Product Name: E1 Interface Fiber ModemModel Number: GH-DH30Place of Origin: ChinaFeatures: 1) Special two row indicator (upper row indicate local, and lower row indicate remote) 2) Based on self-copyright IC, and software content is high 3) Realizes random time-slot choice, compose N x 64K (N=1~32) channel 4) Provides 3 type loop functions: local (ANA), loop to remote (DIG), command loop (REM) 5) PBRS code testing function, convenient for installation and test devices 6) Remote rate adjustment to remote device (in primary clock status) when local terminal is in primary clock status 7) E1 fiber modem can use with V.35 fiber modem that can save a G.703/V.35 converter 8) Power: AC 85V - AC 275V or DC±48V Fiber interface: 1) Fiber type: single/dual module fiber optical 2) Wavelength: 850nm, 1,310nm, 1,550nm 3) Interface: SC, FC or ST optical 4) Code: 1B1H 5) Module: single/dual fiber module 6) Distance: 60 - 120km E1 interface: 1) Code type: HDB3 2) Rate: 2.048mbps±50ppm 3) Complies with ITU-TG.703 4) Impedance: 75Ω 5) Interface: BNC 10Base-T interface: 1) Rate: 10/100M auto-negotiation 2) Complies with IEEE802.3 standard 3) Interface type: RJ-45 4) Dimensions: 270 x 130 x 40mm Ordering information: GH-DH30: E1 interface fiber modem