Cisco Cisco Prisma II EDR Receiver Guía De Instalación
1-6
Introduction
78-748705-01 Rev C
Processor Front Panel,
Continued
Optical Transmitter
The processor houses one or two optical transmitters. The processor creates a 2.5
Gbps digital representation of the RF reverse path signal and delivers it to the optical
transmitter in PECL format. Each optical transmitter outputs an independent high-
speed 2.5 Gbps optical signal.
The optical transmitter incorporates a single bicolor LED that is an indicator of
The optical transmitter incorporates a single bicolor LED that is an indicator of
optical output and DC power presence to the optical transmitter.
The bicolor LED status is shown in the table below.
The bicolor LED status is shown in the table below.
Condition
LED Status/Color
DC Power OFF/Optical output OFF
Off
DC Power ON/Alarm condition exists
Red
DC Power ON/No alarm condition
Green
DC Power OFF/Optical output ON
N/A