Microtronix Access User Guide
1.2.4 Model 4002-N44-RM
● 19” 1U rack mount enclosure (25” rack extension available)
● -48VDC connector for Central Office (CO) installation
● 10/100 Base-T Ethernet – RJ45
● 2 WAN interfaces - DB25F RS530[A] configurable for RS232/V.24, X.21, V.35, RS449/V.36
● 4 Serial ports – DB9M RS232 (internally mounted USB serial adapter)
1.3 Software/Application Features
1.3.1 System Configuration and Management
● Web-based interface accessible through any Internet browser
● Context-sensitive help on all web pages
● Command line interface available on WAN or Serial ports; ssh or telnet interfaces
● Syslog with optional remote syslog and/or storage on remote file server
1.3.2 Redundancy
● Redundancy on a pair of units using IP takeover
● Primary with redundant backup unit
● Co-redundancy between a pair of active units
● Redundancy may use primary or secondary/virtual IP addresses
1.3.3 Terminal Server
● Asynchronous Serial interface to TCP/IP
● Client or server support
● Configurable speed, parity, stop bits, and flow control method
● 1, 2, 4, or 8 additional ports on USB-attached serial adapter (optional)
1.3.4 Synchronous Server
● Synchronous HDLC interface to TCP/IP or UDP/IP
● Cient or server support
● Configurable speed, internal or external clocking
● Configurable Encoding (NRZ/NRZI)
● Configurable CRC checking and generation (16 bit, 32 bit)
● Unumbered Information (UI) header recognition and generation
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