參數(shù)資料
型號(hào): L9215A
英文描述: CAP CER 2200PF 3.15KVDC R3 RAD
中文描述: 短回路正弦波振鈴用戶接口
文件頁(yè)數(shù): 11/50頁(yè)
文件大小: 1115K
代理商: L9215A
Data Sheet
September 2001
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Agere Systems Inc.
11
Operating States
Table 2. Control States
Table 3. Supervision Coding
B0
1
1
1
1
1
1
1
1
0
0
0
B1
1
1
0
0
1
1
0
0
1
0
1
B2
0
0
0
0
1
1
1
1
1
0
1
BR
1
0
1
0
1
0
1
0
1
1
0
State
Forward active
Forward active with PPM
Reverse active
Reverse active with PPM
On-hook transmission forward battery (in this state, the device will power up)
On-hook transmission with PPM forward battery
On-hook transmission reverse battery
On-hook transmission with PPM reverse battery
Scan
Disconnect
Ring
NSTAT
TRGDET
0 = off-hook or ring trip or TSD.
1 = on-hook and no ring trip and no
TSD or DISCONNECT state.
0 = no ring or tip ground
1 = ring or tip ground
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