Rear Panels

1.Manual BypassSwitch:This red and yellow dial is used in one step of putting the UPS in "BYPASS"mode, which must be done before performingany maintenance on the UPS with the connected load supported. (Seepage 12 for step-by-step instructions for going into "BYPASS.")While this switch is on "BYPASS."connected equipment will receive filtered AC mains power, but will not receive battery power in the event of a blackout.

2.Input Terminal Block: Use these terminals to connect your UPS to the AC main power input. Unscrew and remove terminal block plate for access. The optional SUBP battery pack's IEC-320 connector accepts its charger's input power cord.

3.Output Terminal Block: Use these terminals to connect your UPS to equipment. A plate covering the terminal block must be unscrewed and removed for access.

4.Input Voltage Select Terminal Block: Use these terminals to set your UPS's to receive your 208V AC or 240V AC line voltage. A plate covering the terminal block must be unscrewed and removed for access.

5.External Battery Connector: Use this to connect Tripp Lite Battery Packs. The SUlOK requires a SUlOKBP or SUBP to operate; additional SUBP's can be added to SU6K or SUlOK systems for extra runtime. Refer to instructions available with the optional SUBP Battery Pack for connection instructions and safety warnings.

6.Exhaust Fan: This cools and ventilates the inside of the UPS.

7.AS-400Interface Port: This female DB9 port connects your UPS to a n IBM AS-400 computer interface via the AS-400 Cable included. It uses AS-400 communications to report UPS status and power conditions. Using this port, an IBMAS-400 computer can automatically save open files and shut down i t s operating system during a blackout. See "Communications." pg. 13. for details.

8."Smart" -232Interface Port: This female DB9 port connects your UPS to a workstation or server. It uses RS-232 communications to report UPS and power conditions. It is used with Tripp Lite software and the included RS-232 Cable to monitor and manage network power and to automatically save open files and shut down equipment during a blackout. See "Communications." pg. 13. for details.

9.Dry Contact Interface Port: This female DB9 port sends contact-closure signals to indicate line-fail and low-battery status. See "Communications." pg. 14, for details.

10.Accessory Slot: Remove the small cover panel and use optional accessories to remotely control and monitor your UPS. Contact Tripp Lite Customer Support for more information and a Hst of available SNMP. network management and connec- tivity products.

11."BatteryStart"Switch:This momentaryrocker swltch allowsyou to "cold-start" your UPS and use it a s a stand-alone power source when utility-supplied AC power is not present. The switch enables the UPS's DC/AC Inverter. Before "cold-starling"your UPS, make sure your UPS and external battery cabinets are properly installed. Press and hold the "BatteryStart" Switch and then press the "ON/OFF" switch to turn your UPS ON. To turn it OFF after "cold-start," press the "ON/OFF" Switch.

12.Battery Fuses (SU6K& SUBP's Only):The 30A/600V fuses protect your connected battery or battery bank.

13.AC Input Breakers: One double-pole circuit breaker controls input power to the UPS.

14.AC Output Breaker:Triple-pole circuit breakers control output power from the UPS.

15.Remote "Emergency Power OFF" Connector: This R J l l modular jack allows remote emergency shutdown. See "Communications,"pg. 14. for details.

16.Inverter Operation DIP Switches: Behind this removable panel are four DIP Switches that should be set to match your input voltage and input frequency. Your input voltage and frequency DIP switch settings MUST match your input. Your UPS WILL NOT CONVERT the voltage or frequency.

17.Grounding Terminal: This terminal connects to a grounding electrode conductor. IT IS NOT SAFE TO OPERATE YOUR UPS WITHOUT CONNECTING IT. The recommended conductor size is 8 AWG based on the UL 1778 standard.

18.Stabiltzers: These supports extend to keep your UPS from rolling or tipping.