Cabletron Systems NBR-220 Chapter Controls And Indicators, 1 The NBR-SERIES of Network Products

CHAPTER 2

CONTROLS AND INDICATORS

This chapter provides descriptions of the controls and indicators of the Network Bridge Routers (NBR-220,NBR-420,NBR-620). The models are as follows:

•NBR-220– two Ethernet Port Interface Module (EPIM) ports

•NBR-420– two EPIM ports, and two Bridge/Router Interface Module (BRIM) ports

•NBR-620– four EPIM ports, and two BRIM ports

NBR-220TWO PORT BRIDGE WITH LANVIEW®

	PWR
RESET	CPU
	COM

NBR-420MULTI PORT BRIDGE ROUTER

	PWR
DISPLAY RESET	CPU
COM 2	COM 1

NBR-620MULTI PORT BRIDGE ROUTER

	PWR
DISPLAY RESET	CPU
COM 2	COM 1

RECEIVE
TRANSMIT
COLLISION		PWR	PWR
STAND BY	EPIM-A		EPIM-A

B A PORT PORT B PORT A

WITH	LANVIEW®	T1/FT1	SYNC
			LNK YEL STB DSR LNK
					STY	XMT
					LNK	RCV
			TST RED SYN CTS TST				BRIM-A100
			BRIM-WT1	PORT F	PORT E
	RECEIVE
	TRANSMIT
	COLLISION					PWR	PWR
	STAND BY					EPIM-A	EPIM-A

B A PORT PORT B PORT A

WITH	LANVIEW®	T1/FT1	SYNC
		LNK YEL STB DSR LNK
					STY	XMT
					LNK	RCV
		TST RED SYN CTS TST	BRIM-WT1	PORT F	PORT E		BRIM-A100
	RECEIVE
	TRANSMIT
	COLLISION		PWR		PWR	PWR	PWR
	STAND BY	EPIM-A			EPIM-A	EPIM-A	EPIM-A

D C B A PORT PORT D PORT C PORT B PORT A

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Figure 2-1 The NBR-SERIES of Network Products

NBR-SERIES Installation Guide Page 2-1