Samsung Ubigate iBG3026 Configuration Manual page 500

CHAPTER 30. Analog Voice Port
M-wire
seizure
digits
digits
Analog E & M Type
For Analog E & M, the type
of
On-hook/off-hook is used, Submarine supports E & M Type I, II, III, and V
Type. Table 30.1 explains the difference on signaling for E & M type.
E & M
Type
I
II
III
V
458
Originating
E-wire
Figure 30.6 delay method signaling sequence
(I-V)
Table 30.1 E & M Wiring and Signaling Methods
E-Lead
Configuration Configuration
Output, Relay to Input,referenced
ground to ground
Output, Relay to Input,referenced
SG to ground
Output, Relay to Input,referenced
ground to ground
Output, Relay to Input,referenced
ground to -48V
Destination
M-wire E-wire
Seizure ack
Start dial
answer
distinguished depending on the status
M-Lead Signaling
Battery Lead
-
Feed for M,
connected to -
48V
Connected to -
48V
-
Min 120 msec
Max 6 sec
Min 10 msec
Max 6 sec
Min 70 msec
Max 10 sec
Min 200 msec
Signaling
Ground Lead
-
Return for E,
Galvanically
isolated from
ground
Connected to
ground
-
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