User`s manual

Chapter 1 Overview

• Number of ports: 2, 1+1 MSP protection available

• Framing: SDH

• Bit Rate: 155.520Mbps

• Jitter Performance: compliant with ITU-T G.783

• Optical Wavelength: 1310nm

• Optical output power: -6dBm

• Receiver sensitivity: -34dBm

• Connectors: SC or FC/PC

 LAN Interface:

• Number of ports: 6

• Port 1 to 4 support VLAN while Port 5 and 6 do not

• Ethernet Type: 10/100 Base T, auto sensing/auto negotiation

• Compliance Protocol: IEEE802.3u, 802.3x

• Connectors: shielded, RJ45.

 ITU-T G.703 E1 Interface:

• Number of ports: 8 or 16

• Line Rate: 2.048Mbps

• Line Coding: HDB3

• Jitter Performance: compliant with ITU-T G.823, see Appendix I.

• Connector: SCSI II, female

 Timing Source Setting:

 Provide internal, optical 1, and optical 2, E1 Tributary clock source as

system clock

 Recovered clock from STM-1 interface, auto switching in auto mode

 External clock from E1 tributary (2048Kbits/sec)

 Diagnostic Function:

 Local loopback from SDH or E1 side