RAD Data comm FCD-V35 Manual do Utilizador descarregar pdf (Página 4)

FCD-E1E

Managed E1 and Fractional E1 Access Device

Specifications

E1 MAIN LINK AND SUBLINK

Framing

256N (no MF, CCS)

256N (no MF, CCS) with CRC-4

256S (TS16 MF, CAS)

256S (TS16 MF, CAS) with CRC-4

Unframed

Bit Rate

2.048 Mbps

Line Code

AMI/HDB3

Zero Suppression

HDB3

Line Impedance

120Ω, balanced

75Ω, unbalanced

Transmit Timing

Locked to the system clock

Signal Level

Receive:

0 to –10 dB short haul

0 to –36 dB long haul

Transmit:

±3V (±10%), balanced

±2.37V (±10%), unbalanced

Jitter Performance: as per ITU G.823,

ETSI TBR-12 and TBR-13

Connectors

RJ-45, 8-pin, balanced

Two BNC coaxial, unbalanced

Compliance

ITU G.703, G.704, G.706, G.732, G.823,

G.826

Performance Monitoring

Local support of CRC-4

Full statistical diagnostics according to

RFC-2495

Figure 2. Managed V.35 to E1 Converter

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RAD Data comm FCD-V35 Manual do Utilizador Página 4