Specifications

FLM-1 Installation & Operation Manual Chapter 1 - Introduction

16/01/01 11:12 AM Technical Specifications 1-5

Note

1. The distortion refers to the duty cycle and not to the voltage level.

2. Whenever possible (if the number of channels is less than or equal to 6) it

is recommended to operate FLM-1 in the six-channel mode, which results in

less distortion.

1.4 Technical Specifications

Subchannels

Transmission format

Asynchronous

Data rate

Optical interface: up to 38.4 kbps

Electrical interface: up to 19.2 kbps

Distortion See Table 1-2

Interface

RS-232/V.24

Number of subchannels

Up to six or up to twelve,

depending on the version and

availability of a channel doubler

(see Section 2.4)

Connectors

Six D-type 25-pin, female, or

twelve RJ-45

Mode of operation

Full-duplex

Main Channel

Electrical Interface

Transmission line

4-wire unconditioned telephone

lines (two twisted pairs)

Operating range

Maximum of 1.6 km (1 mile) on

22 AWG cable

Data rate

1.2288 Mbps

Output format

Balanced, transformer isolated,

6V peak-to-peak (on

100Ω)

Input resistance

100Ω

Connector

Terminal block or RJ-45