Skip to main content
  • In Stock
  • New
Brands
Show More
VA Rating
Watts
Outlets
Show More
Battery Run Time
Interface Port
Show More
Rackmountable
Battery Type
Availability
Condition
Useful Links
Customer Ratings
Sort By:
View:
CyberPower OL2K2RTHD Smart App Online UPS Systems, 2200VA/1800W, 100 - 125 VAC, NEMA 5-20P, 2U, Rack / Tower, Sine Wave, 7 Outlets, LCD, Power Panel
Quick View
CyberPower OL2K2RTHD Smart App Online UPS Systems, 2200VA/1800W, 100 - 125 VAC, NEMA 5-20P, 2U, Rack / Tower, Sine Wave, 7 Outlets, LCD, Power Panel
  • Outlets: 7
  • Battery Run Time: 10.3 minutes / 3.1 minutes Runtime (half/full)
  • Output Frequency: 50/60 Hz +/- 0.25Hz (auto-sensing or configurable)
  • Battery Recharge Time: 4 Hours (0% to 90% charged)
  • Model #: OL2K2RTHD
EATON 5S1500G 1500 VA 900 Watts 8 Outlets UPS
Quick View
EATON 5S1500G 1500 VA 900 Watts 8 Outlets UPS
  • Outlets: 8
  • Input Voltage Range: 175 V AC to 275 V AC 230 V AC Nominal
  • Input Frequency: 50/60 Hz
  • Input Connection: (1) IEC-320-C14
  • Model #: 5S1500G
Tripp Lite SmartPro SMX1500LCD 1500VA Tower/Rack Mountable Digital UPS
Quick View
Tripp Lite SmartPro SMX1500LCD 1500VA Tower/Rack Mountable Digital UPS
  • Outlets: 8
  • Battery Run Time: Full Load Runtime: 4.5 min. (900w) Half Load Runtime: 12 min. (450w)
  • Output Frequency: 50 / 60 Hz
  • Battery Recharge Time: Less than 4.5 hours from 10% to 90%
  • Model #: SMX1500LCD
  •  
  • S$897.00 
  • S$193.87 Shipping
CyberPower OL1KRM UPS - Rack-Mountable - Online, Double Conversion - 100, 110, 115, 120, 125 V - 800Watt - 1000VA - 8 - NEMA 5-15R
Quick View
CyberPower OL1KRM UPS - Rack-Mountable - Online, Double Conversion - 100, 110, 115, 120, 125 V - 800Watt - 1000VA - 8 - NEMA 5-15R
  • Outlets: 8
  • Battery Run Time: 4 min Full Load / 11.5 min Half Load
  • Battery Recharge Time: 4 Hours (0% to 90% charged)
  • Brand: CyberPower
  • Model #: OL1KRM
CyberPower EC750GTAA TAA Compliant UPS System - 750VA/450W, 120 VAC, NEMA 5-15P, Compact, 12 Outlets, PowerPanel® Personal
Quick View
CyberPower EC750GTAA TAA Compliant UPS System - 750VA/450W, 120 VAC, NEMA 5-15P, Compact, 12 Outlets, PowerPanel® Personal
  • Outlets: 12 x NEMA 5-15R NEMA 5-15P USB
  • Battery Recharge Time: 8 hours
  • Input Voltage Range: 120 VAC
  • Input Frequency: 47 - 63 Hz
  • Model #: EC750GTAA
Tripp Lite Smart 750VA Sine Wave UPS Back Up, Line-Interactive 120V 600W, 1U Rackmount, Network Management Card Options, USB, DB9 Serial (SMART750RM1U)
Quick View
Tripp Lite Smart 750VA Sine Wave UPS Back Up, Line-Interactive 120V 600W, 1U Rackmount, Network Management Card Options, USB, DB9 Serial (SMART750RM1U)
  • Outlets: 6
  • Battery Run Time: Full load runtime: 4.9 minutes (600 Watts) Half load runtime: 13.2 minutes (300 Watts)
  • Output Frequency: 60 Hz
  • Battery Recharge Time: Less than 4 hours from 10% to 90% (typical, full load discharge)
