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4

MDS SD Master Station

05-6398A01, Rev. A

c.

Click on 

SDMS Configuration

...

d.

Redundant radios share a common configuration and are 
managed simultaneously through 

Radio

Security

, or 

Maintenance and Status

... 

Note that the links at the top of the page can be used to easily 
return to an earlier web page.

3.2

Configuration via Command Line (CLI)

A scriptable command-line interface is accessible through the 
Ethernet port using Secure Shell (SSH) terminal, or through the 
unit’s USB interface. For enhanced security, the unit does 

not

 sup-

port Telnet configuration. The steps below describe a cabled USB 
connection and assume the proper drivers have been installed. 

1. Connect a PC to the unit's USB port and establish a console 

terminal session using a serial communications program.

2. Press the ENTER key to receive the login prompt. The COM 

LED flashes to indicate data communications.

3. Enter the username (

admin

 is the default username) and 

press ENTER.

4. At the Password prompt, enter the password (

admin

 is the 

default password). Press ENTER. Upon successful login, the 
connection message appears.

5. Enter the configuration mode by typing 

configure

 followed by 

The ENTER key.

6. Review and configure all key settings for the required applica-

tion. Built-in help is available by pressing the Tab key. A sum-
mary of all unit settings may be viewed by entering the  

% show | details 

command

.

Tab-completion

 is a powerful feature that provides assistance 

when typing commands in CLI. Depending on the text that was 
already entered, tab-completion displays different possible com-
pletions. When the Tab key is pressed and no text has been 
entered, the CLI shows all possible commands that can be typed.

Key items that should be reviewed or set for the unit are as follows:

• Create one-time programmable passwords for unit recovery
• Change login passwords (to maintain security)
• Evaluate default factory configuration and lock the unit down 

to the required security level

• Radio configuration, including TX/RX frequency plan

Refer to the Technical Manual for details on the above items.

7. When finished, log out of the console session and disconnect 

the PC from the master station. 

4.0

IN-SERVICE OPERATION

 

In-service operation of the master station is completely automatic. 
The only operator actions required are to apply power and check 
the module LEDs for proper indications as shown in 

Table

 

4

.

Table 4: Module LED Descriptions

Module

LED Name

Function

PWR and ALARM on (solid) = 

system initialization (pre-bootup)

5.0

COM1/COM2 REFERENCE

The COM port is commonly used to connect an external DTE 
telemetry device to the unit, supporting either the RS-232 or 
RS-485 (balanced) format, depending on how the device is config-
ured. The unit supports data rates of 300, 1200, 2400, 4800, 9600, 
19200, 38400, 57600, and 115200 bps (asynchronous data only).

This connector mates with a standard RJ-45 plug available from 
many electronics parts distributors.

Platform Manager

PWR

On—Power applied
Flash—System bootup

Platform Manager

ALARM

Flashing—Alarmed (SD 
Master)

Radio

PWR/ALARM

On—Power applied 
Flashing—Alarmed radio

Radio

ACTIVE

On—Active 
Off—Standby

Radio

TX

On—Transmitting

Radio

RX

On—Receiving

Alarm/Relay

ALARM MAJ

On—Major Alarm (SD 
Master)

Alarm/Relay

ALARM MIN

On—Minor Alarm (SD 
Master)

Alarm/Relay

ACT A

On—Radio A Active 
Off—Radio A Standby

Alarm/Relay

ACT B

On—Radio B Active 
Off—Radio B Standby

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