RAD Data comm FCD-V35 Manual de usuario descargar pdf (Pagina 3)

Data Sheet

USER INTERFACES

The FCD-E1E unit features the following

user interfaces:

• Serial data interfaces: V.24/RS-232,

V.35, V.36/RS-449, RS-530, X.21

• Ethernet 10/100BaseT LAN interface.

The synchronous data ports of FCD-E1E

operate in the following clock modes:

• DCE: FCD-E1E provides both transmit

and receive clocks to the user

equipment, with optional sampling of

the incoming data with an inverted

clock

• DTE1: FCD-E1E provides the receive

clock, while the transmit clock is

provided by the attached user

equipment (not for X.21 and V.24)

• DTE2: The remote user equipment

provides both transmit and receive

clocks (not for X.21 and V.24).

The optional bridge port is a standard

10/100BaseT half/full-duplex port

featuring autonegotiation and automatic

crossover support. Its interface supports

VLAN frames, automatic learning and

aging. The bridge port transparently

connects FCD-E1E to remote LANs over E1

links. It filters Ethernet frames and

forwards only frames that are destined for

the WAN.

MANAGEMENT AND MAINTENANCE

Status and diagnostic information is

defined, configured, and monitored using

any of the following methods:

• Menu-driven management using the

front panel LCD with three

pushbuttons (metal enclosure only)

• ASCII terminal connected to the async

control port

• Telnet (only with optional Ethernet

port)

• RADView element manager (only with

optional Ethernet port).

Up to 2048 time-stamped alarms can be

retrieved through the supervision terminal.

Maintenance capabilities include

user-activated local and remote loopbacks

on the E1 main link, sublink, and data port.

The user can activate a BER test on the

main link or sublink.

E1 network statistics are stored in

memory, according to IETF RFC4805.

Statistical information can be retrieved

locally through the control port.

FCD-E1E performs VLAN tagging and

priority labeling according to IEEE

802.1p&Q (enhanced QoS, supporting

strict/weighted fair queue mechanism,

with 802.1p/DSCP/IP Precedence priority).

The unit performs rate limiting (egress and

ingress).

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