MGC Hardware and Installation Manual

SOURCE

SIGNAL

PIN

PIN

SIGNAL

SOURCE

 

DESIGNATION

NO.

NO.

DESIGNATION

 

Common

Signal Ground

B

A

Chassis Ground

Common

DCE

Clear to Send

D

C

Request to Send

DTE

DCE

Data Carrier Detect

F

E

Data Set Ready

DCE

DCE

Ring Indicator

J

H

Data Terminal Ready

DTE

-

Unassigned

L

K

Unassigned

-

-

Unassigned

N

M

Unassigned

-

DCE

Receive Data (A)

R

P

Transmitted Data (A)

DTE

DCE

Receive Data (B)

T

S

Transmitted Data (B)

DTE

DCE

Receive Timing (A)

V

U

Terminal Timing (A)

DTE

DCE

Receive Timing (B)

X

W

Terminal Timing (B)

DTE

-

Unassigned

Z

Y

Transmit Timing (A)

DCE

-

Unassigned

BB

AA

Transmit Timing (B)

DCE

-

Unassigned

DD

CC

Unassigned

-

-

Unassigned

FF

EE

Unassigned

-

-

Unassigned

JJ

HH

Unassigned

-

-

Unassigned

LL

KK

Unassigned

-

-

Unassigned

NN

MM

Unassigned

-

Figure A-6: V.35 Pin out (M-34 Connector)

SOURCE

SIGNAL

PIN

 

DESIGNATION

NO.

 

 

 

 

 

(NB1)

 

14

 

 

 

(NB2)

Digit Signal Circuits

15

 

 

(NB3)

16

 

 

 

(NB4)

 

17

 

 

 

 

 

 

 

 

RC

Receive Common

18

 

 

SC

Send Common

19

 

 

-

Unassigned

20

 

 

-

Unassigned

21

 

 

DLO

Data Line Occupied

22

 

 

-

Unassigned

23

 

 

-

Unassigned

24

 

 

-

Unassigned

25

 

 

PIN

SIGNAL

SOURCE

NO.

DESIGNATION

 

1

 

 

Shield

-

2

 

 

Digit Present

(DPR)

3

 

 

Abandon Call and Retry

(ACR)

4

 

 

Call Request

(CRQ)

5

 

 

Present Next Digit

(PND)

6

 

 

Power Indication

(PWI)

7

 

 

Signal Ground

(SG)

8

 

 

Unassigned

-

9

 

 

Reserved for automatic calling equipment

-

10

 

 

testing. These 2 pins shall not be

-

 

 

wired in the data terminal equipment.

 

 

11

 

Unassigned

-

12

 

Unassigned

-

13

 

Distant Station Connected

(DSC)

Figure A-7: RS-366 Pin out (DB-25)

A-5

Page 169
Image 169
Polycom DOC2237A manual Figure A-6 V.35 Pin out M-34 Connector