Black Box MD960A Bedienungsanleitung

Stores up to 100

individual passwords.

Includes audit trail log.

Configure the modem

remotely.

Choose from two

power options:

115 VAC and 8 VDC.

Standard AT 33.6-kbps

modem.

Complete with

watchdog timer and

no activity reset.

Nonvolatile parameter

and data storage.

emote password access to

serial communications

equipment is yours with the

Secure Rack Modem. It uses the

Public Standard Telephone

Network (PSTN) to trans er data

at modem speeds o 33.6 kbps.

Two models are available: one

or 115 VAC and one or 48 VDC.

The modem can store up to

100 individual passwords and

dialback numbers in non-volatile

memory. Designed or remote

sites, the modem always resets

itsel to answer on the speci ied

number o rings. The modem is

also set to a ixed baud rate at the

modem port.

Securely access serial communications

equipment remotely over the PSTN.

KeyFeatures

SECURERACKMODEM

No external AT commands are

required to con igure the Secure

Rack Modem upon power-up, so

you can easily use it with

equipment that cannot send an

AT setup string.

Password and/or Dial-Back Entry

The user directory stores up to

100 user names with individual

password and optional dialback

number. When the modem

answers, it sends an Enter

Password prompt. I the caller

enters the correct password, the

modem opens the path to the

connected equipment. I the

directory password ield contains

a dialback number, the modem

will hang up a ter receiving the

password, dial the number, and

open the connection path when

the called modem answers.

Access Tracking

An audit trail log tracks valid

and/or invalid password

connections, the time and date o

each connection and the duration

o the call. The modem stores a

snapshot o the last 100

connections. Only the system

administrator can view this

snapshot.

Local or Remote Configuration

You can con igure the system

locally via a serial DB9 console

port on the modem. Alternately,

the system administrator can

con igure the modem remotely.

This allows the administrator to

communicate to a secondary

serial device other than the

modem port, such as a reboot

switch.

Black Box Corporation • 1000 Park Drive • Lawrence, PA 15055-1018 • Tech Support: 724-746-5500 • www.blackbox.com • e-mail: [email protected]

Black Box Corporation.

11/8/2000 #25072

•Remote dialup management, direct connection: The Secure Rack

Modem provides network administrators with a secure way o

dialing into a remote site and connecting directly to a network

element or remote management. The most common network

element is a router or UNIX®machine.

•Remote dialup management, sharing devices: The rack modem can

communicate with a remote port sharing device; this allows the

administrators to use one phone line and one secure rack modem to

communicate with several network elements at the site. The most

common sharing devices are terminal servers such as Cisco 2611,

Lucent PortMaster, Xylan, or the Network Power Switch (SWI069A)

rom Black Box.

Compati ility: ITU-T V.22 bis

(2400 bps) to ITU-T V.34+

(33.6 kbps); Bell: 212/V.22,

103/V.21

Command Set: Connexant chipset,

industry-standard AT commands

Supports: V.42/MNP®2–4 error

control, V.42bis/MNP 5 data

compression

User Password Directory:

Passwords allowed: 100

maximum; Password field: 16

characters, case-sensitive;

Dialback field: 32 digits

Indicators: (3) Control LEDs: On,

Ready, Pass; (6) Modem Status

LEDs: DCD, RXD, TXD, RTS,CTS,

DTR

Operating Temperature: 32 to 93°F

(0 to 34°C)

Humidity: 10 to 90%,

noncondensing

Power: MD960A: 115 VAC;

MD960A-D48: 48 VDC

Size: 1.75"H x 19"W x 6"D (4.5 x 48.3 x

15.2 cm)

Shipping Weight: 5 lb. (2.3 kg)

Modem Port

Interface: RS-232C, DB25 emale

Data Rates: 300 to 38,400 baud

Buffer: 32K

Flow Control: None, RTS/CTS,

X-ON, X-OFF, Both

Rings to Answer: 1 to 32

No Activity Timeout: 1 to 30 minutes

Console Port

Interface: RS-232C, DB9 male

Site ID: 32 characters maximum

System Password: 16 characters,

case-sensitive

Applications

Specifications

Ordering Information

ITEM CODE

Secure Rack Modem

115-VAC....................................................................MD960A

48-VDC .............................................................MD960A-D48

You might also want to order…

Network Power Switch ......................................SWI069A

Typical out-o -band management application o the Secure Rack Modem.

Remote

Administrator

PSTN Dial-Up

WAN Telnet

Secure Rack Modem

Console

Management

Switch

DSLAM

Console

Sun

Console

Linux

Console

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