Cisco Prisma II Installation And Operation Manual page 17

The Front Panel of the bdr Transmitter Sub-Module,
The Bicolor LED
The transmitter sub-modules incorporates a bicolor LED. The LED is an indicator of
laser alarm conditions and DC power presence in the transmitter sub-module.
The bicolor LED status is shown in the table below.
DC Power OFF/optical output OFF
DC Power ON/alarm condition exists
DC Power ON/No alarm condition
DC Power OFF/optical output ON
78-715192-01 Rev C
Condition
Introduction
Continued
LED Status/Color
OFF
Red
Green
N/A
1-7