Liebert GXT 2U 7.0 C

Communications

7.0 COMMUNICATIONS

7.1 COMMUNICATIONS INTERFACE PORT

The UPStation GXT 2U UPS has a standard DB-9 serial port female

connector located on the rear of the UPS unit. Several signals are pro-

vided on this port and are assigned as follows:

* Maximum voltage and current on pins 1, 7, 8, and 9 is 60VDC; 10.0 mA.

Pin Assignment Description

1 Low Battery (open collector)

2 UPS TxD (typical RS-232 levels)

3 UPS RxD (typical RS-232 levels)

4 Remote Shutdown (5-12VDC, 10-24 mA max); battery operation

5 Common

6 Remote Shutdown (short to pin 5); all modes of operation

7 Low Battery (open emitter)

8 Utility Fail (open emitter)

9 Utility Fail (open collector)

Pin Assignment Collector to Emitter*

54321

6789

(-)

(+)

330 Ohms

Open

Collecto

Open

Emitter

Contents

Main Page TABLE OF CONTENTS 4.0 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.0 CONTROLS AND INDICATORS . . . . . . . . . . . . . . . . . . . 14 TABL ES IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS !WARNING !CAUTION 1.0 GLOSSARY OF SYMBOLS i 2.0 I 3.0 MAJOR COMPONENTS 3.1 TRANSIENT VOLTAGE SURGE SUPPRESSION (TVSS) 3.2 RECTIFIER/POWER FACTOR CORRECTION (PFC) CIRCUIT 3.3 I 3.4 BATTERY CHARGER 3.5 DC TO DC CONVERTER 3.6 B 3.7 DYNAMIC BYPASS 3.8 GXT 2U (REAR VIEW) 4.0 I 4.1 P 4.2 TOWER UPS INSTALLATION 4.3 RACK-MOUNT UPS CONVERSION AND INSTALLATION Page Page Page 4.4 EXTERNAL BATTERY CABINET INSTALLATION 5.0 CONTROLS AND INDICATORS 5.1 ON/ALARM SILENCE/MANUAL BATTERY TEST BUTTON 5.2 STANDBY/MANUAL BYPASS BUTTON 5.3 LOAD/BATTERY LEVEL INDICATORS (4 GREEN, 1 AMBER) 5.4 FAULT INDICATOR LED (RED) 5.5 BYPASS INDICATOR LED (AMBER) 5.6 UPS ON INDICATOR LED (GREEN) 5.8 AC INPUT INDICATOR LED (GREEN) 5.9 OUTPUT VOLTAGE SELECTION 6.0 OPERATING INSTRUCTIONS 6.1 NORMAL MODE OPERATION 6.2 BYPASS MODE OPERATION 6.3 BATTERY MODE OPERATION 6.4 BATTERY RECHARGE MODE 7.0 C 7.1 COMMUNICATIONS INTERFACE PORT 7.2 PINS 4 & 5 - REMOTE SHUTDOWN ON BATTERY 7.3 PINS 5 & 6 - ANY-MODE SHUTDOWN 7.3.1 Auto-Enable Output 7.3.2 Pin 6 Logic !WARNING 7.4 UPS INTELLIGENT COMMUNICATIONS 8.0 CONFIGURATION PROGRAM 8.1 GXT 2U C 8.1.1 What You Will Need 9.0 M 9.1 BATTERY REPLACEMENT 9.1.1 Internal Battery Replacement Procedures 9.2 FUSE REPLACEMENT 10.0 T Page Page Table 1 Troubleshooting guide (continued) Table 2 Alarm conditions Specifications 32 11.0 S Specifications 33 SPECIFICATIONS (CONTINUED) 12.0 BATTERY CABINET SPECIFICATIONS 13.0 BATTERY RUN TIMES 14.0 PRODUCT WARRANTY REGISTRATION Page Page Page Technical Support/Service Locations The Company Behind the Products P OWER A UPStation GXT 2U USER MANUAL