Motorola T1/E1 User Manual download pdf (Page 59)

Canopy T1/E1MultiplexerSeptember2004

 T1/E1MultiplexerFPGAVersion3.4

Page59 of 73

3.5 MEASUREMENTSFROMDIAGNOSTICS

A unit-based comparison of diagnostic measurements is provided in Table 13.

Table 13: Comparison of diagnostic measurements

Measurement Description Availability Advantage Disadvantage

Bit errors Logic errors in

the bit stream

Only out of

service

Best unit for

point-to-point

performance

Requires that all traffic

be test traffic (known

data pattern)

BPVs Pulses of the

same consecutive

polarity

In service

or out of

service

Good for circuit

or repeater

problems

Meaningful for only

metallic media, because

some equipment corrects

BPVs

Frame errors Incorrect values

in the framing

bit position

In service

or out of

service

Approximates

bit error rate on

in-service basis

Evaluates only overhead

bits

CRC errors Bit errors in a

block of data

In service

or out of

service

98.4% bit error

rate accuracy

Available with only ESF

framing

3.6 FIRMWAREUPGRADES

Firmware upgrades are periodically made available to enhance performance or to add

features and functionality to the Canopy T1/E1 Multiplexer.

Procedure 29: Upgrading firmware

To install new firmware on a Canopy T1/E1 Multiplexer, perform the following steps.

1. Close any other applications that are active on the PC.

2. From the main menu of the EMS, select Config→Software Upgrade (shown in

Figure 15 on Page 33).

RESULT: The System Upgrade window opens, as shown in Figure 24.

Figure 24: System Upgrade window

Issue3

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