  • Model #: SMART750RM1U
CyberPower PFC Sinewave CP700PFCRM1U 700VA Rack-mountable UPS - 1U Rack-mountable - AVR - 8 Hour Recharge - 1.50 Minute Stand-by - 120 V AC Input - 120 V AC Output - Sine Wave - Serial Port - USB
Quick View
CyberPower PFC Sinewave CP700PFCRM1U 700VA Rack-mountable UPS - 1U Rack-mountable - AVR - 8 Hour Recharge - 1.50 Minute Stand-by - 120 V AC Input - 120 V AC Output - Sine Wave - Serial Port - USB
  • Outlets: 6
  • Battery Run Time: Runtime at Full Load: 1.5 min Runtime at Half Load: 10.5 min
  • Battery Recharge Time: 8 Hours
  • Series: PFC Sinewave UPS Series
  • Model #: CP700PFCRM1U
CyberPower OL1K5RM UPS 1500VA/1200W 5-15P 2U Rackmount, Online, Double Conversion - 100, 110, 115, 120, 125 V - 1200Watt - 1500VA - 8 - NEMA 5-15R
Quick View
CyberPower OL1K5RM UPS 1500VA/1200W 5-15P 2U Rackmount, Online, Double Conversion - 100, 110, 115, 120, 125 V - 1200Watt - 1500VA - 8 - NEMA 5-15R
  • Outlets: 8
  • Battery Run Time: 4.7 min Full Load / 13.5 min Half Load
  • Battery Recharge Time: 4 Hours (0% to 90% charged)
  • Brand: CyberPower
  • Model #: OL1K5RM
CyberPower OL750RM UPS - Rack-Mountable - Online, Double Conversion - 100, 110, 115, 120, 125 V - 600Watt - 750VA - 8 - NEMA 5-15R
Quick View
CyberPower OL750RM UPS - Rack-Mountable - Online, Double Conversion - 100, 110, 115, 120, 125 V - 600Watt - 750VA - 8 - NEMA 5-15R
  • Outlets: 7
  • Battery Run Time: 6.5 min Full Load / 17.5 min Half Load
  • Battery Recharge Time: 4 Hours (0% to 90% charged)
  • Brand: CyberPower
  • Model #: OL750RM
CyberPower PR750RT2UC Smart App Sinewave UPS Systems - 750VA/750W, 120 VAC, NEMA 5-15P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
Quick View
CyberPower PR750RT2UC Smart App Sinewave UPS Systems - 750VA/750W, 120 VAC, NEMA 5-15P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
  • Outlets: 8
  • Battery Run Time: Runtime at Full Load: 7.5 min Runtime at Half Load: 19 min
  • Battery Recharge Time: 3 Hours (0% to 90% charged)
  • Series: Smart App Sinewave
  • Model #: PR750RT2UC
CyberPower PR1000RT2UC Smart App Sinewave UPS Systems - 1000VA/1000W, 120 VAC, NEMA 5-15P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
Quick View
CyberPower PR1000RT2UC Smart App Sinewave UPS Systems - 1000VA/1000W, 120 VAC, NEMA 5-15P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
  • Outlets: 8
  • Battery Run Time: Full Load 7 min Half Load 19.5 min
  • Output Frequency: 50/60 Hz +/- 1%
  • Battery Recharge Time: 3 Hours (0% to 90% charged)
  • Model #: PR1000RT2UC
  •  
  • S$1,215.38 
  • S$255.52 Shipping
Tripp Lite SMART1000RM1U Series SmartPro 120V 1kVA 800W Line-Interactive Sine Wave UPS, Network Card Option, USB, DB9, 6 Outlets,1U Rack/Vertical - 1U Rack-mountable -4.50 Hour Recharge- 4 Min Stan by
Quick View
