參數(shù)資料
型號: XRT86VL3X_07
廠商: Exar Corporation
元件分類: 通信及網(wǎng)絡
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 123/153頁
文件大小: 1316K
代理商: XRT86VL3X_07
XRT86VL3X
116
REV. 1.2.2
T1/E1/J1 FRAMER/LIU COMBO - ARCHITECTURE DESCRIPTION
10.2.2.2
Common Channel Signaling (CCS)
Common Channel Signaling is an alternative form of signaling from CAS. In CCS, whatever signaling data
which is transported via the outbound E1 data stream, carries information that applies to all of the voice
channels as a set (e.g., timeslots 1 through 15 and 17 through 31) in the E1 frame. There are numerous other
variations of Common Channel Signaling that are available. Some of these are listed below.
31 Voice Channels with the common channel signaling being transported via the National Bits.
30 Voice Channels with the common channel signaling data being transported via the National Bits and CAS
data being transported via timeslot 16.
30 Voice Channels with the Common Channel Signaling being processed via timeslot 16. (e.g., Primary Rate
ISDN Signaling).
F
IGURE
105. E1 F
RAME
F
ORMAT
FR
0
FR
1
FR
2
FR
3
FR
4
FR
5
FR
6
FR
15
FR
14
FR
13
FR
12
FR
11
FR
10
FR
9
FR
8
FR
7
1
N
N
N
N
N
A
1
A
D
C
B
A
D
C
B
0
7
6
5
4
3
2
1
1
1
1
0
1
1
0
0
0
X
X
Y
X
0
0
0
TS
0
TS
1
TS
2
TS
15
TS
31
TS
30
TS
29
TS
18 - 28
TS
17
TS
16
TS
3 - 14
FAS
CAS
Time Slot 16
Time Slot 0
Time Slots 1-15, 17-31
Channel Data
b. Frames 1-15
b. Odd Frames 1, 3, 5-15
a. Even Frames 0, 2, 4-14
a. Frame 0
8 Bits/
Time Slot
32 Time Slots/Frame
16 Frames/
Multiframe
Non-FAS
相關PDF資料
PDF描述
XRT86VL3X Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
XRT91L30_0611 STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
XRT91L306 STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
XRT91L30IQ STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
XRT91L30 STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
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