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Zhone Technologies IMACS Network Device User Manual

Page 109

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Zhone Technologies, Inc.

IMACS Product Book, Version 4

March 2001

Page 105

Bit Error Rate Tester (BERT)

Patterns Supported



EIA530

HSU

2-port

V.35
HSU

2-port

EIA530/V.35

HSU

4-port

SRU OCU-DP

2/5/10-port

DS0-DP
4-port

All 1s

Yes

Yes

Yes

Yes

Yes

No

All 0s

Yes

Yes

Yes

Yes

Yes

No

1:1

Yes Yes Yes

Yes

Yes

No

1:7

Yes Yes Yes

Yes

Yes

No

511

Yes Yes Yes

Yes

Yes

No

2047

Yes Yes Yes

Yes

Yes

No

QRSS Yes

Yes

Yes

Yes

Yes

No


BERT Direction



EIA530

HSU

2-port

V.35
HSU

2-port

EIA530/V.35

HSU

4-port

SRU OCU-DP

2/5/10-port

DS0-DP
4-port

Toward User

No

No

No

Yes

Yes

No

Toward Network

Yes

Yes

Yes

Yes

Yes

No


Statistics Gathered by BERT



EIA530

HSU

2-port

V.35
HSU

2-port

EIA530/V.35

HSU

4-port

SRU OCU-DP

2/5/10-port

DS0-DP
4-port

Bit Errors (BE)

Yes

Yes

Yes

Yes

Yes

No

Errored Seconds (ES)

Yes

Yes

Yes

Yes

Yes

No

Severely Errored Seconds (SES)

Yes

Yes

Yes

Yes

Yes

No

Consecutive Severely Errored Seconds (CSES)

Yes

Yes

Yes

Yes

Yes

No

Out of Synchronization Seconds (OSS)

Yes

Yes

Yes

Yes

Yes

No

Bit Error Rate (BER)

Yes

Yes

Yes

Yes

Yes

No

Elapsed Seconds (ELAP)

Yes

Yes

Yes

Yes

Yes

No


Systems Equipped With Cross-Connect Option

In systems equipped with Cross-Connect CPUs, the cross-connect element adds another level of testing within the
node and enhances the system’s diagnostic capabilities. The operator may also monitor and set the state of the
Transmit and Receive ABCD signaling bits of a digitized voice circuit that is cross-connected between two WANs.
Refer to Table 28 for detailed information.

Table 28—Diagnostic Capabilities of Cross-Connect Circuits

Loop Backs

Local Loop backs



Voice

Without

Singaling

Voice

With

Signaling

Single Data

DS0

(64Kbps)

Super-rate

Data

(Nx64Kbp

s)

Toward WAN1

Yes Yes Yes Yes

Toward WAN2

Yes Yes Yes Yes