ND-20292

CHAPTER 2

APRIL, 1990

NQTE: Other pins are not connected

Figure 200-5 RS-232C Straight Cable Pin Connections

3.Power Requirements

The DTA-E Unit is provided with an AC/DC power

supply adaptor as an attachment. Specifications for this AC/DC adaptor are as follows:

t

AC

Input:

 

 

120V

AC,

60 Hz, single

phase

.

DC

Output:

 

 

 

 

 

 

 

 

NomdAL

DC VOLTAGE

 

 

USE

 

VOLTAGE

TOLERANCE

CURRENT

 

 

 

 

 

 

 

 

 

 

 

 

+12v

 

11.4v

f

0.3v

210

mA

RS-2iz$eLine

 

 

 

 

 

-12v

 

12.6V

+

0.3V

8Od

 

l?S-232C

Line

 

 

 

Drive

 

 

 

 

 

 

 

 

 

+12v

 

12.4V

&

0.3V

65m.A

DTA-E

Circuit

Table 200-12 Tone Patterns

TONE

FREQUENCY

(Hz)

TONE PATTERNS

I

 

 

I

Dial

Tone

 

 

 

 

 

 

 

 

Second

Dial

Tone

 

 

 

 

3501440

 

 

 

 

 

 

 

 

 

 

Busy

Tone

 

 

 

 

 

 

4801620

Call

Waiting

 

Tone

 

 

 

 

440

Ringback

Tone

 

 

 

 

4401620

Reorder

Tone

 

 

 

 

I

480/620

 

 

 

 

 

 

 

 

 

 

@Attendant/

Tone

Override

 

 

440

@Camp-On

Tone

 

 

 

 

@Call Forward

Alert

Tone

 

 

3501440

*Call

Forward

Confirmation

Tone

 

 

 

l Confirmation

 

 

 

 

 

440

l LCR

Dial

Tone

 

 

 

 

 

 

 

 

 

Error

 

Tone

Burst

 

 

 

 

620

Recall

Tone

 

 

 

 

 

1024

CO/PBX

Ring

Tone

Note

 

 

480/606

CO/PBX

Ring

Tone

Note

 

I

4801606

 

 

 

 

 

 

 

 

 

 

Internal

 

Ring

Tone

and

 

 

480/606

Attendant

Calls

 

 

 

 

 

 

 

Boss/Secretary

Ring

Tone

 

 

480/606

DIT

Alert

Tone

 

 

 

 

480/620

Voice

Page

Alert

Tone

 

 

440

120 M

Iin

0.5 s*c.

-I

0.25 see.ONx 2 - 3 bursts

Ifi OIP

~1.5sw.flJqm

0.5aec.

NOTE: Centrex Ringing

200 - 12

Page 44
Image 44
NEC nd-20292 manual Co/Pbx