描述
定时器的精度与程序的安排有关，如果定时器的触点在线圈之前，精度将会降低。平均误差约为1.5倍扫描周期。最小定时误差为输入滤波器时间减去定时器的分辨率，1ms，10ms和100ms定时器的分辨率分别为1ms，10ms和100ms。如果定时器的触点在线圈之后，最大定时误差为2倍扫描周期加上输入滤波器时间。如果定时器的触点在线圈之前，最大定时误差为3倍扫描周期加上输入滤波器时间。
90-2180-01-03-E Alcatel Newbridge 36170 TERMN CARD
90-2182-01-03-V Alcatel Newbridge 36170 DUAL SWG CARD
90-2186-01-03-ZA Alcatel Newbridge 36170 CONTROL CARD
One-day shipping available
Newbridge / Alcatel OC3-2 IR card P/N: 90-4905-21/U
Alcatel NewBridge OC12 IR card P/N: 90-2304-31/B
ALCATEL 3EM12295AC 1677 SL STS SWITCH CARD WMUCALT
Lucent Alcatel CTU-II Card GPS-EXT 44WW27B 1:3
ALCATEL 1677SL OC-3 LINE CARD 3EM12238AA07 WMOTAXN
Alcatel Z20VG 3BA 53175 3BA53175ABBF cards OmniPCX 4400
Alcatel / Newbridge 90-6832-02 24 Port ADSL Line Card
Alcatel 644-0003-001 Issue 2 1648-SM SHLF PROCR Card 64
Newbridge / Alcatel OC3-2 MMF card P/N: 90-4905-23/U
Expedited shipping available
Newbridge / Alcatel OC3-2 MMF card P/N: 90-4905-23/V
ALCATEL OmniSwitch/ROUTER S/R-5 W/ CARDS AND PSS SYSTEM
Newbridge / Alcatel OC3-2 MMF card P/N: 90-4905-23/T
