RAD Data comm T1 Specifikace stáhnout pdf (Strana 19)

Installation and Operation Manual Chapter 1 Introduction

FOM-E1/T1 Ver. 2.0 Technical Specifications 1-5

1.4 Technical Specifications

E1/T1 Interface

Transmission Rates

E1: 2.048 Mbps

T1: 1.544 Mbps

Interface

User-selectable:

• E1: 120Ω balanced or 75Ω unbalanced

• T1: 100Ω balanced

Line Code

E1: HDB3, B8ZS or AMI

Connectors

Balanced: RJ-45

Unbalanced: two BNC coax

Optical

Interface

Technical

Specifications

See

Table

1-1

Alarm Relay

Type

Dry contacts

Operation

Normally Open and Normally Closed, using different pins

Maximum Ratings

1A, 60 VDC, 30 VAC

Connector

9-pin, D-type, female

Indicators

POWER

ON – The unit is powered up

LLB

ON – The unit is in local loopback mode

RLB

ON – The unit is in remote loopback mode

ELEC LOSS

ON – The electrical interface input is below G.703

electrical levels

ELEC AIS

ON – An “All 1s” string is received at the electrical

interface

OPTICAL LOSS

ON – Bit error rate of the received signal from the optical

interface is 10

-6

or worse

OPTICAL AIS

ON – An “All 1s” string is received at the optical interface

Physical

Height

43.7 mm (1.7 in)

Width

240 mm (9.4 in)

Depth

170.5 mm (6.7 in)

Weight

0.5 kg (1.1 lb)

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 47 48

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