User's Manual
Relay card Page 1 Release: May 2008
Settings of Jumper on AS/400 ( Ver01688-04 )
1. Feature of the AS/400 card (Ver01688-04)
AS/400 (Ver01688-04) card provides shutdown and monitoring of UPS status
through a relay dry-contact signal as previous version, to meet different
application requirement, the AS/400 (Ver01688-04) card is capable of selection
the status of the dry-contact signal (active close or active open) by jumper
setting.
This document describes the logical connection implemented on the card and
the definition of the jumper setting.
2. Internal Logical connection
Fig. 1 Pin definition and internal logical connection
Please refer to Fig.1 on the card. There are 5 relays action according to the UPS status
under control of the controller on the card, and Normal-Close terminal and
Normal-Open terminal of each relay connect to pin 1 and pin 3 of a 3-pin connector
respectively, the pin 2 of the 3-pin connector connect with the signal pin of the DB9
interface connector. The 2-pin jumper can be plug to the 3pin connector to either short
circuit Pin1 & Pin2 or short circuit Pin3 & Pin2.