Product features:
(1) Having two rows of LED,upper row indicate local status, lower row indicate remote status and alarm status.     (2) Based on self –opyright IC, high software content.     (3) Provide 3 loop functions: local loop(ANA), to remote loop(DIG), order remote loop(REM).     (4) Ethernet interface 10M/100M, full half duplex auto-adapt, support VLAN, Ethernet RJ45 port support ,AUTO-MDIX(straight and cross over auto- adapt).     (5)Have pseudo random code test function, easy to install and maintain.     (6)Realize rate setting of remote equipment when local equipment is in master clock status.     (7)E1 fiber modem used pair with Ethernet fiber modem.     (8)Two types:Standalone, desktop, 19inch;Card,usually be inserted in our 19 inch rack. Technical specifications: 1. 10/100 Base-T interface     Interface Rate: 10/100Mbps     Interface character: match IEEE802.3, IEEE802.1 Q     Connector: RJ45     Clock:G.703 resumptive clock,internal and external  clock 2. Fiber interface     Interface: FC/SC     Wavelenth: 850nm/1310nm multi-mode, 1310nm/1550nm single mode.     Transmit distance: 2Km multi-mode, 40Km/60Km/120Km single mode.