Chapter 1: Installation and wiring
P/N 3102351-EN • REV 005 • ISS 28DEC18 15
Figure 18: Single SLC interface card LEDs (VS1 and VS4 panels)
(1) LED DS3: SLC fault: Solid ON to indicate an open
fault. Flashes to indicate a short fault.
(2) LED DS1: Device communication: Flashes to
indicate normal device communications.
Figure 19: Dual SLC interface card LEDs (VS4 panels only)
(1) LED DS3: SLC fault: Solid ON to indicate an open
fault. Flashes to indicate a short fault.
LED DS1: Device communication: Flashes to
indicate normal device communications.
(3) LED DS2: Device communication: Flashes to
indicate normal device communications.
LED DS4: SLC fault: Solid ON to indicate an open
fault. Flashes to indicate a short fault.