Western Telematic SRM-100 User Manual

WTI Part No.: 13051Rev. DSRM-100Secure Rack ModemFirmware Version 1.13 and HigherUser's Guide5 Sterling · Irvine · California 92618-2517

For the purpose of this overview, it is only recommended to review the information on eachmenu in order to familiarize yourself with the unit; it is n

5. Exit/Disconnect: When you have finished exploring the various SRM command menus,return to the "SRM>" Command Prompt, and then type /X

4. Hardware Installation4.1. Rack Mounting InstallationWhen installing the SRM-100 is an instrument rack, the following factors must be accountedfor:1

4.2.2. DC Powered UnitsWhen connecting the SRM to a -48 VDC power source, first remove the protective cover fromthe DC terminal block. Switch off the

4.3.2. Default Flow Control Format (Sw3)SetUp Switch three selects the default flow control (handshaking) format for the serial ModemPort. The Modem

4.3.5. Default ARQ/Compression Status (Sw6)SetUp Switch six selects the default enabled/disabled status for the ARQ/Compression feature. The ARQ mod

4.4. Initialize Unit to Default SettingsIf SetUp Switch settings are changed, new parameters will not take effect until the SRM-100 isinitialized.CAUT

4.5.3. Telco LineUse a standard RJ11 phone cable to connect your phone line outlet to the Telco Line port on the SRM back panel. If the SRM's Te

5. Set-Up and ConfigurationThis section describes the procedure for configuring the SRM unit to fit the needs of yourinstallation. Note that the def

5.1.2. Access via ModemTo access the SRM Command Mode via modem, dial the number for the phone line connectedto the SRM unit. When the Password Promp

Table of Contents1. In tro duc tion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12. Unit De scrip tion

5.2. The General Parameters MenuTo access the General Parameters menu (Figure 5.2), activate the command mode, then type /G[Enter]. To change parame

2. Console Port Password: When the Console Port Password is defined, the SRM willdisplay a prompt before allowing access to the SRM Command Mode via

9. Password Attempts: The number of password attempts that will be accepted when auser attempts to access the SRM via modem. If this number is excee

5.3. The Modem Parameters MenuThe Modem Parameters Menu selects communication parameters for both the SRM’s internalmodem and the SRM's serial Mo

5. Local Echo: Enables / disables the local echo for the SRM’s internal modem. (Default = Off).6. Rings to Answer: Determines how many rings will e

15. Ignore DTR: When this item is enabled, the SRM-100 will ignore the DTR hardwareinput line at the serial Modem Port. This allows the serial modem

6. The Password DirectoryWhen the SRM-100 is properly configured, each inbound caller will be prompted to enter apassword before being allowed to acce

6.1. Add Name / PasswordTo add new User Passwords to the directory, go to the Edit Password Directory Menu (/E), type 1 (Add Name / Password) and pres

6.2. Edit / Delete from ListOptions 2 and 3 in the Edit Password Directory Menu are used to edit and/or delete passwordsfrom the Password Directory.

5. Delete Password: To delete the selected password, type 5 and press [Enter].a) The SRM-100 will ask for confirmation, and then delete the selected

7. Op era tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17.1. SRM Op er at ing Modes. . . . . . .

4. Delete Password: To delete the selected password, type 5 and press [Enter].a) The SRM-100 will ask for confirmation, and then delete the selected

2. Password: The User Password that is currently defined for this name. Note that thepassword is case sensitive.3. Dial Back Number: The Dial Back

7. Operation7.1. SRM Operating ModesThe SRM-100 provides three separate operating modes; the User Mode, the Command Mode,and the Unsecured Mode.7.1.1.

7.2.1. The System PasswordThe System Password restricts user access to the SRM Command Mode via modem and via theConsole Port. The Command Mode allow

7.2.4. Dial Back NumbersBoth the System Password and the User Passwords allow definition of a Dial Back Number. When a Dial Back Number has been defin

7.3. Suppressing the Confirmation PromptThe SRM will display a confirmation prompt before executing commands such as /X(exit/disconnect), or performin

7.5. Viewing the Audit LogThe Audit Log provides a means to track password use and access attempts. Item 11 in theGeneral Parameters menu (/G) determ

As shown in Figure 7.1, the Audit Log screen includes the date, time, call duration, port used,user name, password entered, and exit status. Note the

7.6. The Utilities MenuThe Utilities Menu allows access to a series of command functions that are related to generaloperation and maintenance of the S

7.6.4. Default ParametersThis option allows the system administrator to reset the unit to default parameters withoutdeleting the Password Directory.

1. IntroductionThe SRM-100 Secure Rack Modem is designed for applications that require secure, dial-upaccess to console ports on rack mounted equipmen

7.6.7. Download ParametersThis function is used to save user-selected SRM parameters to an ASCII text file on your PC or control device. To save SRM

8. Saving and Restoring Parameters andPassword DirectoryAfter the SRM-100 has been properly configured and the Password Directory has been defined, co

8.2. Restoring Saved ParametersOnce menu selected parameters and the Password Directory have been saved, the parametersfile can be uploaded to the SRM

A. Interface DescriptionsA.1. Console PortA.2. Modem PortApx-1Figure A.1: Console Port Interface (DTE)Figure A.2: Modem Port Interface (DCE)

B. SpecificationsCompatibility:ITU V.42bis, V.42, Enhanced V.34, AT&T V.32terbo, ITU V.32bis,V.32, V.22bis, V.22, Bell 212A and 103/113, ITU V.17,

C. Customer ServiceCustomer Service hours are from 8:00 AM to 5:00 PM, PST, Monday through Friday. Whencalling, please be prepared to give the name a

IndexAAC Power . . . . . . . . . . . . . . . . . . . . . . . . . 4-1Activity Counters . . . . . . . . . . . . . . . . . . 6-6, 7-7Zero . . . . . . . .

FFlow Control Format . . . . . . . . . . . . . . . . 4-3, 5-6Front Panel . . . . . . . . . . . . . . . . . . . . . . . . 2-1GGeneral Parameters Menu .

SSave Password . . . . . . . . . . . . . . . . . . . . . . 6-2Saving Parameters . . . . . . . . . . . . . . . . . . . . 8-1Secure Device. . . . . . .

Features· Password Protected Command Mode· Recognizes Up to 100 User-Defined Passwords· Tracks Access Attempts and Password Activity· Requires Only On

2. Unit Description2.1. Front PanelÀON Indicator: Lights when power is applied to the unit.ÁRDY: Flashes to indicate that the unit is ready to recei

2.2. Back PanelÀPower Input: (DC Unit Shown) The DC version includes a dual-bus terminal block for-48 VDC operation and a ground screw. The AC vers

3. Getting StartedThis section provides a brief introduction to the procedures that are used to communicate withthe SRM unit and access the configurat

3.3. Communicating with the SRM-100In order to communicate with the SRM unit for the first time, you must set yourcommunications program (e.g. ProComm