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Rectangular beige metal box with yellow SPHD ports on front and back, front buttons and USB port

ATEN

ATEN CS1708A 8 Port PS/2 USB KVM Switch

SKU CH-D6MQ-HNFY1 MPN CS1708A

Controls up to eight computers from one console with 2048 x 1536 resolution at 60 Hz and daisy-chains 31 units for 256-system management

  • PC connectionsKeyboard, Mouse, and Monitor 8 x SPHD-15 Female (Yellow)
  • Console portsKeyboard, Mouse, and Monitor 1 x SPHD-18 Male (Yellow) Flash
  • Supported video resolution2048 × 1536 @ 60 Hz
  • Switching methodPush Buttons/Hot Keys/OSD
  • Power requirementsVoltage 5 W / 5.3 V Amps 1amp
  • Product typeUSB, PS/2
  • Control 8 computers from one console
  • Daisy-chain up to 31 units for 256-computer management
  • Front USB port gives each system peripheral access
  • 2048 x 1536 resolution at 60 Hz for sharp video
  • Push-button, hot-key and OSD switching options

Eight-port KVM for PS/2 and USB servers

The ATEN CS1708A lets one keyboard, mouse and monitor manage up to eight computers through SPHD-15 connections. Daisy-chaining supports 31 additional units for a total of 256 systems from a single console. A front USB port gives each attached machine access to shared peripherals. TAA compliance suits government and enterprise procurement.

Passive operation with external 5.3 V supply

The switch draws 5 W from a 1 A, 5.3 V adapter, so it adds no fan noise or heat to the rack. Video passes through at 2048 x 1536 resolution and 60 Hz without active scaling circuitry. Port selection uses push buttons, hot keys or an on-screen display, all handled by the firmware. No internal power conversion means silent, maintenance-free running.

Daisy-chain cables and flash upgrade included

SPHD-15 to SPHD-15 cables link the primary unit to up to 31 expansion switches for the full 256-port capacity. An RJ-11 flash ROM port accepts firmware updates for new platform support. The front USB port is wired for peripheral sharing, not for console input. Buyers needing HDMI, DisplayPort or audio switching should choose a different model.

How it compares

Measured against everything we stock in KVM Switches & Rack Consoles, at today’s prices. Recalculated every night.

Price $441.99
Pricier than about 90% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameATEN
Model nameCS1708A
Product typeUSB, PS/2
Display
Supported video resolution2048 × 1536 @ 60 Hz
Ports & slots
PC connectionsKeyboard, Mouse, and Monitor 8 x SPHD-15 Female (Yellow)
Console portsKeyboard, Mouse, and Monitor 1 x SPHD-18 Male (Yellow)
Flash ROM Upgrade 1 x RJ-11 Female (Black)
Power
Power requirementsVoltage 5 W / 5.3 V
Amps 1amp
Size & build
Shipping weight4.99 kg
Package size543 × 235 × 23 mm
More details
Switching methodPush Buttons/Hot Keys/OSD

Questions about this item

How do I install the CS1708A and which step do people often miss?

Connect each computer to the 8 SPHD-15 female ports using the combined keyboard, mouse and monitor cables, then attach the console to the SPHD-18 male port; the step often missed is linking the Flash ROM upgrade RJ-11 port for firmware updates.

What maintenance or replacement will the CS1708A need later?

The 5.3 V 1 A power supply is the only field-replaceable part; cables and the front USB port are passive and rarely fail, so keep a spare 5 W adapter on hand.

What limit appears first when the CS1708A runs continuously?

The video bandwidth caps at 2048 x 1536 at 60 Hz, so sustained high-resolution switching will hit that ceiling before the 256-computer daisy-chain limit.

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