CANOGA PERKINS 3240S SNMP Managed Fiber Optic Multiplexer User Manual

Page 25

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3240S F I B E R O P T I C M U L T I P L E X E R

3240S Fiber Optic Multiplexer

Port Local and Remote Loopbacks. For normal operation, set this switch to the NOR position. Loopback functionality is
further described in Chapter 2, Section 2.5.6.

•

LOC – Setting this switch to Local causes a local I/O Port loopback to be set on the local multiplexer as well as on the

remote unit.

•

NOR – Normal sets the I/O Port for a normal full duplex operation (i.e. no loopback set).

•

REM – Setting the switch to Remote causes a remote I/O Port loopback to be activated at the local multiplexer, and a local

loopback will be activated at the remote multiplexer.

The loopback function can be controlled via the NMS with the switch set in the normal position. Refer
to Chapter 4 Section 4.9.1, System Configuration Status for a description of loopbacks functionality
via the NMS.

Figure 2-8

Locations of Jumpers on E1 I/O Card

2-9