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Path signal label (c2) – EXFO IQS-8100 Series Transport Blazer for IQS-600 User Manual

Page 270

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SONET Tabs

256

IQS-8100 Series Transport Blazer

Path Signal Label (C2)

Path Signal Label (C2)

The C2 byte is allocated to indicate the content of the STS SPE, including
the status of the mapped payloads.

Note: Selecting the C2 byte from the list will automatically update the C2 byte

from the Path Overhead section and vice versa.

For HOP OH RX tab only:

³

Expected Path Signal Label: Allows selecting the expected Path Signal
Label.

³

Enable PLM-P/UNEQ-P (Payload Label Mismatch - Path / Unequipped -
Path): Enables the Payload Label Mismatch and UNEQ-P monitoring.

C2

(Hex.)

Description

C2

(Hex.)

Description

00*

Unequipped

16

Mapping of HDLC over SONET

01

Equipped - Non-Specific

17

SDL with self-synchronization scrambler

02

Floating VT Mode

18

Mapping of HDLC/LAPS

03

Locked VT Mode

19

SDL with use of a set-reset scrambler

04

Asynchronous Mapping for DS3 1A

10 Gbps Ethernet (IEEE 802.3)

05

Mapping under development

1B

GFP

12

Asynchronous Mapping for

140M (DS4NA)

CF

Reserved (Obsolete HDLC/PPP framed)

13

Mapping for ATM

E1

a

to

FC

a

a.

These values cannot be selected as Expected Path Signal Label.

STS-1 w/1 VTx Payload Defects, STS-1

w/2 VTx Payload Defects, ... STS-1 w/28

VTx or STS-n/nc with Payload Defects

14

Mapping for DQDB

FE

Test Signal, ITU-T 0.181 specific mapping

15

Asynchronous Mapping for FDDI FF

a

STS SPE AIS (TCM)