Figure 9. Quad Fxs Connector Pin Assignments; Table 21. Quad Fxs Module Specifications - ADTRAN Total Access 850 System Manual

Section 2 Engineering Guidelines
Interface Pinout
Figure 9 shows the pinout connection for the amphenol connector. See Figure 7 on page 38 for closer detail.
Specifications
Table 21 provides the detailed specifications for the Total Access 850 Quad FXS Module.
Power
Loop Current
Loop Resistance
Terminating
Impedance
Return Loss
Trans Hybrid Loss
Longitudinal
Balance
Frequency
Response
Idle Channel Noise
42

Figure 9. Quad FXS Connector Pin Assignments

Table 21. Quad FXS Module Specifications

6 W (off-hook)
23 mA (nominal)
20 mA (minimum)
1200 Ω (nominal)
1650 Ω (maximum) – 900 Ω/1350 Ω (line), 300 Ω (phone)
µ
900 Ω + 2.16
F
µ
600 Ω + 2.16
F
900 Ω
600 Ω
µ
900 Ω + 2.16
F
ERL > 28 dB
SRL > 20 dB
µ
900 Ω + 2.16
F
ERL > 28 dB
SRL > 20 dB
200, 500, and 1000 Hz: > 58 dB min, > 63 dB avg
3000 Hz: > 53 dB min, > 58 dB avg
300 to 3400 Hz: -0.5 dB and 1.0 dB
< 20 dBrnC
© 2004 ADTRAN, Inc.
Total Access 850 System Manual
25 50
NC
P
T
24 49
Circuit 4
R
P
T
23 48 Circuit 3
R
Slot 6
P
T
22 47 Circuit 2
R
P
T
21 46 Circuit 1
R
P
T
20 45
Circuit 4
R
P T
19 44
Circuit 3
R
Slot 5
P T
18 43 Circuit 2
R
P
T
Circuit 1
17 42
R
P
T
16 41 Circuit 4
R
P T
15 40 Circuit 3
Slot 4 R
P
T
14 39 Circuit 2
R
P
T
Circuit 1
13 38
R
P
T
12 37 Circuit 4
R
P
T
11 36 Circuit 3
R
Slot 3
P
T
10 35 Circuit 2
R
P
T
Circuit 1
9 34
R
P
T
8 33 Circuit 4
R
P
T
7 32 Circuit 3
R
Slot 2
P
T
6 31 Circuit 2
R
P
T
5 30 Circuit 1
R
P
T
Circuit 4
4 29
R
P T
Circuit 3
3 28
R
Slot 1
P T
Circuit 2
2 27
R
P
T
Circuit 1
1 26
R
50 PIN
AMP
RECEPTACLE
64203376L1-1B