Canopy T1/E1 Multiplexer | September 2004 |
| T1/E1 Multiplexer FPGA Version 3.4 |
3.5MEASUREMENTS FROM DIAGNOSTICS
A
Table 13: Comparison of diagnostic measurements
Measurement | Description | Availability | Advantage | Disadvantage |
|
|
|
|
|
Bit errors | Logic errors in | Only out of | Best unit for | Requires that all traffic |
| the bit stream | service | be test traffic (known | |
|
|
| performance | data pattern) |
BPVs | Pulses of the | In service | Good for circuit | Meaningful for only |
| same consecutive | or out of | or repeater | metallic media, because |
| polarity | service | problems | some equipment corrects |
|
|
|
| BPVs |
|
|
|
|
|
Frame errors | Incorrect values | In service | Approximates | Evaluates only overhead |
| in the framing | or out of | bit error rate on | bits |
| bit position | service |
| |
|
|
|
|
|
CRC errors | Bit errors in a | In service | 98.4% bit error | Available with only ESF |
| block of data | or out of | rate accuracy | framing |
|
| service |
|
|
|
|
|
|
|
3.6FIRMWARE 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
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