Power Up And Front Panel Functions; Table 1. 2346 Led Functions - Canoga Perkins 2346 User Manual

Caution: To avoid damaging the fiber end-surface or connector, use extreme care when
installing or removing cables.
10. Plug in the optical cables:
•
If you have a simplex optical connector, use a single strand, single mode fiber cable between
a pair of 2346 modems, one at 1310 nm wavelength and the other at 1550 nm wavelength.
•
If you have a duplex connector, use Tx to Rx, and Rx to Tx orientation.
11. Label each cable and connector with a signal name and direction.
12. For cable connections to other modules in the chassis, see the appropriate user manual for details.
13. Measure and record fiber link attenuation and transmission power before starting normal link
traffic in order to identify potential problems with links near the lower limit of receiver
limitations. For details on link attenuation and transmission power, see Chapter 4.

Power Up and Front Panel Functions

During the initial power-up sequence, all LEDs light amber. When start-up is complete and data is
transmitting normally across the link, the STA LED lights green and the CFG/TST, LOS, and CLS
LEDs are off. During normal operation, the LED colors change according to system and port
conditions. The STA and CFG/TST LEDs show the module condition. The LOS and CLS LEDs
show the electrical and optical signal conditions. Table 3 shows the LED states for various
conditions.

Table 1. 2346 LED Functions

LED Status
STA Off
Green
Amber
Amber blinking Downloading file or in power-up cycle
Red
CFG/TST Off
Red
Amber
Amber blinking Remote or remote bidirectional loopback
LOS Off
Red
Red blinking
CLS Off
Red
Red blinking
EdgeAccess Universal Chassis System
No power
Normal operation
System self-test
Failed system self-test
Normal operation
Software or line coding mismatch between local and remote
modems or improperly connected fiber optic cable
Local or local bidirectional loopback
Normal operation
Local loss of electrical signal
Remote loss of electrical signal
Normal operation
Local loss of optical sync
Remote loss of optical sync
2346 T3 Modem
Description
2-3