Tripp Lite SMART1000RM1U Series SmartPro 120V 1kVA 800W Line-Interactive Sine Wave UPS, Network Card Option, USB, DB9, 6 Outlets,1U Rack/Vertical - 1U Rack-mountable -4.50 Hour Recharge- 4 Min Stan by
  • Outlets: 6
  • Battery Run Time: Full Load: 4 minutes (800 Watts) Half Load: 14 minutes (400 Watts)
  • Output Frequency: 60 Hz
  • Battery Recharge Time: Less than 4 hour(s) from 10% to 90% (typical, full load discharge)
  • Model #: SMART1000RM1U
Eaton Tripp Lite Series SmartPro 120V 1kVA 800W Line-Interactive Sine Wave UPS, 1U Rack/Vertical, WEBCARDLX Network Interface, USB, DB9, 6 Outlets - 1000 VA/800 W - 120 V AC - 4 Minute Stand-by Time -
Quick View
Eaton Tripp Lite Series SmartPro 120V 1kVA 800W Line-Interactive Sine Wave UPS, 1U Rack/Vertical, WEBCARDLX Network Interface, USB, DB9, 6 Outlets - 1000 VA/800 W - 120 V AC - 4 Minute Stand-by Time -
  • Outlets: 6
  • Battery Run Time: Full Load Runtime (minute): 4 minutes (800 Watts) Half Load Runtime (minute): 14 minutes (400 Watts)
  • Input Voltage Range: 120V AC
  • Input Connection: NEMA 5-15P
  • Model #: SMART1000RM1UN
Tripp Lite series SmartOnline 750VA 675W 120V Double-Conversion Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower (SU750RTXLCD2U)
Quick View
Tripp Lite series SmartOnline 750VA 675W 120V Double-Conversion Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower (SU750RTXLCD2U)
  • Outlets: 8
  • Battery Run Time: Full load runtime: 7.9 min. (675W) Half load runtime: 20.9 min. (338W)
  • Battery Recharge Time: 3 hours recharge to 90%
  • Brand: TRIPP LITE
  • Model #: SU750RTXLCD2U
Tripp Lite SU1000RTXLCD2U Series SmartOnline 1000VA 900W 120V Double-Conversion Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower - 2U Rack/Tower
Quick View
Tripp Lite SU1000RTXLCD2U Series SmartOnline 1000VA 900W 120V Double-Conversion Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower - 2U Rack/Tower
  • Outlets: 8
  • Battery Run Time: Full load runtime: 6.3 min (900 Watts) Half load runtime: 18.2 min (450 Watts)
  • Battery Recharge Time: Less than 3 hour(s) recharge to 90%
  • Brand: TRIPP LITE
  • Model #: SU1000RTXLCD2U
Tripp Lite SMART1500 Smart Pro 1500 VA 980 Watts Tower 6 Outlets Line Interactive UPS
Quick View
Tripp Lite SMART1500 Smart Pro 1500 VA 980 Watts Tower 6 Outlets Line Interactive UPS
  • Outlets: 6
  • Battery Run Time: Full load runtime 7 minutes (1500 VA) Half load runtime 20 minutes (750 VA)
  • Battery Recharge Time: 2-4 hours to 90%
  • Output Voltage: LINE MODE: Sine wave line voltage 120V (-18% / +8%) BATTERY MODE: PWM sine wave output 115V +/-5%
  • Model #: SMART1500
CyberPower AVR CP1500AVRT UPS - 1500VA/900W, 120 VAC, NEMA 5-15P, Mini-Tower, 10 Outlets, PowerPanel Personal
Quick View
CyberPower AVR CP1500AVRT UPS - 1500VA/900W, 120 VAC, NEMA 5-15P, Mini-Tower, 10 Outlets, PowerPanel Personal
  • Outlets: 8
  • Battery Run Time: Runtime at Half Load: 11 Minutes Runtime at Full Load: 3 Minutes
  • Output Frequency: 60 Hz +/- 1%
