The 3-RS485B card provides a Class B, Class A or Class X circuit for network communications signals and a second Class B circuit for the digitized audio signals
أنظمة الحماية من السرقة والإقتحام
Network Communications Card, Class B
One Class A,X/B network data circuit and one Class B audio data circuit. Add suffix “-E” for EN54 compliant versions
ملفات مرفقة
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EST3 Central Processor Unit
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