Technical data

8. INTERFACES & CONNECTIVITY
MKA4CAT0UKAG4MG/Rev. 1-01/2009
08
Series A shall be equipped with DB9 RS232 signals (RxD and TxD) and 5 On Off) devices. The terminals shall be
and USB communication ports and a output signals. They shall be available as located on the rear side of the unit (see
slot for inserting advanced opto-coupled, open collector signals.
section 7 for more details).
communication cards. These interfaces Pin distribution shall be as indicated in
can be used for: figure “DB9 pin distribution”. The figure “ROO/RPO” shows the pin
distribution. The unit comes out of the
• Direct communication between UPS 8.2 USB port factory with a wire which
connects pins
and workstation/server 1 and 2. For normal UPS operation,
• Integration of the UPS as client into Series A shall be equipped with a USB these pins must be kept connected.
a net work with centralized communication port for protocol-data In order to use the Remote P ower Off
monitoring via a
ManageUPS SNMP transfer. This port shall be classified as (RPO) functionality, a normally closed
adapter in the interface slot HID (Human Interface Device). volt-free contact has to be inserted
• Transfer of operational states to between pins 1 and 2. When this
external alarm systems via volt-free 8.3 Communication slot contact is
open, the UPS will
contacts (with interface volt-free disconnect all loads and shut down. To
contact card, available as accessory, The Series A communication slot may return to normal operation, it is
in the interface slot). be fitted with various interface cards. necessary to close the contact and
Interface cards
available as accessories rest art the unit.
The necessary communication shall come with detailed descriptions
software packages and interface cables enclosed. Available interface cards In order to use the Remote On Off
are either bundled with the UPS or include SNMP adapters (ManageUPS (ROO) functionality, a normally closed
available as options.
Please refer to the NET) for connecting the UPS to a TCP/IP volt-free contact has to be inserted
website network or the volt-free contacts between pins 2 and 3, while keeping
http://connectivity.chloridepower.com adapter. Please see section 11 for more the pins 1 and 2 interconnected. When
for more details. details. Users
are advised to follow the contact between 2 and 3 is open,
carefully the installation guidel ines the UPS will disconnect all loads. After
8.1 DB9 port (RS232 communication attached to the accessories. that, if the contact is closed the unit will
and basic signals) restart and restore power to the
8.4 RPO/ROO connected loads.
Series A shall be equipped with a 9-pole
SUB-D connector (DB9 port), Series A shall be equipped with three
electrically isolated fr om all other terminals for the connection of RPO
circuits. This connector shall contain the (Remote P ower Off) and ROO (Remote
MASTERGUARD Series A
UPS from 700 VA to 3000 VA
ROO
RPO
3
2
1
3
2
1
DB9 pin distribution
2
3
4
7
8
1
6
9
5
TXD
RXD
BYPASS ACTIVE
SUM ALARM
BATT LOW
AC FAIL
AC FAIL
SGN