Cisco Systems IGX 8 Hoja de especificaciones descargar pdf (Pagina 6)

-6 IGX 8 Installation Manual, Release 8.2.0

E1 Interface

Line Rate: 2.048 Mbps, ± 50 bps (± 200 bps VCO lock range)

Line Code: Bipolar AMI or HDB3

Line Impedance: 120 Ohms (balanced) or 75 Ohms (balanced or unbalanced)

Minimum Pulse Density: Zero code suppression via HDB3 coding

Frame Format: Unframed, 32-channel (G.703). Framed: 30 or 31-channel CEPT

multiframe per ITU-T G.704.

VF Signalling: CAS or CCS

Max. Line Lengths: E1 output complies with G.703, so cabling must not exceed

–6dB/1000 feet at 1024 kHz (applies to 75 Ohm coax or 120 Ohm

twisted pair up to 350 meters or 1000 feet). StrataCom supplies

cable with a maximum attenuation of 7 dB /1000 ft., so the

maximum length of this cable is 850 feet (260 meters).

Jitter: Meets G.823.

Electrical Interface: Complies with G.703 Speciﬁcation.

Connector: DB 15 female or BNC.

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Cisco Systems IGX 8 Hoja de especificaciones Pagina 6