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Optima 820 Series

all outlets. The internal outlet control relays, and the remote switching/EPO system are able to prevent power from 

reaching the outlets. However, with a factory default setup, power should now be applied to all outlets.

If the PDU has the 

UCP Control Mode

 toggle switch, and if there is not an EPO panel connected to the PDU, leave the 

switch in the up 

EPO Only 

position. 

If there is a remote EPO panel connected to the PDU, such as Marway’s Commander UCP 5000, flip the switch to the 

down 

Normal

 position. This system is discussed in detail farther down, as well as in the 

Optima RCM User Guide : 

Software and Basic Controls Reference

 located on our website.

The PDU can continue to be used in this way as long as needed. The software can be configured later, or can be left 

unconfigured if it will not be used.

3.1.2 

Startup to Configure the Software

The document 

Optima RCM User Guide : Software and Basic Controls Reference

 located on our website at

http://www.

marway.com/docs

is the complete resource for the process of configuring the network settings, and other software 

features of the PDU. Obtain that document, and review the Getting Started chapter.
In effect, prepare the Serial and Ethernet connections to the PDU as described in the 

Software Guide

, then use the 

startup process described above in 

“3.1.1 Startup Without Configuring the Software” on page 7

.

3.2  Ethernet and Serial Control

The document 

Optima RCM User Guide : Software and Basic Controls Reference

 located on our website at

http://www.

marway.com/docs

is the complete resource for how to setup, configure, and operate the Optima RCM software over serial, 

Telnet, SSH, HTTP, SNMP, and RESTful API.
The Ethernet connection supports 10/100 Base-T, IPv4 DHCP and manual addressing. It is recommended to use a 

manual address, or DHCP in conjunction with MAC ID reservations so that the IP address stays consistent.
The Serial interface is RS-232 implemented in an RJ45 connector. A protocol conversion cable with a USB connection at 

one end and an RJ45 at the other end is ideal for connecting a computer to the Serial port. Marway offers these cables as 

part number 311118-000. They can also be found on many online cable retailer web sites.

3.3  Breaker Controls

3.3.1  Main Breaker

The 

Main Breaker

 enables/disables power to all PDU outlets. When 

Main Breaker

 is switched on, the 

Main Power

 

indicator labeled will be lit. If the PDU is equipped with the 

UCP Control Mode

 mode switch, the 

Off

 position will 

disconnect power from the outlets even if the main breaker is on.

3.3.2  Branches

All models use a 2-pole main breaker. However, that breaker is used a couple of different ways across the product line. 

The following descriptions should help to explain the ratings table above.

12/15 A Rated Units (Group 1)

All models with a 12/15 A inlet rating have both line and neutral connected to the breaker. All outlets are on a single 

branch. Therefore, the total continuous load for the whole PDU is 12 Amps. With 5-15R outlets, any one outlet can carry 

Summary of Contents for MPD 820001

Page 1: ...Optima 820 Series Power Distribution Units Operating Guide and Reference Apr 2021 P N 501053 000 Rev A ...

Page 2: ...rtup 7 3 1 1 Startup Without Configuring the Software 7 3 1 2 Startup to Configure the Software 8 3 2 Ethernet and Serial Control 8 3 3 Breaker Controls 8 3 3 1 Main Breaker 8 3 3 2 Branches 8 3 3 3 Controls Breaker 10 3 4 Remote Switching EPO Option 10 3 4 1 Remote Mode Switch 10 3 4 2 Remote Bus Connector 11 3 5 Digital Power Meter Option 12 3 6 EMI Filter Option 12 4 Reference 13 5 Specificatio...

Page 3: ...gnal cabling Do not open this product as it contains no user serviceable parts inside All service concerns should be directed to Marway Power Solutions If this product is used in a manner which does not comply with this instruction manual the protection provided by the equipment may be impaired All work on connections must be carried out under zero voltage output disconnect and may only be perform...

Page 4: ...ontrols Reference located on our website at http www marway com docs 1 4 Product Models Ratings Models are primarily organized by what type of power inlet they have Then by the outlet configurations All models have one unswitched utility outlet on the front panel and eight software switched outlets on the rear panel Marway s Standard Products Catalog includes more detailed tables with exact model ...

