User's manual g. Shdsl termination Unit Scorpio 1400 lcd




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Pins Assignment


The pin assignment for different interface of Scorpio 1400 is depicted in the following sections.

A Conversion Cable is enclosed for converting DB-25 to V.35, V.36, or X.21 interface, as shown in Figure C-1. There are three types of Conversion Cables, depending on the customer’s order; the cable is enclosed in the shipping package.



Figure C 1 The Conversion Cable of DB-25(M) to V.35(F)


    1. V.35 Interface


Figure C-2 and Figure C-3 respectively illustrate the DB-25M and V.35 interfaces. Refer to Table C-1 to see the pin definition of V.35 cable.

Figure C 2 DB-25M Interface



Figure C 3 V.35 Interface



Table C 1 V.35 Cable Pin Definition

DB-25 Male

Signal

V.35 Female

Source

1

Frame Ground

A

Common

7

Signal Ground

B

Common

4

Request to Send

C

DTE

5

Clear to Send

D

DCE

6

Data Set Ready

E

DCE

8

Data Carrier Detect

F

DCE

20

Data Terminal Ready

H

DTE

2

Transmit Data (A)

P

DTE

3

Receive Data (A)

R

DCE

14

Transmit Data (B)

S

DTE

16

Receive Data (B)

T

DCE

24

Terminal Timing (A)

U

DTE

17

Receive Timing (A)

V

DCE

11

Terminal Timing (B)

W

DTE

9

Receive Timing (B)

X

DCE

15

Terminal Timing (A)

Y

DCE

12

Terminal Timing (B)

AA

DCE



    1. RS-530 Interface


Figure C-4 illustrates the RS-530 Interface.

Figure C 4 RS-530 Interface

Refer to Table C-2 to see the pin definition of RS-530 Connector.

Table C 2 RS-530 Connector Pin Definition



DB-25 Male

Signal

Source

1

Frame Ground

Common

2

Transmit Data (A)

DTE

3

Receive Data (A)

DCE

4

Request to Send (A)

DTE

5

Clear to Send (A)

DCE

6

DCE Ready (A)

DCE

7

Signal Ground

Common

8

Receive line Signal Detector (A)

DCE

9

Receive Signal Element Timing (B)

DCE

10

Receive line Signal Detector (B)

DCE

11

EXT. Transmit Signal Element Timing (B)

DTE

12

Transmit Signal Element Timing (B)

DCE

13

Clear to Send (B)

DCE

14

Transmit Data (B)

DTE

15

Transmit Signal Element Timing (A)

DCE

16

Receive Data (B)

DCE

17

Receive Signal Element Timing (A)

DCE

18







19

Request to Send (B)

DTE

20

DTE Ready (A)

DTE

21







22

DCE Ready (B)

DCE

23

DTE Ready (B)

DTE

24

EXT. Transmit Signal Element Timing (A)

DTE
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