Exchanging Modules
If you replace an OC3 I/O module with an OCx/STMx line module and a corresponding
OC3-4 I/O module or vice versa, you must erase the configuration of the existing
modules. See
slot accept
in
JUNOSe System Basics Configuration Guide
.
On the E120 and E320 routers, if you replace an ES2-S1 OC3-8 STM1 ATM IOA with
an ES2-S1 OC12 STM4 POS IOA, you must erase the configuration of the existing
IOA. See
adapter accept
or
slot accept
in chapter Managing Modules
JUNOSe System
Basics Configuration Guide
.
References
For more information about MIB support for unchannelized SONET/SDH interfaces,
see RFC 2558—Definitions of Managed Objects for the SONET/SDH Interface Type
(March 1999).
For more information about APS/MSP, consult the following resources:
■
Telcordia document GR-253—Synchronous Optical Network (SONET) Transport
Systems: Common Generic Criteria, Revision 3 (September 2000)
■
ITU-T G.783—Characteristics Of Synchronous Digital Hierarchy (SDH) Multiplexing
Equipment Functional Blocks: Annex A – Multiplex Section Protection (MSP)
Protocol, Commands And Operation (1990)
■
Definitions of Managed Objects for SONET Linear APS
Architectures—draft-ietf-atommib-sonetaps-mib-05.txt (November 2001
expiration)
■
RFC 3498—Definitions of Managed Objects for Synchronous Optical Network
(SONET) Linear Automatic Protection Switching (APS) Architectures (March 2003)
Configuration Tasks
When configuring an unchannelized SONET/SDH interface, you first configure ATM
or POS on the interface. For details on configuring POS and ATM, see
Configuring
ATM
and Configuring packet over SONET in
JUNOSe Link Layer Configuration Guide
,
■
On an OCx/STMx/DS3-ATM line module with an OC3-4 or OC12 I/O module,
you can configure only ATM interfaces.
■
On an OCx/STMx POS line module with an OC3-4 or OC12 I/O module, you can
configure only POS interfaces.
■
On an OC48 line module with an OC48 FRAME I/O module, you can configure
only POS interfaces.
■
On an OC3/STM1 GE/FE line module with an OC3-2 GE APS I/O module, you can
configure only ATM interfaces on ports 0 and 1.
84
■
References
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