GatesAir Intraplex PTR-255 - Page 28

GatesAir PTR-255 Program Audio Codec Module
Intraplex Products Issue 2.1, February 2006
24
Table 3-7
Starting Time Slot Selection – TTS (Transmit), RTS (Receive)
Bit Positions*
4 3 2 1 0
Time Slot
(T1, VRM or ISDN)
Time Slot
(2 MB)
U U U U U
1
0 (illegal)
U U U U D
2
1
U U U D U
3
2
U U U D D
4
3
U U D U U
5
4
U U D U D
6
5
U U D D U
7
6
U U D D D
8
7
U D U U U
9
8
U D U U D
10
9
U D U D U
11
10
U D U D D
12
11
U D D U U
13
12
U D D U D
14
13
U D D D U
15
14
U D D D D
16
15
D U U U U
17
16 (illegal if CAS is active)
D U U U D
18
17
D U U D U
19
18
D U U D D
20
19
D U D U U
21
20
D U D U D
22
21
D U D D U
23
22
D U D D D
24
23
D D U U U
illegal
24
D D U U D
illegal
25
D D U D U
illegal
26
D D U D D
illegal
27
D D D U U
illegal
28
D D D U D
illegal
29
D D D D U
illegal
30
D D D D D
illegal
31
*U = UP, D = DOWN