XECOM XEISDNS Datasheet

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XEISDNS

1/99

ISDN Terminal Adapter Module with S/T Interface and Channel Bonding

Description

The XEISDNS integrated ISDN Terminal Adapter offers an easy to use, high performance, component-level solution for equipment designs needing access to ISDN service. The module can directly connect to a host processor through its onboard serial TTL level interface and link to the ISDN subscriber line S/T interface which is standard in most European countries.

The device is designed for the ISDN Basic Rate Interface (BRI) which consists of two 64 k bps bearer (B) channels for data or voice and one delta

(D) channel for signaling. The module can provide a full 128k bps synchronous data channel by combining the two bearer channels.

Alternatively, one 64k bps channel can be dedicated to data while the other can be made available for analog phone/fax/modem calls with the addition of the XEISDNP Analog Telephone (POTS) Equipment Interface. Together these provide the user with a complete ISDN terminal adapter function in two compact modules.

XEISDNS is designed to accommodate a wide range of software and protocols. It adapts to both single-link and multi-link Point-toPoint Protocol (PPP), as well as Asynchronous Inverse Multiplexing (AIM) up to 115.2k bps, and to synchronous BONDING to 128k bps.

Built-in ISDN control firmware supports all the functions necessary for setup and configuration of the terminal adapter and the ISDN line. Configuration can be accomplished via an extended AT command set, a menu-driven setup utility, or factory default/user stored configuration profiles.

The built-in ISDN Monitor firmware has fifteen commands supporting customer program development and download. The 256Kx16 Flash memory is designed to support custom control program downloading. By changing a configuration pin the XEISDNS can boot-up from the ISDN-Monitor or a user developed program as well as the built-in ISDN control program.

Features

·Small size: 2.75" x 1.38" x 0.42"

·Motorola MC68302 Integrated Multi-protocol Processor with RISC controller. 128K x 16 SRAM, 256K x 16 Flash Memory and 8K x 8 EEPROM included

·ISDN Basic Rate Interface ETS 300 012 compliant, “S/ T” reference point.

·V.110 and V.120 rate adaptation, point to point protocol (PPP), Multi-link PPP, Asynchronous Inverse Multiplexing (AIMux), and synchronous BONDING protocol

·Switch compatibility with ETSI (Euro ISDN). Layer 1: ETS 300 012, Layer 2: ETS 300 125, Layer 3 ETS 300 102-1 and 102-2

·EIA-232E/V.24 ready serial interface at TTL levels (RS- 232-TTL)

·300 to 115,200 bps asynchronous, 1200 to 64,000 bps synchronous data rate; up to 128k bps with BONDING protocol

·Menu-driven and stored configurations

·Control outputs to interface with XEISDNP Analog Telephone (POTS) Equipment Interface module

·On-board ISDN Monitor supports user program downloading and system debugging

·Jumper configurable memory addressing allows easy change from Development to Application mode (using built-in ISDN control program or user developed program)

XECOM

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XEISDNS

XECOM XEISDNS Datasheet

XEISDNS Block Diagram

 

XEISDNS

 

6 8 0 0 0

D M A

T im e rs

5 1 2 K B

2 5 6 K B

 

 

 

F la sh

S R A M

 

 

 

C o re

(1 )

(3 )

m e m o ry

 

 

 

D M A

R IS C

D M A

1 1 5 2 B yte

8 K B

 

 

 

C o ntro lle r

D ual p o rt

E E P R O M

 

IS D N

S /T

(2 )

 

(6 )

R A M

 

 

 

 

 

 

 

 

 

L o cal

 

 

 

 

 

 

 

L o o p

Interface

 

 

 

 

 

 

 

 

S C C

 

S M C s (2 )

S C C s

 

 

 

 

 

and

 

I/O p o rts

 

 

(1 )

 

S C P

(3 )

 

 

 

 

 

 

 

 

 

 

 

 

ID L

B U S

 

 

 

 

 

 

P O T S D ata

 

 

R S -2 3 2 -T T L

P O T S C o ntro l

Mechanical Specifications

 

 

 

A

 

 

 

 

 

 

INCHES METRIC(MM)

Dim MIN MAX MIN MAX

A

2.740

2.760

69.60

70.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

1.370

1.390

34.80

35.31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

C

0.420

0.430

10.67

10.92

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

1.190

1.210

30.23

30.73

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

2.290

2.310

58.17

58.67

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

0.125

0.200

3.18

5.08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Denotes Pin 1

G

0.080

0.100

2.03

2.54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

0.215

0.235

5.46

5.97

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

0.090

0.110

2.29

2.79

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

J

0.020

0.025

0.51

0.64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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G

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

XECOM

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XEISDNS

Pin Configuration

R x P

 

1

4 8

R x N

 

2

4 7

R e s e rv e d

3

4 6

T x P

 

4

4 5

T x N

 

5

4 4

R e s e rv e d

6

4 3

R e s e rv e d

7

4 2

R e s e rv e d

8

4 1

G N D

9

4 0

C F G /S D O

1 0

3 9

T D

T T L

1 1

3 8

R D

T T L

1 2

3 7

R T S

T T L

1 3

3 6

C T S

T T L

1 4

3 5

D S R

T T L

1 5

3 4

C D

T T L

1 6

3 3

T C L K T T L

1 7

3 2

R e s e rv e d

1 8

3 1

D T R T T L

1 9

3 0

R I T T L

2 0

2 9

M C L K T T L

2 1

2 8

R S T

B T

2 2

2 7

 

 

2 3

2 6

G N D

2 4

2 5

 

 

 

 

+ 5 V

D C L

D O U T

D IN

FSX

Re s e rv e d

Re s e rv e d

Re s e rv e d

Re s e rv e d

FS R

isp E N

SC L K

O H /M O D E

D T M F R D Y /S D I R I N G E N

D C E N

P W R C T R L

R T C T R L

P D I

D 4

D 5

D 6

D 7

R e s e rv e d

Pin Descriptions

Pin Name

Pin #

Direction

Description

 

RxP

1

 

ISDN S interface transformer

Rx+

RxN

2

 

ISDN S interface transformer Rx-

Reserved

3

N/A

No user connection allowed

 

TxP

4

 

ISDN S interface transformer

Tx+

TxN

5

 

ISDN S interface transformer

Tx-

Reserved

6

N/A

No user connection allowed

 

Reserved

7

N/A

No user connection allowed

 

Reserved

8

N/A

No user connection allowed

 

GND

9

Ground

Power & signal ground

 

CFG/SDO

10

Input/Output

Configuration setup. See Modes of Operation. When re-program-

 

 

 

ming the In-System Programmable (ISP) CPLD, this pin is used

 

 

 

for the cascade connections and should not be pulled low or high.

 

 

 

 

 

 

 

 

 

 

XECOM

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XEISDNS

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