2 Introduction
1.0 INTRODUCTION
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Table 1 Option Requirements
Option Mounting Slots
Required Logic
Connection
Input Contact
Isolator
Option Power Supply
Option Required
Power Supply* Yes (if installed
separately) —— —
Remote Status Panel No — — Yes
Programmable Relay
(2 boards max.) Yes (one for each
board installed) 1 connection — —
Input Contact Isolator
(w/ Power Supply)* Yes 1 connection — Included on board
DC Ground Fault Alarm* Yes — 1 channel —
SNMP (Ethernet or
Token Ring) Yes 1 connection — —
Internal Modem Yes 1 connection — —
* These options require complete shutdown of the UPS system if installing or already installed. (See 1.1- Opening the
UPStation S3.) All other options can be installed while the UPS is on bypass.
Notes:
1. You must install a mounting rack if an option you intend to install requires a mounting slot. The mounting rack has five
mounting slots.
2. If a DC Ground Fault Detector is installed, an Input Contact Isolator is also required. The Input Contact Isolator has eight
input channels and a power supply.
3. The SNMP (Ethernet or Token Ring) and Internal Modem options each use one logic connection. Two logic connections
are available, therefore, some option combinations are not possible.
4. Only one logic connection is required for any combination of one or two Programmable Relay boards and/or an Input
Contact Isolator.
5. Up to three Remote Status Panels can be connected to an UPStation S3. One Power Supply and a Programmable Relay
option are required.
6. Options requiring a Power Supply option can use the power supply mounted on the Input Contact Isolator option if one is
installed.