參數(shù)資料
型號(hào)： T7121
英文描述： T7121 HDLC Interface for ISDN
中文描述： T7121的HDLC接口用于ISDN
文件頁(yè)數(shù)： 66/68頁(yè)
文件大?。?/td> 685K
代理商： T7121
66
Lucent Technologies Inc.
Data Sheet
April 1997
T7121 HDLC Interface for ISDN (HIFI-64)
Appendix
(continued)
Power and Ground
Q20
: Are there any warning signs that indicate poor grounding practices have been used
A20
: If errors occur which do not appear to be due to software or to the external communications link, then loop
the T7121 data path back at the concentration highway. Any data transmitted should be received error-free. If
there are errors, poor grounding might be the cause. Look for glitches on RESET and WR leads. Connect
RESET to ground and do a software reset; if the error rate improves, RESET is being glitched and improved
grounding should help.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T7-121A1 制造商:OTTO 功能描述:Toggle Switches ON NONE OFF 1 Pole Standard Bat Handle 制造商:OTTO Engineering Inc 功能描述:Switch Toggle ON None OFF SPST Bat Toggle Screw 16A 115VAC 28VDC Panel Mount with Threads
T7-121A2D 制造商:OTTO 功能描述:Toggle Switches ON NONE OFF 1 Pole Standard LeverLock 制造商:OTTO Engineering Inc 功能描述:1 POLE, SCREW, STD,
T7-121A2G 功能描述:撥動(dòng)開(kāi)關(guān) ON NONE OFF 1 Pole Standard LeverLock RoHS:否 制造商:OTTO 觸點(diǎn)形式: 開(kāi)關(guān)功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類(lèi)型: 安裝風(fēng)格: 端子密封: 觸點(diǎn)電鍍: 照明:
T7-121A5 制造商:OTTO 功能描述:Toggle Switches ON NONE OFF 1 Pole Standard Bat Handle 制造商:OTTO Engineering Inc 功能描述:Switch Toggle ON None OFF SPST Bat Toggle Screw 16A 115VAC 28VDC Panel Mount with Threads
T7-121B1 功能描述:撥動(dòng)開(kāi)關(guān) ON NONE ON 1 Pole Standard Bat Handle RoHS:否 制造商:OTTO 觸點(diǎn)形式: 開(kāi)關(guān)功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類(lèi)型: 安裝風(fēng)格: 端子密封: 觸點(diǎn)電鍍: 照明:
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