HighSecLabs MDR104 Quick Configuration Manual - Page 2

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Working with the MDR

One completing the initial MDR configuration steps the MDR

is ready for use allowing simultaneous usage of a single smartcard

with multiple PCs.

Smartcard Removal Behavior

Removing the smartcard from the MDR immediately de-associates the MDR

from all coupled PCs. As a result, smartcard-aware applications will notice the

smartcard absence and respond accordingly.

For example, a Windows PC that is configured to require smartcards for

user logon may be set to lock the user's desktop once the smartcard is

removed.

Re-associating the MDR after Smartcard Removal

In order to continue using the smartcard (after it's been removed from the

MDR), the user has to insert the smartcard into the MDR and complete steps

6-8 in order to re-associated the MDR with all the corresponding PCs.

MDR Operational Modes

Operational Mode settings determines how Active/Passive PC Modes are

set. For example, when the MDR Operational Mode is set to Manual, the

user has to manually press the PC Number Button corresponding to the PC

that requires access to the smartcard.

When the MDR Operational Mode is set to dynamic, auto-association

methods are used to determine which PC will be set as Active.

For example, when the MDR operational mode is set to Activity-Detection

Auto Association, the MDR will automatically actively associate itself to the

computer which requires smart card access based on an activity detection

algorithm.

To preset which MDR Operational Mode is in use (Manual / Auto...etc), there is

a hardware dual in-line package (DIP) switch situated in the underside of the

base. See the switch configuration settings in Table 02, column DIP Switch.

Table 02 Operational Modes:

Mode

Description

The user has to manually press the PC Number Button corresponding to the PC that requires access to the smart card.

For example: Once the MDR is simultaneously connected to two computers (PC#1 and PC#2) and a user needs to

authenticate securely via smart card in front of PC#1, by pressing PC Number Button #1 the MDR becomes actively

Manual

associated with PC#1 and the user can authenticate successfully.

Then when the user wants to digitally sign an email on PC#2, pressing PC Number Button #2 will actively associate the

MDR to PC#2 making the smart card available to the email application on that computer.

MDR will automatically associate itself to the computer which requires smart card access based on its activity-

Activity-Detection Auto

detection algorithm. Once an application attempts to interact with the smart card the MDR automatically associates

Association

itself to the computer that hosts it.

MDR will automatically associate itself to the computer which requires smart card access based on its power-

Power-Detection Auto

detection algorithm. Once the MDR detects an increase in power it automatically associates itself to the computer

Association

that initiated it.

Determines whether the MDR remains mapped to the computer's device manager, or not, upon smart card removal.

Once enabled, the MDR remains mapped to the computer's device manager upon smartcard removal, just as a

standard smart card reader would.

Device Manager Mode

When not in use, the MDR is disconnected from the computer's device manager upon smart card removal. This

equals to disconnecting the USB cables between the MDR and the associated PCs but might cause computability

issues with some smart card applications.

Application errors and usability issues may occur due to the smart card being switched to another computer in the

middle of a smart card operation running on the active computer.

When enabled, automatic switching of the smart card between computers will only occur when the smart card is idle

Auto-Association Safe

(not in use). Auto-Association Safe Mode prevents the Auto-Association algorithm from switching the smart card in

Mode

case it is busy – hence being used.

When disabled, upon the detection of a smart card request the MDR immediately switches the smart card to the

requesting computer, regardless of whether the smart card is in use by the currently active computer or not.

Activity & Power Auto

MDR will automatically associate itself to the computer which requires smart card access based on either activity or

Association with Device

power detection (depending on the smart card type). Automatic switching of the smart card between computers will

Manager Mode and Safe

only occur when the smart card is idle (not in use).

Mode

Upon smart card removal the MDR remains mapped to the computer's device manager, just as a standard smart card

(This is the default mode)

reader would.

Power Requirements:

All other marks are the property of their respective owners. Images for demonstration purposes only.

External, wall-mounted power supply 12VDC, 5W maximum

RS20N-3 (MDR102) • RS40N-3 (MDR104) | QUICK CONFIGURATION GUIDE

De-associating the MDR from a Specific PC

Long pressing a PC Number Button is the equivalent of removing the

smartcard only from the PC which corresponds to that button without

effecting other associated PCs. To re-associate that PC with the MDR, press

the PC Number Button to initialize the MDR (as described in step 7).

The de-association option is useful in any case a user wants to de-associate

the MDR from a specific PC, without interfering with other PCs which are

associated with the MDR.

For example, when a user has to lock PC#1 by removing the smartcard

yet remain logged-on to PC#2, or when a certain PC is not successfully

associated with the MDR and the user wants to re-associate it.

DIP Switch Configuration

1. To change the DIP switch settings, hold the

MDR with the underside facing you. In this

position, the DIP switch should be at the

upper right corner.

2. Gently remove the DIP switch cover.

3. The switch includes 8 slides numbered

from 1 to 8, ordered from left to right.

4. When pulled down, slide status is OFF.

When pulled up, slide status is ON.

5. To activate an operation mode, pull down its

corresponding slide.

6. Multiple slides can be turned OFF (pulled down)

at the same time.

7. Refer to Table 02 to adjust DIP switch settings with your work scenario.

DIP Switch

This option is only applicable

when used in conjunction with

other modes, for example 2+4.

This option is only applicable

when used in conjunction with

other modes, for example 2+4+5

2 + 3 + 4 + 5

HDC10200 Rev. 4.1