Chapter 2 - Getting Started; Setting Up Your Multimodem Isms - Multitech MultiModem iSMS SF 100-G User Manual For System Administrators

Chapter 2 – Getting Started

Setting Up Your MultiModem iSMS

New MultiModem iSMS units come preconfigured with an IP address of 192.168.2.1 and a 24 bit subnet mask
(255.255.255.000).
Before connecting your new MultiModem iSMS to your network and powering it up, identify the existing IP
network numbering scheme of the target network. If the target network already implements a 192.168.2.xxx
class C network, the unit's host IP address of 192.168.2.1 may conflict with an existing computer or device on
the network. Additionally, advanced network configurations may block IP packets not of the current scheme.
For example, if the current network configuration is 10.1.x.x/16, any IP packets not of this subnet will be
blocked.
If either is the case, you will want to temporarily isolate a workstation (PC, Notebook, Mac, etc.) and the new
MultiModem iSMS from the target network. Connect the Ethernet interface of the workstation directly to the
Ethernet interface of the MultiModem iSMS. After configuring the MultiModem iSMS with appropriate IP
network parameters (IP address, subnet mask, default gateway and DNS), it can then be connected to the
target network.
Note: Be sure to perform a "Save to Flash" before powering off the unit, if you are physically moving the unit
to a new location.
The MultiModem iSMS LAN connection is a full duplex, auto negotiating 10/100 MHz, auto polarity sensing
Ethernet interface. You can use a traditional straight through RJ-45 Ethernet cable or a cross-over RJ-45
Ethernet cable when connecting to an Ethernet port on a hub or switch or when connecting directly to the
Ethernet interface of a workstation. The LAN connection of the MultiModem iSMS does not support POE
(Power over Ethernet) or 1GHz. These features may need to be disabled on the equipment/port that the
MultiModem iSMS is connected to .
After your device is properly cabled, it must be configured. Basic cabling and TCP/IP directions are included
below. See Chapter 3 for basic configurations. See Chapter 4 for advanced configurations.
Multi-Tech Systems, Inc. MultiModem® iSMS User Guide for Administrators 14
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