Section 2 Engineering Guidelines
Total Access 850 System Manual
42
© 2004 ADTRAN, Inc.
64203376L1-1B
Interface Pinout
Figure 9 shows the pinout connection for the amphenol connector. See Figure 7 on page 38 for closer detail.
Figure 9. Quad FXS Connector Pin Assignments
Specifications
Table 21 provides the detailed specifications for the Total Access 850 Quad FXS Module.
Table 21. Quad FXS Module Specifications
Power
6 W (off-hook)
Loop Current
23 mA (nominal)
20 mA (minimum)
Loop Resistance
1200
Ω
(nominal)
1650
Ω
(maximum) – 900
Ω
/1350
Ω
(line), 300
Ω
(phone)
Terminating
Impedance
900
Ω
+ 2.16
µ
F
600
Ω
+ 2.16
µ
F
900
Ω
600
Ω
Return Loss
900
Ω
+ 2.16
µ
F
ERL > 28 dB
SRL > 20 dB
Trans Hybrid Loss
900
Ω
+ 2.16
µ
F
ERL > 28 dB
SRL > 20 dB
Longitudinal
Balance
200, 500, and 1000 Hz: > 58 dB min, > 63 dB avg
3000 Hz: > 53 dB min, > 58 dB avg
Frequency
Response
300 to 3400 Hz: -0.5 dB and 1.0 dB
Idle Channel Noise
< 20 dBrnC
26
1
27
2
28
3
29
4
30
5
31
6
32
7
33
8
34
9
35
10
36
11
37
12
38
13
39
14
40
15
41
16
42
17
43
18
44
19
45
20
46
21
47
22
48
23
49
24
50
25
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
NC
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
50 PIN
AMP
RECEPTACLE
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
T
T
R
T
T
R
R
Slot 6
P
P
P
P
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
Circuit 1
Circuit 2
Circuit 3
Circuit 4
R
Summary of Contents for Total Access 850
Page 14: ...Table of Contents Total Access 850 System Manual 14 2004 ADTRAN Inc 64203376L1 1B ...
Page 16: ...Section 1 System Description Total Access 850 System Manual 16 2004 ADTRAN Inc 64203376L1 1B ...
Page 22: ...Section 1 System Description Total Access 850 System Manual 22 2004 ADTRAN Inc 64203376L1 1B ...
Page 224: ...Section 5 DLP 4 Total Access 850 System Manual 224 2004 ADTRAN Inc 64203376L1 1B ...
Page 232: ...Section 5 DLP 6 Total Access 850 System Manual 232 2004 ADTRAN Inc 64203376L1 1B ...
Page 236: ...Section 5 DLP 7 Total Access 850 System Manual 236 2004 ADTRAN Inc 64203376L1 1B ...
Page 244: ...Section 5 DLP 10 Total Access 850 System Manual 244 2004 ADTRAN Inc 64203376L1 1B ...
Page 252: ...Section 5 DLP 13 Total Access 850 System Manual 252 2004 ADTRAN Inc 64203376L1 1B ...
Page 256: ...Section 5 DLP 14 Total Access 850 System Manual 256 2004 ADTRAN Inc 64203376L1 1B ...
Page 264: ...Section 5 DLP 16 Total Access 850 System Manual 264 2004 ADTRAN Inc 64203376L1 1B ...
Page 278: ...Section 6 ADTRAN Utilities Total Access 850 System Manual 278 2004 ADTRAN Inc 64203376L1 1B ...