  • Battery Recharge Time: 8 Hour(s)
  • Model #: CP1500AVRT
Tripp Lite 600VA 300W 120V Standby Desktop UPS 4 Outlet BC600R
Quick View
Tripp Lite 600VA 300W 120V Standby Desktop UPS 4 Outlet BC600R
  • Outlets: 4
  • Battery Run Time: > 120 minutes
  • Output Frequency: not_applicable
  • Battery Recharge Time: <8 Hours
  • Model #: BC600R
Tripp Lite OMNIVS1000 OMNI VS 1000 VA 500 Watts 8 Outlets Line Interactive Tower UPS
Quick View
Tripp Lite OMNIVS1000 OMNI VS 1000 VA 500 Watts 8 Outlets Line Interactive Tower UPS
  • Outlets: 8 (6 UPS/surge & 2 surge-only)
  • Battery Run Time: 18 minutes
  • Input Voltage Range: 120V
  • Input Frequency: 60 Hz +/- 3 Hz
  • Model #: Omnivs1000
Tripp Lite Smartpro 230v 1500va 1350w Line-interactive Sine Wave Ups 2u Extended Run Web
Quick View
Tripp Lite Smartpro 230v 1500va 1350w Line-interactive Sine Wave Ups 2u Extended Run Web
  • Battery Type: Valve Regulated Lead Acid (VRLA)
  • VA: 1500 VA / Expandable
  • Model #: SMX1500XLRT2UN
Tripp Lite OMNIVS800 OMNI VS 800 VA 475 Watts 8 Outlets Line Interactive Tower UPS
Quick View
Tripp Lite OMNIVS800 OMNI VS 800 VA 475 Watts 8 Outlets Line Interactive Tower UPS
  • Outlets: 7 (6 UPS/surge & 1 surge-only)
  • Battery Run Time: Full load: 6 minutes Half load: 19 minutes
  • Input Voltage Range: 120 V
  • Input Frequency: 60 Hz +/- 3 Hz
  • Model #: OmniVS800
  •  
  • S$341.25 
  • S$109.05 Shipping
Tripp Lite series SmartPro 1500VA 1350W 120V Line-Interactive Sine Wave UPS - 8 Outlets, Network Card Option, LCD, USB, DB9, 2U Rack/Tower - SMART1500RM2U
Quick View
Tripp Lite series SmartPro 1500VA 1350W 120V Line-Interactive Sine Wave UPS - 8 Outlets, Network Card Option, LCD, USB, DB9, 2U Rack/Tower - SMART1500RM2U
  • Outlets: 8
  • Battery Run Time: Full load runtime: 4.5 minutes Half load runtime: 13 minutes
  • Battery Recharge Time: Less than 4.5 hours from 10% to 90%
  • Series: SmartPro
  • Model #: SMART1500RM2U
Tripp Lite SMART1500RM2UN SmartOnline 120V 1.5KVA 1350 Watts Double-Conversion UPS, 2U Rack / Tower, Extended Run, Pre-Installed WEBCARDLX Network Interface, USB, DB9 Serial
Quick View
Tripp Lite SMART1500RM2UN SmartOnline 120V 1.5KVA 1350 Watts Double-Conversion UPS, 2U Rack / Tower, Extended Run, Pre-Installed WEBCARDLX Network Interface, USB, DB9 Serial
  • Outlets: 8
  • Battery Run Time: 0.08 Hour 0.22 Hour
  • Output Frequency: 60 Hz
  • Battery Recharge Time: Full Load Runtime: 4.5 minutes (1350 Watts) Half Load Runtime: 13 minutes (675 Watts)
  • Model #: SMART1500RM2UN
Tripp Lite Smart Online 1.5kVA UPS Back Up, Double-Conversion, 120V 1.35kW 2U Rack / Tower, Extended Run, Network Card Slot, LCD, USB, DB9 (SU1500RTXLCD2U)
Quick View
Tripp Lite Smart Online 1.5kVA UPS Back Up, Double-Conversion, 120V 1.35kW 2U Rack / Tower, Extended Run, Network Card Slot, LCD, USB, DB9 (SU1500RTXLCD2U)
  • Outlets: 6
