2: Hardware installation Hardware overview12Status lights • PWR (green): On when power is applied.• LPBK (yellow): On when the loopback function is enabled. Flashes when traffic is beinglooped-back.• MIN (yellow): On when a minor alarm condition is present.• MAJ (red): On when a major alarm condition is present.• CRIT (red): On when a critical alarm condition is present.• SFP (green):• TX: Flashes when the port transmits data.• Link/RX: Solid when the link level is present. Flashes when the port receives data.Rear panel The rear panels on all units are identical.Port/Connectors• +/-40-57V---0.25A connector: For use with the EtherSHELF connectors or a discretepower cord (connector sold separately) providing +/-40 to +/-57 V DC.• 5V---2A connector: For use with the DC power adapter.• Console: RJ-45 serial connection for access to the console interface. Pin-outs for bothends of the console cable are as follows:ConsoleRJ-45Cable8 1TERMINAL5196DB-9 Female
