User manual

E BEAM

User Manual & Modem Installation Guide

Specifications subject to change without notice

Troubleshooting Guide

If the link is inoperable, check the modem LEDs for the following:

1. Check power on LED

a. Power LED off

i. Power interruption

1. Unplugged power supply

2. Unplugged, turned off, or bad power strip/UPS

3. Thrown electric breaker

ii. Defective modem

b. Safety Shutoff/Interlock LED on

i. Safety Shutoff/Interlock interruption

1. Fiber unplugged from modem

2. Fiber unplugged from antenna

3. Fiber damage (e.g. cut)

ii. Defective modem

2. Check fiber optic link LED

a. Optic link LED off

i. Light signal interruption

1. Poor alignment on either side

2. Mount movement on either side

3. Line-of-sight obstruction on either side

ii. Fiber disconnected or broken on either side

iii. Remote site power interruption

iv. Defective modem

3. Check Ethernet link and data LEDs

a. Ethernet link LED off

i. Wire signal interruption

1. Ethernet cable unplugged from either side

2. Plugged into wrong, inactive, improperly configured, bad

switch port, or bad PC Network Interface Card

3. Bad Ethernet cable

4. Rebooted PC or switch

5. Defective modem

b. Ethernet data light inactive

i. Data transmission interruption

1. Plugged into wrong, inactive, improperly configured, bad

switch port, or bad PC Network Interface Card

2. Rebooted PC or switch

3. Improper or changed network configurations

4. Too much optical signal strength (receiver saturation)*

5. Defective modem