Juniper Networks 8 manual ERX Ports and Connectors ERX-14xx Model Shown

ERX 8.0.x Hardware Guide

NOTE: We recommend that you use shielded cables where appropriate.

Figure 23: ERX Ports and Connectors (ERX-14xx Model Shown)

OC3-4 I/O module (slot 12)

CT3 I/O module (slot 9)

Port 0		RX
		TX
	OC3

I/O module (slot 13)

Port 1		RX
		TX
	Blank
faceplate
Ejector

Alarm leads	SRP I/O module
External timing ports (Europe)	(slot positions 6 and 7)
External timing ports (North America)		FE-8 I/O module
		(slot 5)

OC3	OC3-4	OC3-4	CT3	CT3					FE-8
I/O	I/O	I/O	I/O	I/O					I/O
	SINGLE	SINGLE
	MODE	MODE			MINOR	+
						-
				ALARMS
					MAJOR	+
						-
						+
					CRITICAL	-
					E1 75 OHM				Port 0
					CLOCK IN
				TIMING					Port 1
				EXTERNAL			T		Port 2
					T1 100 OHM	A	G		Port 3
							R
					CLOCK IN
							T
						B	G
							R
					BASE T				10/100 BASE T port
					10/100
				CONSOLE					RS-232 terminal port
					RS-232
									Power input module
				THIS PRODUCT IS EQUIPPED WITH
				TWO POWER FEEDS. DISCONNECT			POWER A POWER B
				BOTH FEEDS PRIOR TO SERVICE.
									Power A and Power B
							ON	ON	on/off switches
							OFF	OFF
							O	O
				POWER A			POWER B
				-48VDC	RTN		-48VDC	RTN
									Power A and Power B
									input connectors
				-48VDC	RTN		-48VDC	RTN
									Ground terminals
				!	WARNING!				g013749
					NO OPERATOR ACCESSIBLE
					COMPONENTS. AUTHORIZED
					SERVICE PERSONNEL ONLY.

54 Cabling Overview