AEG SNMP Network Adaptor User Manual download pdf (Page 6)

1. The CS121 family - Introduction

1.1 About your CS121

1.1.1 General information

The CS121-series are a group of products designed especially for critical resource

management within technical facilities. The CS121 can act as a UPS (uninterruptible power

supply) manager for all other computers in the network. All of these products share many of

the same basic CS121 features, and some have special components and functions. The

CS121 products are most commonly used for the management of UPS systems, so in this

manual we specially reflect to the usage of such devices with your CS121. All of the basic

features and most of the product specific features and operation are explained in this manual.

This manual is the basis also for other CS121 based products like CS121, CS121BUDGET,

SENSORMANAGER, SM_T_COM, SITEMANAGER, SITEMONITOR, SITESWITCH4 und

RASMANAGER.

Note: When using the CS121 to act as a UPS (uninterruptible power supply)

manager for other computers in a network it is necessary for those

computers that are being managed by the CS121 to have its own

RCCMD installation. RCCMD is the only possibility for enabling the

communication between the CS121 acting as a UPS-Manager and other

client computers in a network. While it is possible to add the different

computers as clients in the CS121 settings it is only possible for those

computers to act as an RCCMD client when they are running RCCMD.

Each computer running RCCMD must have its own RCCMD license.

This is the only possibility for the CS121 to fulfil its function as a network

UPS (uninterruptible power supply) manager. Setting up the RCCMD

commands is described in depth in the sections 2.3.2 Quickguide to

install an RCCMD-job and 5 Additional Software.

There are several CS121 SNMP-adapters available for different UPS and although they are

mainly made for UPS, the adapters can easily be modified by simply plugging in other products

like the SITESWITCH SS4-AUX, SENSORMANAGER, and Modems in order to add new

features.

There are two basic types of CS121-adapters: external and slot cards. The basic versions for

UPS come without MODBUS-protocol, COM2 for environmental sensors and manageability

and AUX for dry-contacts alarms. For more differences please see section 1.4 Comparison.

There are other external products based on the CS121 such as the RASMANAGER, which is a

CS121 with a built-in modem. Other external devices include the SiteSwitch 4 (for the direct

control over power sockets), the SITEMONITOR 64 (for monitoring up to 64 digital alarms),

and the SITEMANAGER 2 (a device with multiple functions) which are used for handling

facility management purposes that go beyond the UPS systems.

Generally, the SNMP adapter runs an embedded Simple Network Management Protocol

(SNMP) software agent. This agent responds to the SNMP operations “gets” and “sets” and

also forwards “trap-messages” to designated recipients when critical conditions occur to the

UPS - such as low battery status. Additionally, the adapter can send RCCMD signals to client

computers running the Remote Console Command (RCCMD) initiating automatic shutdowns

or other actions in case of an extended powerfail. (The RCCMD client is an extra system

module requiring its own license.)

1.1.2 Functionalities of your CS121

• SNMP Adapter CS121/CS121 Slot: The SNMP adapter is a compact unit requiring minimal

workspace (ca. 28x69x126 mm for the external adapter CS121L). The slot card versions of the

adapter (CS111 and CS121SC) get inserted into the extension slots of UPS models supporting

its card type.

• Serial Port: Two DIP-switches change the adapter's serial port (COM2) to a configuration

port for installation or to a communication port for environmental sensors, modem or other

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