Memotec NetPerformer SDM-9120 Series, Hardware Installation Manual

Page: 53 / 161

Hardware Installation
Memotec Inc. 3-25
NOTE:
All signals are listed from the PBX’s point of view.
NOTE:
All signals are listed from the PBX point of view.
Figure 3-15: Four-Wire E&M Connections
Figure 3-16: Two-Wire E&M Connections
PBX-to-PBX Connection

E M
M E

PBX
T1 T

R1 R


T T1

R R1
PBX
E

7 2

M
M

2 7

E
R1

3 4

R
PBX
R

4
NP
3

R1
PBX
T

5 6

T1
T1

6 5

T
NP
Connection Through SDM-9XXX Series Units
Connection Through SDM-9XXX Series Units
E

7 2

M
M

2 7

E
PBX
R

4 4

R
PBX
T

5 5

T
NP
NP