Page 5: ...for Outlets 5 8 24 A unit total 30 A max Group 8 MPD 820008 and MPD 820108 NEMA L6 30P 200 240 Vac 50 60 Hz 24 A continuous 30 A maximum IEC C13 10 A per outlet 10 A max 12 A total for Outlets 1 4 12 A total for Outlets 5 8 24 A unit total 30 A max A complete part number follows the format of 820NNN RRR DDD where NNN is part of the base part number from the list of models RRR defines the RCM capab...

Page 6: ... be done later according to the startup procedures suitable to the end user s equipment and application 4 If applicable connect the cabling between the PDU and remote EPO control panel 5 PDU Main Breaker Ensure the Main Breaker on the front of the PDU is in the off position before connecting the PDU s inlet cable to the facility power source It is best to switch all breakers to the off position 6 ...

Page 7: ...Configuring the Software It is assumed the PDU is not plugged into the facility power source 1 Switch the breaker on the PDU control panel to the off position 2 If the unit is equipped with the UCP Control Mode switch whether there is a remote EPO panel connected to the unit or not toggle the switch to the up position labeled EPO Only The label has changed over the years but the up position always...

Page 8: ...ntrol The document Optima RCM User Guide Software and Basic Controls Reference located on our website at http www marway com docs is the complete resource for how to setup configure and operate the Optima RCM software over serial Telnet SSH HTTP SNMP and RESTful API The Ethernet connection supports 10 100 Base T IPv4 DHCP and manual addressing It is recommended to use a manual address or DHCP in c...

Page 9: ...tlets 5 8 Branch 2 Enable Disable Return J 8 J 10 J 1 Controls Breaker J 9 PRESS RESET Ethernet Serial Aux 1 Aux 2 Ethernet Serial Aux 1 Aux 2 Values Devices Menu Optima RCM Main Power OFF ON EPO Only Outlets Off Normal UCP Control Mode Branch 1 For Group 6 units with 5 15R outlets each breaker branch is rated for 12 15 A Any one outlet can carry a continuous load up to 12 Amps with no draw on oth...

Page 10: ...pective of having a remote control panel connected to the system When there is a remote panel connected to the PDU Normal down position is the normal operating mode Outlets 1 8 are subject to the remote panel On Off EPO controls and of course the internal software controlled relays Outlets Off center position causes an internal contactor to disengage power from outlets 1 8 Outlet 9 is not affected...

Page 11: ...o be operated by a single remote panel Enable Disable Return J 8 J 10 J 1 Enable Disable Return J 8 J 10 J 1 Enable Disable Return J 8 J 10 J 1 Enable Disable Return Enable Return Outlet Control Bus J1 J2 J4 J5 J3 Remote EPO Input Outlet Control Bus Aux 2 Marway Commander UCP 5000 Remote EPO 3 4 2 1 Remote Bus Connector Wiring The 3 pin connector uses two low voltage signals as follows Shorting th...

Page 12: ... 9 outlets plus the internal control system It will update approximately every 3 seconds The keypad can be used to navigate through power values for volts amps watts voltamps voltamps reactive power factor and Hertz For complete display and keypad details refer to the document Optima RCM User Guide Software and Basic Controls Reference located on our website at http www marway com docs Obtain that...

Page 13: ...cuit breaker for internal control circuitry 7 Ethernet RS 232 serial console and auxilary connections All are RJ 45 Auxilary connectors are for Marway Temperature Humidity sensors 8 Mounting brackets May be mounted in one of three locations to yield a flush recessed or rear facing position of the chassis relative to the rack s mounting flanges May also be removed for table top operation or adaptat...

Page 14: ...models are wired with both line and neutral passing through the circuit breaker 16 20 A models are wired with both line and neutral passing through the circuit breaker 24 30 A models in Groups 6 and 8 use a 15 A breaker with the main line branched to each pole of the breaker creating two 15 A sub circuits 24 30 A models in Group 7 use a 20 A breaker with the main line branched to each pole of the ...

Page 15: ...DC are trademarks of Marway Power Systems Inc All other trademarks are the property of their respective owners Global Support Contacts Web www marway com Email support marway com sales marway com Phone 800 462 7929 7am 5pm PST There may be updates to this documentation at http www marway com docs Marway Power Solutions 1721 S Grand Ave Santa Ana CA 92705 800 462 7929 marway marway com ...

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