RAD Data comm FCD-G703 Manual de usuario descargar pdf (Pagina 5)

Data Sheet

Specifications

SDH/SONET NETWORK INTERFACES

Number of Ports

1 (second link available for redundancy)

Data Rate

155.52 Mbps ±20 ppm

SFP Transceivers

Characteristics: See the

SFP Data Sheet

SPF options: See

Ordering

Timing

Internal clock

Recovered from the STM-1/OC-3 interface

External clock from PDH tributary

Compliance

SDH: ITU-T G.957

SONET: GR-253-core

Framing

SDH: ITU-T G.707, G.708, G.709

SONET: ANSI T1.105-1995, GR-253-core

Line Coding

NRZ

ETHERNET USER INTERFACES

Type

2 or 6 10/100BaseT ports

1 GbE port

Compliance

Relevant sections of IEEE 802.3u, 802.3x,

802.1D and 802.1Q

MAC Address Table

2,048 MAC addresses (2U) and 8,182

(GbE) with selectable automatic aging time

Data Rate

10BaseT: 10 Mbps

100BaseT: 100 Mbps

1000BaseT: 1000Mbps (Gigabit Ethernet)

Autonegotiation

Connectors

RJ-45, shielded

SFP socket (for transceivers, see

Ordering

)

E1/T1 USER INTERFACES

Number of Ports

4 E1, 4 T1, 8E1, or 8 T1

Compliance

ITU-T Rec. G.703, unframed

Data Rate

E1: 2.048 Mbps

T1: 1.554 Mbps

Line Coding

E1: HDB3

T1: B8ZS

Impedance

E1: 120Ω balanced or 75Ω unbalanced

T1: 100Ω balanced

Line Attenuation

36 dB (LTU mode)

12 dB (DSU mode)

Timing

Source clock is recovered from the receive

signal coming from the remote E1/T1 side

Locked to the SDH/SONET interface clock

Connectors

4-ports: RJ-45, shielded

8-ports: 44-pin, D-type, female

1 2 3 4 5 6 7 8

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