Server Technology Products Rack Power Management & Distribution Units

Fail-Safe PTXL/PTXM-HF16

IP Power Tower XL with Redundancy for single-power servers

Dual-Input-Power-Distribution-Unit
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The Sentry Power Tower XL (PTXL) Fail-SafeTM provides fail-over redundancy to single or dual-power supply servers and network devices. Exclusive to the Power Tower XL Fail-Safe is its ability to carry loads on the A circuit, B circuit or both and to remotely manage the outlets.

Similar, but unlike a common automatic transfer switch, the Power Tower XL Fail-Safe unit is unique in that it contains two (2) in-feeds and two (2) banks of eight (8) outlets each, for a total of 16 outlets across the two circuits.

The Power Tower XL Fails Safe's "A" in-feed routinely powers just the A1-8 outlets, and the "B" in-feed routinely powers just the B1-8 outlets. However, if the "A" in-feed goes down, the "B" in-feed powers all 16 outlets and the same if the "B" in-feed goes down, The transfer occurs in fewer than 18 milliseconds, which is faster than the interruption rate of the attached equipment.

This new "Fail-Safe" method has several advantages compared to a standard ATS because it does not prohibit load balancing between the two supplied circuits. A standard ATS contains two-in-feeds, but runs all outlets from just one source, with the secondary source only being used once an outage occurs on the capacity. This results in less heat, less resistance, and consequently less of a voltage drop compared to the same load existing on just one source. Only when an outage occurs on one of the two sources will the entire load be applied to a single source.

Sentry  Cabinet PDU Specifications
Item # Available Input
Voltages
Rated Amperage Available Input Cord Outlets Dimensions
(L x W x D)
Fail Safe Power Tower XL
PTXL-HF16-1-02
PTXM-HF16-1-02*
100-120V
50/60Hz
20A IEC 60320/C20
Power Inlet
(16) NEMA 5-20R 19" x 3.5" x 10"
(483x89x254mm)
PTXL-HF16-1-05
PTXM-HF16-1-05*
100-120V
50/60Hz
30A NEMA L5-30P
Cord Set, 10 ft (3m)
(16) NEMA 5-20R 19" x 3.5" x 10"
(483x89x254mm)
PTXL-HF16-2-02
PTXM-HF16-2-02*
208V-240V
50/60Hz
20A IEC 60320/C20
Power Inlet
(16) IEC 60320/C13 19" x 3.5" x 10"
(483x89x254mm)
PTXL-HF16-2-06
PTXM-HF16-2-06*
208V-240V
50/60Hz
30A NEMA L6-30P
Cord Set, 10 ft (3m)
(16) IEC 60320/C13 19" x 3.5" x 10"
(483x89x254mm)
PTXL-HF16-2-00B
PTXM-HF16-2-00B*
230V
50/60Hz
32A (16) IEC 60309;
Cord Set, 10 ft (3m)
(16) IEC 60320/C13 19" x 3.5" x 10"
(483x89x254mm)
*Indicates Expansion Unit
Power Cord Options
> PTCORD-1 IEC 60320/C19 - NEMA L6-20P (20A Twist-Lock) 10’(3m)
> PTCORD-2 IEC 60320/C19 - Schuko 10’(3m)
> PTCORD-3 IEC 60320/C19 - IEC 60309 (BS4343, CEE17) 16/20A Blue (UK Commando) 10’(3m)
> PTCORD-4 IEC 60320/C19 - BS1363 13A (UK) 10’(3m)
> PTCORD-5 IEC 60320/C19 - 5-15P (15A Straight-Blade) 10’(3m)
> PTCORD-6 IEC 60320/C19 - 5-20P (20A Straight-Blade) 10’(3m)
> PTCORD-7 IEC 60320/C19 - L5-20P (20A Twist-Lock) 10’(3m)
Additional Features and Specifications

Standards
> cTUVus – UL 60950-1-2003
> CAN/CSA 22.2 No. 60950-1:2003
> TUVGS – EN 60950-1:2001
> FCC Class A, Part 15
> CE
> EMC-EN 55022 Class A, EN 55024

Communications
> 10/100 BaseT Ethernet
> HTTP/HTTPS
> SSLv3/TLSv1
> SNMPv2
> SSHv2
> Telnet
> LDAPv3/LDAPS
> TACACS+
> RS-232 (Serial)

Branch Circuit Protection
> Compliant to UL 60905-1

Accessories
> Temperature & Humidity Probe
    - EMTH-1-1 Temperature & Humidity Probe, 10 ft (3 m)
    - EMCU-1-1 add 2 additional Temperature & Humidity ports, 4 contact-closure monitoring ports and
      1 water sensor port
    - EMWS-1-1 Water Sensor

Remote Power Control

Individual or group outlet remote power control to cycle power and reboot any selected server(s) or other network device(s).  Use TCP/IP (HTTP, HTTPS, SSH, Telnet, SNMP) or RS-232 to communicate with each Sentry Cabinet PDU and rectify locked-up network devices. Assign outlets to a group for control of dual-power supply servers and other gear with a single command.  Create an unlimited number of groups with any combination of outlets associated to each group. Reduce Mean Time to Repair (MTTR) a failing server by controlling individual power outlet receptacles to reboot any selected server or other device.

