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NOTE: The E120 and E320 routers do not support path channelization.
For information about installing line modules and IOAs in the E120 and E320 routers,
see E120 and E320 Hardware Guide, Chapter 4, Installing Modules.
Interface Specifier
The configuration examples in this chapter use the format for ERX7xx models,
ERX14xx models, and the ERX310 router to specify a SONET/SDH interface. (The
format is described in "Numbering Scheme" on page 81 .)
For example, the following command specifies a SONET/SDH interface on port 0 of
an I/O module in slot 0.
When you configure a SONET/SDH interface on an E120 or an E320 router, you must
include the adapter identifier as part of the interface specifier. For example, the
following command specifies a SONET/SDH interface on port 0 of the IOA installed
in the lower adapter bay (0) of slot 3.
For more information about interface types and specifiers on E Series models, see
Interface Types and Specifiers in JUNOSe Command Reference Guide.
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
slot Number of the slot in which the line module resides in the chassis.
In the E120 router, line module slots are numbered 0–5. In the E320 router, line
module slots are numbered 0–5 and 11–16. For both routers, slots 6 and 7 are
reserved for SRP modules; slots 8–10 are reserved for switch fabric modules
(SFMs).
adapter—number of the bay in which the I/O adapter (IOA) resides.
This identifier applies to the E120 and E320 routers only. In the software, adapter
0 identifies the right IOA bay (E120 router) and the upper IOA bay (E320 router);
adapter 1 identifies the left IOA bay (E120 router) and the lower IOA bay (E320
router).
port Number of the port on the IOA.
host1(config)#controller sonet 4/0
host1(config)#controller sonet 3/0/0
Chapter 3: Configuring Unchannelized OCx/STMx Interfaces
Platform Considerations
83
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