Comtrol 99451-0 DeviceMaster PRO 16-Port Rack-Mount Device Server

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Overview

The Comtrol DeviceMaster PRO 16-Port is a 16-port device server designed for network-enabling serial communications devices. When used with the included NS-Link driver software and a host PC, the DeviceMaster PRO enables placement of COM or TTY ports anywhere on an Ethernet network or across the Internet. In applications where connecting legacy serial devices to a PC without software changes is a requirement, a pair of DeviceMaster PRO units can be used to create a point-to-point serial tunnel across the network that seamlessly transfers serial data via TCP or UDP socket connections. The product is fully compliant with the RoHS directive.

Specifications

Mfr Part Number: 99451-0

Brand: Comtrol Corporation

Model Number: 99451-0

Type: Device Server

Technical Description

Brand: Comtrol Corporation

Model: 99451-0

Data Transfer Rate: 10 Mbps Ethernet, 100 Mbps Fast Ethernet, 50 bps to 230 Kbps Serial

Additional Information: Support Software Selectable Interface RS232/422/485

Current Consumption: +120VAC 90 mA

Power Consumption: (maximum)10.9 W

Altitude: 0 to 10000 Feet

Connector Type: RJ45F

Number of Ports: 16

Form Factor: Rack-mountable

Product information, pricing, availability, images or discounts are subject to change without notice and may not always reflect the most current details. In the event of pricing or availability discrepancies, we reserve the right to cancel or adjust orders. Customers will be notified and may choose to proceed or cancel.

85%

(3625)

15%

(649)

(4)

(0)

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The website provided detailed information, and I received a brand new PNY version RTX Pro 6000 at a reasonable price. Shipping was fast. My only suggestion is to confirm the customs clearance agency with the customer before exporting to Canada to avoid delays. Overall, shopping here is trustworthy.

Fast and easy transaction! Will buy from them again!

Although the product itself was unsucc6for our purposes, the customer uce was exceptional. I would gladly go business with this company again.

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As a dark matter researcher building a university-grade dual-node system at home, I sourced an RTX Pro6000 Blackwell GPU from eSaitech—paired with i9-14900Ks, 128GB RAM per node, 20TB of NVMe across 4/4/8/4TB partitions, and Ubuntu 24.04. The build was flawless—until I accidentally charged the $8,000 GPU to my checking account via PayPal instead of the intended credit card. That misstep triggered a cascade of issues across PayPal, my bank, and eSaitech’s Shopify backend. Enter MaryLou from eSaitech customer service. She didn’t just help—she orchestrated a full recovery: coordinating RMA and accounting to reverse the charge, reprocess it correctly, and clear the default with PayPal. I was stunned. This wasn’t just good service—it was spectacular. From a company I’d never worked with, and to whom I technically owed money. The GPU arrived fast, at the lowest price I could find anywhere. But it’s the integrity and responsiveness of their team that truly impressed me. I don’t even know how to thank them properly. If you’re sourcing high-end components and value not just price but people, eSaitech earns my highest recommendation. Note my system below -

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Comtrol 99451-0 DeviceMaster PRO 16-Port Rack-Mount Device Server

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Comtrol 99451-0 DeviceMaster PRO 16-Port Rack-Mount Device Server