线路接口
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RJ45 120欧姆;T1 DSX-1/CSU-1 Line-buildouts
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帧处理
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独立的2个帧处理器,分别处理收和发.支持的帧格式:CRC4/non-CRC4/ESF/D4T1/E1
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自动产生DS1空闲码.支持ANSI T1.403-1998
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能产生和检测RAI-CI/AIS-CI/RAI.
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RCL, RLOS, RRA和RAIS中断告警.
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电信标准
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ANSI: T1.403-1995, T1.231–1993, T1.408
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AT&T: TR54016, TR62411
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ITU: G.703, G.704, G.706, G.736, G.775, G.823, G.932, I.431, O.151, Q.161
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ITU-T: Recommendation I.432–03/93 B-ISDN User-Network Interface—Physical Layer
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Specification
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ETSI: ETS 300 011, ETS 300 166, ETS 300 233, CTR12, CTR4
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Japanese: JTG.703, JTI.431, JJ-20.11 (CMI Coding Only)
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环境参数
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温度范围:0-50摄氏度
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指示灯
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每个接口1个三色指示灯,共4个指示灯
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