E&m voice/fax channel cable, Voice/fax channel connectors, Dsu back-to-back cable – Multi-Tech Systems DataTalker DT101/xx User Manual

Page 123

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123

Appendix C - Cabling Diagrams

E&M Voice/Fax Channel Cable

White-Green

Green-White

White-Orange

White-Blue

Blue-White

Orange-White

Brown-White
White-Brown

M Input
E Output
T1 4-Wire Output
R 4-Wire Input, 2-Wire
T 4-Wire Input, 2-Wire
R1 4-Wire Output
SG (Signal Ground) Output
SB (Signal Battery) Output

E&M

CABLE

RJ45 Plug

* Cable wire is solid 24AWG. If connecting to a punch block, spade lugs may be cut off.

RJ45

Spade Lug

Wire

Color

Function

1

M

Green/White

Input

2

E

White/Green

Output

3

T1

White/Orange

4-Wire Output

4

R

White/Blue

4-Wire Input, 2-Wire

5

T

Blue/White

4-Wire Input, 2-Wire

6

R1

Orange/White

4-Wire Output

7

SG

Brown/White

(Signal Ground) Output

8

SB

White/Brown

(Signal Battery) Output

Voice/Fax Channel Connectors

E&M

VOICE/FAX CHANNEL 1

FXO

FXS

12345678

2345

2345

12345678

Pin Connections

E&M

Description

FXO

Description

FXS

Description

1

M

2

E

2

N/C

2

N/C

3

T1

3

Ring

3

Tip

4

R

4

Tip

4

Ring

5

T

5

N/C

5

N/C

6

R1

7

SG

8

SB

DSU Back-to-Back Cable

1
2
3
4
5
6
7
8

8
7

6
5
4
3
2
1

RJ-48 Plug

RJ-48 Jack

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