Lucent Technologies Livingston PortMaster 3 PM-3A-2T Remote Access Server (RAS) (сервер удаленного доступа)

Сервер удаленного доступа  Lucent Livingston PortMaster 3 PM-3A-2T

Key Features
Connectivity	Cable
Platform	PC
Protocols
Data Link Protocol	Ethernet, ISDN, HDLC, EtherTalk
Remote Management Protocol	SNMP
Transport Protocol	TCP/IP, IPX/SPX, AppleTalk
Modem
Modem Type	ISDN Terminal Adapter
Other Features
Package Qty.	1
Dimensions
Width	16.82 in.
Depth	12.02 in.
Height	3.51 in.
Weight	16.54 lb.
Miscellaneous
MPN	300002672
Product ID	20216103
More Information
The PortMaster 3 Integrated Access Server consolidates digital modem technology, Frame Relay, ISDN Primary Rate Interface (PRI), and T1, channelized T1, or E1 services for seamless remote access. PRI is an ISDN service that connects your site to a telephone company's central office. The PortMaster 3 also connects to channelized T1 circuits for dial-up access supporting twenty-four 56Kbps data channels. When used on channelized T1 lines, the PortMaster 3 has the unique ability to automatically answer a modem or ISDN call using the same phone number. The PortMaster 3 operates over T1 and E1 lines in fractional data rates selectable in any multiple of 64Kbps (T1 or E1 lines) up to the line capacity. This feature is frequently used for Frame Relay or point-to-point communications.The PortMaster 3 reduces the complexity of LAN-to-LAN internetworking and remote access by providing a fully integrated digital solution. It offers the functionality of channel service units (CSUs), channel ...