beautypg.com

Apple Xserve RAID User Manual

Page 84

background image

Specifications

85

m 9-pin D connector

m Pin signals

1: (CD) UPS battery low (20%)

2: Not used

3: Not used

4: (DTR) handshake option

5: Ground

6: Not used

7: (RTS) reserved

8: (CTS) Line fail—switch to UPS battery

9: (RI) reserved

m Serial cable to UPS should be number 940-0020B (or comparable cable) for APC basic

signaling

1 2 3 4

6 7 8 9

5