  • Battery Run Time: Full Load Runtime: 4.2 minutes (1350 Watts) Half Load Runtime: 14 minutes (675 Watts)
  • Output Frequency: 50 / 60 Hz; Supports 50 to 60 Hz and 60 to 50 Hz conversion
  • Battery Recharge Time: Less than 3 hours recharge to 90%; Add 6 hours per BP48V27-2US (typical, full load discharge)
  • Model #: SU1500RTXLCD2U
Tripp Lite 850 VA UPS Battery Backup, LCD, 425 Watts Eco Green, USB, RJ11, 12 Outlets (ECO850LCD)
Quick View
Tripp Lite 850 VA UPS Battery Backup, LCD, 425 Watts Eco Green, USB, RJ11, 12 Outlets (ECO850LCD)
  • Outlets: 12
  • Battery Run Time: Half load (minutes): 13.4 (210 Watts)
  • Output Frequency: 60 Hz
  • Series: ECO
  • Model #: ECO850LCD
Tripp Lite 1000 VA 600 Watts ECO-Friendly UPS Battery Backup, AVR Protection, LCD Display, Line-Interactive, 8 Outlets and 2 USB Charging Ports, 120V, Tel Protection (ECO1000LCD)
Quick View
Tripp Lite 1000 VA 600 Watts ECO-Friendly UPS Battery Backup, AVR Protection, LCD Display, Line-Interactive, 8 Outlets and 2 USB Charging Ports, 120V, Tel Protection (ECO1000LCD)
  • Outlets: 8
  • Battery Run Time: At Half Load: 7 Minutes At Full Load: 2 Minutes
  • Output Frequency: 50 / 60 Hz
  • Battery Recharge Time: 7 Hour(s)
  • Model #: ECO1000LCD
CyberPower BP24VL2U01 Extended Battery Modules - 24 VDC / 50 A - 12 V / 9 Ah Sealed Lead-Acid Battery
Quick View
CyberPower BP24VL2U01 Extended Battery Modules - 24 VDC / 50 A - 12 V / 9 Ah Sealed Lead-Acid Battery
  • Battery Recharge Time: 4 Hours (0% to 90% charged)
  • Brand: CyberPower
  • International Version: 120V
  • Input Voltage Range: 100 - 125V
  • Model #: BP24VL2U01
TRIPP LITE SMART700HG 700 VA 450 Watts UPS System
Quick View
TRIPP LITE SMART700HG 700 VA 450 Watts UPS System
  • Outlets: 4
  • Battery Run Time: Full load runtime 18 minutes (700VA) Half load runtime 42 minutes (350VA)
  • Battery Recharge Time: 2-4 hours to 90%
  • Series: SmartPro
  • Model #: SMART700HG
  •  
  • S$1,247.08 
  • S$95.07 Shipping
Tripp Lite SU1500XLCD  Series SmartOnline 1500VA 1350W 120V Double-Conversion UPS - 6 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, Tower (SU1500XLCD)
Quick View
Tripp Lite SU1500XLCD Series SmartOnline 1500VA 1350W 120V Double-Conversion UPS - 6 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, Tower (SU1500XLCD)
  • Outlets: 6
  • Battery Run Time: Full load runtime (minutes): 5.9 min. (1350W) Half load runtime (minutes): 16.5 minutes (675 Watts)
  • Output Frequency: 50 / 60 Hz
  • Brand: TRIPP LITE
  • Model #: SU1500XLCD
CyberPower RB1260X12 UPS Battery Pack
Quick View
Tripp Lite SM1500RMXL2UTAA Smart Pro 1500VA 1350 Watts 8 Outlets 2U Rackmount Line Interactive UPS TAA / GSA Compliant
Quick View
Tripp Lite SM1500RMXL2UTAA Smart Pro 1500VA 1350 Watts 8 Outlets 2U Rackmount Line Interactive UPS TAA / GSA Compliant
  • Outlets: 8
  • Battery Run Time: Full load runtime (minutes) 4.9 min. Half load runtime (minutes) 14 min.
