Specifications

FOMi-E1/T1 Installation & Operation Manual Chapter 1. Introduction
Technical Specifications 1-7
Dynamic range
28 dB for all types of optical interfaces
Budget (Max)
20 dB for 850 nm over 62.5/125
22 dB for 1300 nm over 9/125
28 dB for 1300 nm laser over 9/125
General Indicators
POWER
(green)
On when the unit is powered.
ELECTRICAL LOW
(red)
On when the electrical interface input
is below G.703 electrical levels.
ELECTRICAL AIS
(yellow)
On when an all "1" string is received at
the electrical interface.
OPTICAL ERR
(red)
On when Bit Error Rate of the received
signal from the optical interface is 10
-6
or worse.
OPTICAL AIS
(yellow)
On when an all "1" string is received at
the optical interface.
TEST
(red)
On when a test is active at the local or
the remote unit.
ERR
(red)
On when an alarm condition is
initiated, or blinking when an error is
detected in the data stream.
Diagnostics
Local (LLB)
Analog loopback, activated from the
front panel, from a PCU, or from the
remote unit.
Remote (RLB)
Digital loopback, through the remote
modem and remote DTE, activated
from the front panel, from the PCU, or
from the remote unit.
Remote + BERT
A remote digital loopback with internal
BER tester.
BERT
Built-in pattern generator and tests,
activated from the front panel, from
the PCU, or from the remote unit.
Performs BER test over the link.
LED Check
LEDs test, activated from the front
panel or the PCU.