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Canopy T1/E1 Multiplexer
3.5
MEASUREMENTS FROM DIAGNOSTICS
A unit-based comparison of diagnostic measurements is provided in
Measurement
Description
Bit errors
Logic errors in
the bit stream
BPVs
Pulses of the
same consecutive
polarity
Frame errors
Incorrect values
in the framing
bit position
CRC errors
Bit errors in a
block of data
3.6
LICENSE KEY UPGRADES
As previously described, you can transform any single-port enabled Canopy T1/E1
Multiplexer into a 2-port, 3-port, or 4-port multiplexer through the purchase and
installation of license keys from your Canopy distributor.
Procedure 29: Installing a license key to enable an additional port
To install a license key on a Canopy T1/E1 Multiplexer, perform the following steps.
1. From the main menu of the EMS, select Config→T1/E1 Port Upgrade.
RESULT: The Canopy T1/E1 Port Upgrade window opens, as shown in
Figure
Issue 1
Table 13: Comparison of diagnostic measurements
Availability
Only out of
service
In service
or out of
service
In service
or out of
service
In service
or out of
service
25.
Figure 25: T1/E1 Port Upgrade window
T1/E1 Multiplexer Release 3.1
Advantage
Best unit for
Requires that all traffic
point-to-point
be test traffic (known
performance
data pattern)
Good for circuit
Meaningful for only
or repeater
metallic media, because
problems
some equipment corrects
BPVs
Approximates
Evaluates only overhead
bit error rate on
bits
in-service basis
98.4% bit error
Available with only ESF
rate accuracy
framing
June 2004
Table
13.
Disadvantage
56 of 69
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