Intraplex VF-40 Voice Module
2 – Functional Description & Setup
Version 1.11
2-2
GatesAir
Intraplex Products
Figure 2-1. VF-40 Voice Module, Block Diagram
TDM Bus
Serial Control Bus
Drivers & Receivers
FPGA
PCM CODEC
Level Control
1
2
3
4
5
6
7
8
TONE
SP0
TS1
TS0
TERM
SIG OFF
REMOTE
SRVC
SELECT
TIME SLOT
SET SCB
ADDRESS
LBACK
1
2
3
4
5
6
1
2
3
4
5
6
SELECT
TIME SLOT
SET SCB
ADDRESS
1
2
3
4
5
6
7
8
M Lead
Detect
E Lead
Driver
Channel 1 _ _ _ _ _ Chan. 2 _ _ Chan. 3 _ _ Chan. 4
M
o
du
le
A
da
p
te
r
VF
-4
0
M
o
du
le
M
-A
I
np
ut
M
-B
I
np
ut
E-
A
O
ut
pu
t
E-
B
O
ut
put
Local
Loopback
Remote
Loopback
