
V1.4 February 2005
Data Sheet
Ag2410
HIGH PERFORMANCE QUAD TRUNK
1.0 Pin Description
Pin #
A
B
C
D
Name
Description
1
8
15 22
TIP (A)
Tip.
Connects to the subscriber line Tip.
2
9
16 23
RING (B) Ring.
Connects to the subscriber line Ring.
3
10 17 24
nc
No connect.
This pin can be left open circuit.
4
11 18 25
nc
No connect.
This pin can be left open circuit.
5
12 19 26
DMa
DC Mask a.
A resistor is connected between this pin and
DMb to adjust the d.c. characteristics of the termination.
DC Mask b.
A resistor is connected between this pin and
DMa to adjust the d.c. characteristics of the termination.
6
13 20 27
DMb
7
14 21 28
nc
No connect.
This pin can be left open circuit.
Analog ground.
Normally connected to system ground. All
four pins must be connected to Analog Ground.
+5V supply.
All four pins must be connected to +5V.
71 57 43 29
GND
72 58 44 30
V
CC
73 59 45 31
nc
No connect.
This pin can be left open circuit.
74 60 46 32
nc
No connect.
This pin can be left open circuit.
75 61 47 33
Z
b
Balance network.
The network balance matching
components are connected between this pin, V
IN
and GND.
Audio In.
This is the analog input signal from the Codec
(which is output on Tip and Ring). Connected via a 100nF
capacitor.
76 62 48 34
V
IN
77 63 49 35
nc
No connect.
This pin can be left open circuit.
78 64 50 36
V
OUT
Audio Out.
This is the analog output signal (from Tip and
Ring) to the Codec. Connected via a 100nF capacitor.
79 65 51 37
nc
No connect.
This pin can be left open circuit.
80 66 52 38
LC
Loop current.
A logic 1 Indicates that loop current is flowing.
81 67 53 39
LSC
Loop switch control.
Applying a logic 1 closes the integral
loop switch.
Ringing signal.
A logic 0 indicates the presence of ringing
voltage on the telephone line. Toggles at twice the ringing
frequency. Also RS indicates whether the line polarity has
reversed with a pulse.
82 68 54 40
RS
83 69 55 41
nc
No connect.
This pin can be left open circuit.
84 70 56 42
V
REF
Analog reference.
Bias voltage for analog circuitry. Must
be de-coupled with 100uF.
Silver Telecom 2005
Page 3