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Power supply, redundant 1756-PA75R, 1756-PB75R, 1756-PSCA2
Ethernet port 1 Ethernet RJ45 Category 5
Ethernet cable Multimode fiber, LC connector
802.3 compliant shielded or unshielded twisted pair
Wiring category(1)
(1) Use this conductor category information for planning conductor routing as described in the system level installation manual. See the Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1.
2 - on Ethernet ports
North American temp code T4A
ATEX temp code T4
IECEx temp code T4
Enclosure type rating None (open-style)
Transmitter launch power at Beginning of Life (BOL), min
Allow -1 dB at End of Life (EOL)
-19 dBm into 62.5/125 µm fiber, — = 0.275
-22.5 dBm into 50/125 µm fiber, — = 0.20
32 Rockwell Automation Publication 1756-TD003Q-EN-E - March 2022
Table 34 - 1756-EWEB Environmental Specifications
Attribute 1756-EWEB/B



电源,冗余1756-PA75R,1756-PB75R,1756-PSCA2
以太网端口1以太网RJ45 5类
以太网电缆多模光纤,LC连接器
符合802.3标准的屏蔽或非屏蔽双绞线
布线类别(1)
(1) 按照系统级安装手册中的说明,使用此导线类别信息规划导线布线。参见工业自动化布线和接地指南,
出版物1770-4.1。
2-以太网端口上
北美临时代码T4A
ATEX温度代码T4
IECEx临时代码T4
外壳类型额定值无(开放式)
发射初期发射功率(BOL),min
寿命结束时允许-1 dB(EOL)
-在62.5/125µm光纤中传输19 dBm,-=0.275
-在50/125µm光纤中传输22.5 dBm,-=0.20
32罗克韦尔自动化出版物1756-TD003Q-EN-E-2022年3月
表34-1756-EWEB环境规范
属性1756-EWEB/B
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