  • Output Frequency: 60Hz
  • Battery Recharge Time: Less than 4.5 hours from 10% to 90%
  • Model #: SM1500RMXL2UTAA
Eaton 5SC1500 5SC UPS 1500 VA 1080 Watt 120V Line-Interactive Battery Backup Tower USB - Tower - 5 Minute Stand-by - 110 V AC Input - 8 x NEMA 5-15R -
Quick View
Eaton 5SC1500 5SC UPS 1500 VA 1080 Watt 120V Line-Interactive Battery Backup Tower USB - Tower - 5 Minute Stand-by - 110 V AC Input - 8 x NEMA 5-15R -
  • Outlets: 8
  • Battery Run Time: Run Time at Half Load: 13 mins Run Time at Full Load: 5 mins
  • International Version: 120V
  • Input Voltage Range: 96 - 144 Vac
  • Model #: 5SC1500
Tripp Lite SM1000RM2UTAA Smart Pro 1000VA 700 Watts 6 Outlets 2U Rackmount Line Interactive UPS TAA / GSA Compliant
Quick View
Tripp Lite SM1000RM2UTAA Smart Pro 1000VA 700 Watts 6 Outlets 2U Rackmount Line Interactive UPS TAA / GSA Compliant
  • Outlets: 6
  • Battery Run Time: Full load runtime (minutes) 7 min. (700w) Half load runtime (minutes) 17 min. (350w)
  • Battery Recharge Time: Less than 4 hours from 10% to 90%
  • Output Voltage: 120v
  • Model #: SM1000RM2UTAA
Tripp Lite series SmartPro 1000VA 1000W 120V Line-Interactive Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower (SMART1000RMXL2U)
Quick View
Tripp Lite series SmartPro 1000VA 1000W 120V Line-Interactive Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower (SMART1000RMXL2U)
  • Outlets: 8
  • Battery Run Time: Full Load Runtime (min.): 6.3 min. (900w) Half Load Runtime (min.): 18 min. (450w)
  • Output Frequency: 60 Hz
  • Battery Recharge Time: Less than 4.5 hours from 10 to 90% (typical, full load discharge)
  • Model #: SMART1000RMXL2U

An uninterruptible power supply, or UPS system, ensures that electricity continuously reaches crucial equipment, powering it at all times. Even if other devices lose power during outages or brownouts, servers and computers continue to run. Users then have time to safely shut down their machinery to prevent the loss of data. A UPS system also is essential for keeping important systems such as security cameras and health care equipment running for as long as possible.

A UPS System Protects Against Surges

The outlets on a UPS system provide similar defenses to those offered by surge protectors, absorbing the excess energy of surges and spikes. Receiving a jolt of too much power may damage sensitive computer components such as hard drives. A desktop UPS or a larger model likely has multiple devices plugged in and keeps them safe from such events that are especially prevalent after outages, just as power is restored. The initial spike may be detrimental to devices plugged into a standard outlet, so a surge-protected outlet is helpful. Some UPS models feature surge-only outlets, which supply power and protection without draining the UPS battery.

Saving Energy with a UPS System

Many UPS system types have a "green" or "eco" mode that increases energy efficiency and reduces utility costs. Energy-focused systems offer extra savings measures such as switching off during non-business hours or detecting and bypassing unused equipment. A UPS system usually also has a single switch or circuit breaker similar to the kind many power strips have. Operators can power down multiple devices with just the press of a button, making reboots and power-cycles quicker, easier and safer.

Protection for Multiple Types of Equipment

A single-user UPS system is small enough to fit beneath a desk while still supplying protection for a computer, monitor and printer. Specialized UPS models meet the unique needs of environments such as hospitals and marine vessels. When installing in a server room alongside equipment such as servers and a power distribution unit, consider a rack-mountable UPS to economize on space. A UPS typically has not only electrical outlets but also network, USB and serial ports for protecting against noise as well as surges. Some devices use transformer block plugs, requiring outlets spaced farther apart.

Suitable for Small and Large Businesses

Businesses of all sizes use servers and switches, for which a pure sinewave UPS is an optimal solution. These closely simulate the type of power you expect from standard utilities for consistent, reliable performance. There are also single-phase UPS systems for smaller set-ups and three-phase units for powering multiple devices with varying power requirements. Line-interactive units manage voltage changes without utilizing battery power unless necessary, so it has a strong charge and is ready to handle an outage. An online UPS system, on the other hand, converts incoming power using the battery to maintain consistency. This creates a layer of insulation between the equipment and external line issues.