Philips Sopho 2000 IPS - Page 299

– 281 – NWA-008845-001 Rev.5.0
32ch1005.fm
Time Slot Assignment of 30DTI
TIME SLOT No. EVEN No. FRAME ODD No. FRAME
TS0 Frame Alignment Signal (FAS)
TS1-TS15 Voice Channel
CH1-CH15
TS16 • Associated Channel Signaling:
TS17-TS31 Voice Channel
CH17-CH31
X0011011
FAS
b
01 2 3 4 5 6
b
7
CRC BIT
X1 1111 1
b
01 2 3 4 5 6
b
7
CRC BIT 0: NORMAL
1: FRAME LOSS
REMOTE ALARM
X
0001X11
b
01 2 3 4 5 6
b
7
Xa 0 1 0 1
b
01 2 3 4 5 6
b
7
Xa 0 1 0 1
b
01 2 3 4 5 6
b
7
0
Xb Xa Xb
Xb Xa
Xb
MULTI FRAME
ALIGNMENT SIGNAL
(MAS)
REMOTE MULTI ALARM
0: NORMAL
1: MULTI FRAME LOSS
FRAME 0
FRAME 1
FRAME 15
SIGNALING DATA
OF CH1
SIGNALING DATA
OF CH16
SIGNALING DATA
OF CH15
SIGNALING DATA
OF CH30
SIGNALING DATA OF
EACH VOICE CHANNEL
JULY/01/2006
DIRECT DIGITAL INTERFACE
DTI SPECIFICATIONS