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Power edge

A 12-pin edge connector located at the

connector

left side of the modem board. This

 

connector supplies the modem board with

 

power from the standalone case or the

 

modem rack. Header H1 is located on top

 

of P1.

Pin

Voltage

Function

 

Header H1 Pin

10

+

15

VDC

Transformer 20

VAC

2

12

-

15

VDC

Transformer 20

VAC

1

8

Center

Tap

Transformer center

tap 3 & 4

4

+

8.5

VDC

Transformer 10

VAC

6

6

+

8.5

VDC

Transformer 10

VAC

5

2

GND

 

 

Chassis Ground

 

n.c.

Modem Board Selective Jumper Options

Operational Settings

Data Carrier Detect Level

-30 dBm

-45 dBm

Transmit Level

0 dBm

-2 dBm

-4 dBm

-6 dBm

-8 dBm

-10 dBm

-12 dBm

-14 dBm

Line Connection

2- wire

4- wire

Turnaround Squelch

In

Out

Transmit Carrier

RTS Control

Constant Carrier

Local Copy Squelch

No Local Copy

Local Copy

Test Generator Baud rate

1

18

37

75

150

Chassis GND Option

Chassis GND and Signal GND not connected

Chassis GND and Signal GND connected together

Digital Data edge

P2 is a 25-pin edge

connector

located at

connector

the

backend of the modem board. The eleven

 

signals routed to and from this connector

 

are

the RS 232 data

interface

signals.

Pin

RS 232

V.24

Function

 

circuit

circuit

 

 

 

1

AA

101

Protective Ground

2

BA

103

Transmitted Data

3

BB

104

Received Data

4

CA

105

Request To Send

5

CB

106

Clear To

Send

6

CC

107

Data Set

Ready

7

AB

102

Signal Ground

8

CF

109

Data Carrier Detect

9

----

----

+ 12

Volt.Test only

10

----

----

- 12

Volt.Test only

25

----

----

Analog Loop back

Modem Timing

RTS/CTS Delay

8ms 33 ms 59 ms 219 ms

Data Carrier Detect Delay

6ms 23 ms

Turnaround Squelch Time

83ms

159.6 ms

Soft Carrier Timing

No Soft Carrier

8.3ms

26.6ms

Anti-Streaming Time

4ms

7.6 ms

14 ms

28 ms

56 ms Out

*Specifications are subject to change without notice

For more information on Telenetics’ wireless products and services, call:

949-455-4000 or visit www.telenetics.com

Document #0071 0700

Telenetics is registered trademark of Telenetics Corporation. All other trademarks are the property of their respective holders. ©2000

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Telenetics MOT202T Pin Voltage Function, Data Carrier Detect Level, Transmit Level, Line Connection, Turnaround Squelch