GatesAir Intraplex PTR-255 - Data Rate Selection; Multiplexer Interface Settings: SW11

GatesAir PTR-255 Program Audio Codec Module
Intraplex Products Issue 2.1, February 2006
20
3.1.4 Data Rate Selection
Select the data rate using the TDR (transmit) and RDR (receive) switches. The behavior of the
data rate settings depends on the algorithm and sample rate selected, as illustrated below.
Table 3-4
Data Rate Settings (TDR, RDR)
Algorithm/Sample Rate
Bit 3
Bit 2
Bit 1
Bit 0
MPEG Layer 2
at 32 or 48 ksps
MPEG Layer 3
at 32 or 48 ksps
MPEG Layer 3
at 16 or 24 ksps
Up
Down
Up
Up
64 kbps
(1 time slot)
Up
Down
Up
Down
64 kbps
(1 time slot)
Down
Up
Up
Up
128 kbps
(2 time slots)
64 kbps
(1 time slot)
Down
Up
Up
Down
128 kbps
(2 time slots)
Down
Up
Down
Up
192 kbps
(3 time slots)
Down
Up
Down
Down
192 kbps
(3 time slots)
Down
Down
Up
Up
256 kbps
(4 time slots)
128 kbps
(2 time slots)
Down
Down
Up
Down
256 kbps
(4 time slots)
Down
Down
Down
Up
384 kbps
(6 time slots)
320 kbps
(6 time slots)
3.2 Multiplexer Interface Settings: SW11
The settings on SW11 are related to the multiplexer setup and are common to both transmit and
receive.
3
4
1
2
TERM
SRVC
CAS
REMOTE
Figure 3-3
Multiplexer Interface Settings - SW11