Samsung Ubigate iBG1000, Руководство пользователя

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Ubigate iBG1000 System Description/Ed.02
© SAMSUNG Electronics Co., Ltd.
1-5
Interfaces
iBG1000 has four T1/E1 interfaces and two Fast Ethernet ports.
E1 WAN Interface
Specifications Descriptions
Receive line rate 2.048 Mbps ±50 ppm (payload = 1.984 Mbps)
Line code HDB3
Framing CRC non-CRC (ITU G.704), and unframed
Input signal DSX-1, 0 to -24 dB
Output signal build out long-haul or short-haul
Impedance 75 or 120 ohm
Connectors RJ-48C
Timing Internal or network
Pulse density ITU G.703
T1 WAN Interface
Specifications Descriptions
Receive line rate 1.544 Mbps ±32 ppm
Line code B8ZS or AMI
Framing D4 or ESF
Interface ESF FDL - AT & T TR-54016-1986
- AT & T TR-54016-1989
- ANSI T1.403-1989
Input signal DSX-1, 0 to -24 dB
Output signal build out 0, -7.5 dB, -5 dB
Equalization 0 to 655 ft. (DSX-1)
Impedance 100
Ω
Connectors RJ-48C
Timing Internal or network
Pulse density AT & T TR-62411; HDLC Inversion, forced