PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

3

Package Pin Description

PACKAGE PIN #

PIN SYMBOL

FUNCTION

1

OUT0

Output (open collector) from S-ART.

2

A4

relevant address code.

3

A3

relevant address code.

4

A2

relevant address code.

5

A1

relevant address code.

6

A0

relevant address code.

7

IN1

Input to S-ART.

8

IN0

Input to S-ART.

9

LINE

Signal lead in the line cable.

10

Gnd

Zero lead in the line cable.

11

Output from the S-ART, which is active in the READ-mode.

Transmits data from

S-ART to line.

12

Supply voltage to the S-ART. The voltage is derived from the line

signal.

13

IN3

Sabotage surveilled loop (shorting and breaking).

14

IN2

Sabotage surveilled loop (shorting and breaking).

15

DSR

Data Set Ready. Output (open collector) from the S-ART which is

active during WRITE-mode, when OUT0 and OUT1 change.

16

OUT1

Output (open collector) from S-ART.

Turn-On Time For

1.0

µs

Line Output Driver

Turn-Off Time For

1.0

µs

Line Output Driver

Line Voltage VL (Note 1)

0

28

V

Loop Current IN2, IN3

0.1

0.5

mA

Alarm Condition IN2-IN3

1

5

k½

Loop Open

Alarm Condition IN2-IN3

5

30

k½

Loop Shorted