Front Panel; Led Descriptions; Rj48 Connectors J1 And J2; Connectors And Leds On Front Panel - Interphase 4538 Hardware Reference Manual

Front Panel

Front Panel

LED Descriptions

CPU_LED1: Board user-programmable green LED controlled by PD(15)
CPU_LED2: Board user-programmable green LED controlled by PD(14)
CPU_LED3: Board user-programmable red LED controlled by PD(18)
CPU_LED4: Board user-programmable red LED controlled by PD(17)
LED1:Synchronization signal provided by the Framer 1 for Line 0
LED2:Synchronization signal provided by the Framer 2 for Line 1
LED3: LXT971 LED driver 1
LED4: LXT971 LED driver 2
LED5: LXT971 LED driver 3
LED6: User-programmable LED, CPU_LED6 controlled by PD(16)

RJ48 Connectors J1 and J2

J1 is tied to the first framer and J2 is tied to the second framer.
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Figure 5-3. Connectors and Leds on front panel
Interphase Corporation