E1 Line Interface
Line Rate
2.048 Mbps ± 50 bps
Connector
RJ48C
Line Code
AMI, HDB3
Line Impedance
120 Ohm for twisted
pair, 75 Ohm coax/
RJ48C
Ethernet Switch
• 10/100 Mbps half/ full duplex Ethernet Switch over 3 Ports.
• Support VLAN and extended Ethernet frame support.
Management Port
Connector
RJ45 on front panel (10/100 Ethernet ports
1, 2, & 3)
Protocol
Web, SNMP, Telnet, Console
Console
Connector
RJ45 on front panel (CON/RS-232 port)
Electrical
RS232 Interface
Baud Rate
9600
Indicators
• Power A, Power B, Unit Alarm, T1/E1 Channel, Local Test, Remote Test, Remote
Console
• Optics: SYNC, RDI, OPT-A, OPT-B, USE-B
• Ethernet: 100M, FUL/COL, LINK/ACT
• Local optical signal receives indication, working and protection.
• Remote optical signal receives indication, working and protection.
Chapter 1 Introduction
TC8518 Product Description
TC8518 Rev 2.2 User Manual
1-11