CANOGA PERKINS 3240S SNMP Managed Fiber Optic Multiplexer - Manual (Page 43)

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
The 3240S Multiplexer can be used with or without the Network Management System (NMS) Module. This section describes
how to set up the 3240S when an Simple Network Management Protocol Management Module (SNMP) is installed. When an
NMS Module is installed, it is assumed that the management software will be used to control management functions.
The 3240S is shipped configured with certain factory default settings. These settings may not conform to
your system requirements. Check that all setup switches are set correctly before using.
4.1 System Setup Jumpers and Switches
This refers to any setup switches or jumpers that are on the main circuit board inside the unit or any switch that is on the rear
of the main chassis (not on the I/O cards).
4.1.1 Internal Relay Contact Jumper
The Alarm Relay Contact jumper for selecting the Normally Open or Normally Closed contacts of the Alarm Relay is the only
customer option to configure on the main board. This jumper is described in Section 2.2.3, "Alarm (ALM) Relay Jack."
4.1.2 External Setup Switches
4.1.2.1 System Mode (MODE) Switch
This switch should be set to the NOR position for normal operation. Leaving the switch in this position allows the man-
agement system to control the System Local and Remote Loopback tests. Upon card removal or power loss, the NMS re-
stores the last setting when the system is re-established.
4.1.2.2 Master/Slave (MAST/SLV) Switch
Set this switch to the MAST position on both multiplexers. This switch is not controlled by the NMS.
4.1.2.3 Redundant Optics (PRI/AUTO/SEC) Switch
If installed, this switch should be set to the AUTO position for normal operation. Leaving the switch in this position allows
the NMS to control the function of this switch. The NMS can force operation on the Primary (PRI) or Secondary (SEC) links
or set the circuit for automatic switch over. The NMS can also select the active link before switching to the AUTO position
and clear alarms.
4.1.2.4 Primary and Secondary Optical Power Switches (HI/LO)
The primary and secondary optical switches are set according to the amount of loss over the optical links. Each fiber link
should be treated on an individual basis; set the switch to LO for all links where the loss is below 6db, otherwise the switch
is set to HI.
Chapter 4 - 3240S Managed Operation
4-1