RAD Data comm FCD-G703 Uživatelský manuál stáhnout pdf (Strana 5)

Data Sheet

E1/T1 PDH INTERFACE

Number of Ports

8 E1, 21 E1, 8 T1, or 28 T1

Compatibility

ITU-T Rec. G.703, unframed

Nominal Data Rate

E1: 2.048 Mbps

T1: 1.554 Mbps

Line Code

E1: HDB3

T1: B8ZS

Impedance

E1: 120Ω balanced or

75Ω unbalanced

T1: 100Ω balanced

Maximum 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

8 E1, 8 T1: DB-44

21 E1, 28 T1: DB-62

E3/T3 PDH INTERFACE (OPTION)

Number of Ports

1

Compatibility

ITU-T Rec. G.703, unframed

Data Rate

E3: 34.368 Mbps

T3: 44.736

Mbps

Framing

Unframed

Line Code

E3: HDB3

T3: B3ZS

Line Impedance

75Ω

Connector

2 BNC female

Timing

Source clock is recovered from the receive

signal from the remote E3/T3 side

Locked to the SDH/SONET interface clock

MANAGEMENT PORTS

Control Port

Interface: V.24/RS-232

Connector: 9-pin D-type, female

Format: Asynchronous

Baud rate: 0.3–115.2 kbps

Selectable word format: 7 or 8 bits, no

parity, 7 bit odd or even parity

Out-of-Band Access

Single Ethernet port FCD-155E version:

NG ETH port

Other FCD-155E versions:

ETH 1 and ETH 2 ports (through

internal Ethernet switch)

INDICATORS

General

PWR (green) – Power

TST (yellow) – Test

MAJ ALM (red) – Major alarm

MIN ALM (red) – Minor alarm LOC SYNC

LOSS (red) – Local loss of synchronization

on the STM-1/OC-3 links

REM SYNC LOSS (red) – Remote loss of

synchronization on the STM-1/OC-3

links

ETH, MNG, GbE (per port)

LINK (green) – LAN link integrity

ACT (yellow) – LAN data activity

E1/T1 PDH Interface (per port)

LOS (red) – Link signal loss

AIS (red) – Alarm indication signal on link

E3/T3 PDH Interface

LOS (red) – E3/T3 link signal loss

STM-1/OC-3 Main Links

LOS (red) – STM-1/OC-3 link signal loss

ON LINE (green) – STM-1/OC-3 link is

active (indicator is on) or standby

(indicator is blinking)

Station Clock

ON (green) – Station clock port is

connected

LOS (red) – Station clock signal loss

GENERAL

Power

100 to 240 VAC ±10%, 50 to 60 Hz

-48 VDC (-40 to -72 VDC)

+24VDC

Power Consumption

30W

Alarms

Last 100 alarms are time stamped, stored,

and available for retrieval

Alarm Relay Port

Operation: normally open, normally

closed, using different pins

Connector: 9-pin, D-type, female

Physical

Height: 4.4 cm (1.7 in)

Width: 44.0 cm (17.3 in)

Depth: 25.4 cm (10.0 in)

Weight: 4.1 kg (9.0 lb)

Environment

Temperature: -10° to 60°C (14° to 140°F)

Humidity: Up to 90%, non-condensing

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