HTTP/HTTPs Web Configuration & Control

Use the Sentry Web interface to configure each unit, including network settings, outlet naming & grouping, SNMP traps for environmental & power thresholds and firmware updates. Also use the Web interface to control individual or group outlets and monitor key values, including amperage load(s), temperature/humidity and other environmental conditions. SSL security provides a secure HTTPs connection.  Environmental monitoring is applicable only with the additional purchase of the EMTH-1-1 or EMCU-1-1.

SNMP Management & Event Notification

The Sentry family of products supports the Simple Network Management Protocol (SNMP). This allows network management systems to use SNMP requests to retrieve information and control power for the individual outlets. The Sentry includes an SNMP v1 agent supporting standard MIB I and MIB II objects. A private enterprise MIB extension (Sentry3 MIB) is also supported to provide remote power control. SNMP traps can be generated for various events, including Input Current Load Thresholds (min & max), Temperature Thresholds (min & max), Humidity Thresholds (min & max), water indication, closed contacts (cabinet doors open/close), as well as notification of any time an outlet status is changed (on/off).  SNMP traps for temperature and environmental conditions require additional purchase of the EMTH -1-1 or EMCU-1-1 accessory.

Add a Second Tower - The PTXM

Connect the Power Tower Expansion Module (PTXM) to the PTXL to control two power input circuits and 32 managed outlets (individual or groups) - our exclusive strategy for managing dual power-supply servers.

Horizontal 1U Rack Mount

A vertical enclosure that occupies Zero Vertical U of rack space in the equipment cabinet.

Secure Access - SSH or SSL Protection

Secure Shell (SSH), known as Secure Socket Shell, is a Unix-based command interface and protocol for securely getting access to a remote device.  Sentry supports SSHv2. Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message transmission on the Internet. SSL is an integral part of most Web browsers (clients) and Web servers.  Sentry supports SSLv3/TLSv1.

Optional Environment Monitoring

Add an Environmental Monitor Control Unit (item EMCU-1-1) to the PTXL to obtain real-time measurements of environmental conditions in the data center cabinet. EMCU-1-1 add-on requires no external power source and adds support for 2 Temperature & Humidity probes and monitoring for 4 external contact-closures and 1 water sensor.

Firmware Flash Upgradeable

Access new firmware updates via FTP for new firmware features and code releases. An update to the firmware does not affect the status of the power outlets.
Click here for the latest Firmware update.

LDAP/LDAPS

The sentry family of products supports Lightweight Directory Access Protocol (LDAP) Version 3 including LDAPS (LDAP over TSL/SSL). This support enable authentication with LDAP servers; user accounts do not need to be individually created locally on each Sentry device.
This allows administrators to pre-define and configure (in each Sentry product, and in the LDAP server) a set of necessary LDAP groups, and access rights for each. User's access rights can then be assigned or revoked simply by making the user a member of one or more pre-defined Sentry LDAP groups. User account can be added, deleted, or changed in the LDAP server without any changes on individual Sentry products.
Sentry LDAP support has been tested in the following environments:
  - Microsoft Active Directory (MSAD)
  - Novell eDirectory (eDir)
  - Open LDAP

Load Sense

Individual input current monitoring ("Load Sense") provides real-time power measurement of the load in amps on each power inlet, accessible via firmware interface.

RS-232 Control

Serial control via any device with a bi-directional serial port, including a PC, laptop, KVM switch, Console Port Access switch, or terminal server.

20 Amp Power Input Support

20-amp power input support - IEC320/C20 power inlet receptacles supports any power cord with IEC320/C19 power connector (PTCORD-XX).

24-Character Outlet Receptacle Names

Use the firmware interface (Web or serial) to edit individual outlet receptacles. Identify each receptacle with the device's serial number, IP address, asset allocation #, department or any other method to individually name outlets.

DESIGN DRAWINGS
Design Drawing #1 - PTXL[M]-HD[F]16-1[2]-x.412-0128-2-1

Design Drawing #2 - PTXL[M]-HD[F]16-1[2]-x.412-0128-2-2

At Server Technology, we pride ourselves on providing a solution to your data center power management needs. But finding a product solution is just the first step, we include complimentary comprehensive product support from the day you purchase your Sentry products.

Every Server Technology product includes a standard two-year warranty. Extended Power Service support is also available for purchase; please contact your sales consultant for information and ordering.

Click here for further information on product support.

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  • Switched PDU

    Switched Rack PDU controls network access to remote sites and data center equipment with reboot commands to servers and network equipment.

  • Smart PDU

    View power, temperature and humidity levels via Web browser, and receive SNMP-based traps or email alerts when conditions exceed defined thresholds.

  • Metered PDU

    Meterd rack PDU for local Input Current Monitoring of the power loads on each circuit.

  • Basic PDU

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  • -48 VDC Power Management

    Power for telecom, datacom and network applications in -48 VDC.

  • Fail-Safe Power Redundancy

    Fail-Safe transfer switch supplies single-power equipment with dual, redundant power sources.

  • Console Port Access & Remote Power Management

    Console Port Access equipment and Remote Power reboot commands to connected servers and network equipment.

  • Sentry Power Manager - SPM

    Manage all Network Cabinet power distribution units (PDUS) from one central location.

  • Accessories

    Product Accessories including Environmental Monitoring as well as Power Cords and Cables.

  • View all documents
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