Taiden HCS-3938C, Инструкция по установке и эксплуатации

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2.3 Extension unit
2.3.1 Functions and instructions
Figure 2.13 HCS-3900ME extension unit
Figure 2.13:
1. Power input
2. Power light (Red)
3. Extension input

Connecting to CMU or last HCS-3900ME.
4. Extension input indicator
5. Extension output (with switch)

Connecting to next HCS-3900ME.
6. Extension output indicator
7. Contribution unit outlet 6P-DIN (1-3)
8. Contribution unit (CU) connection LED

When output works properly (
≥ 1 CU connected),
LED will flash; when no CU is connected, LED is
off.
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