MGC Hardware and Installation Manual

SOURCE

SIGNAL

PIN

 

DESIGNATION

NO.

Common

Signal Ground

B

DCE

Clear to Send

D

DCE

Data Carrier Detect

F

DCE

Ring Indicator

J

-

Unassigned

L

-

Unassigned

N

DCE

Receive Data (A)

R

DCE

Receive Data (B)

T

DCE

Receive Timing (A)

V

DCE

Receive Timing (B)

X

-

Unassigned

Z

-

Unassigned

BB

-

Unassigned

DD

-

Unassigned

FF

-

Unassigned

JJ

-

Unassigned

LL

-

Unassigned

NN

PIN

SIGNAL

 

SOURCE

NO.

DESIGNATION

 

 

A

Chassis Ground

 

Common

 

C

Request to Send

 

DTE

 

E

Data Set Ready

 

DCE

 

H

Data Terminal Ready

 

DTE

 

K

Unassigned

 

-

 

M

Unassigned

 

-

 

P

Transmitted Data (A)

 

DTE

 

S

Transmitted Data (B)

 

DTE

 

U

Terminal Timing (A)

 

DTE

 

W

Terminal Timing (B)

 

DTE

 

Y

Transmit Timing (A)

 

DCE

 

AA

Transmit Timing (B)

 

DCE

 

CC

Unassigned

 

-

 

EE

Unassigned

 

-

 

HH

Unassigned

 

-

 

KK

Unassigned

 

-

 

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 171
Image 171
Polycom MGC-50/MGC-100 installation manual Figure A-6 V.35 Pin out M-34 Connector