical signal.