Specifications
S-9
ANT-20/ANT-20E
PDH MUX/DEMUX
The balanced output is used as a LINE or as an AUXILIARY output.
3.3
Signal inputs
3.3.1
AUXILIARY signal input [10], electrical
LOS (Loss of Signal) status display
LED lights up if the signal input is active but no signal is present.
Interface
Bit rate (Mbit/s)
Line code
Output voltage
E1
2.048
HDB3
±
3.0 V
DS1
1.544
B8ZS
DSX-1 compatible
The bit rates depend on the mapping options fitted.
Table S-6
Specifications of the LINE/AUXILIARY signal output [13], electrical
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . unbalanced, (coaxial)
Socket type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BNC
Input impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Ω
Max. permitted frequency offset . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±
500 ppm
Input voltage range. . . . . . . . . . . . . . . . . . . . . . . . . . .0 dB attenuation referred to nominal level
Max. permitted peak input voltage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±
5 V
Interface
Bit rate (Mbit/s)
Line code
Input voltage
E4
139.264
CMI
1.0 V
±
10 %
DS3
44.736
B3ZS
1.0 V
±
10 %
E3
34.368
HDB3
E2
8.448
HDB3
2.37 V
±
10 %
E1
2.048
HDB3
DS1
1.544
B8ZS
The bit rates depend on the mapping options fitted.
Table S-7
Specifications of the AUXILIARY signal input [10], electrical
