Specifications
S-1
ANT-20/ANT-20E
PDH MUX/DEMUX
Specifications
Options BN 3035/90.30 to BN 3035/90.32
1
Generator section
1.1
Frame generator, 64k/140M PDH MUX/DEMUX Chain (option BN 3035/90.30)
The following frames are available:
The multiplexer chain (BN 3035/90.30) allows generation of a completely structured signal from
64 kbit/s to 140 Mbit/s.
1.2
Frame alignment signals
Frame alignment signals (FAS) corresponding to ITU-T recommendations G.751, G.742 and
G.704.
1.2.1
Frame bit modifications
The following bits can be statically programmed:
Bit ratekbit/s
Frame conforming to:
Notes
2048
ITU-T G.704
PCM 30, PCM 30 CRC, PCM 31 and
PCM 31 CRC systems
8448
ITU-T G.742
PCM 120 system
34368
ITU-T G.751
PCM 480 system
139264
ITU-T G.751
PCM 1920 system
Table S-1
Frame generation
PCM 1920 (G.751) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FAS bit nos. 13, 14, 15, 16
PCM 480, 120 (G.751, G.742) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FAS bit nos. 11, 12
PCM 30/31 (G.704) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NFAS bit nos. 3 through 8
PCM 30/31 CRC (G.704) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NFAS bit nos. 3 through 8
