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Wan Raptor Network Emulator
RDS-Plus, Data Link Simulator
PDS-1/10G Portable Delay Simulator

Network Emulator Testing
10 / 100 / 1000, 10G, 25G & 40G

RDS-PLUS, Data Link Simulator

RDS-Plus, Data Link Simulator
Latency Emulator & BERT
Testing for Serial Data and Telcon Interfaces


Network Impairment testing
Latency, Loss, Jitter & Re-Ordering

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Products for Global Networks
Manufacturing Network latency Emulators, IP Traffic
Generators and Data Communication Equipment since 1994.

About East Coast Datacom, Inc

East Coast Datacom, Inc. is a customer oriented, high technology enterprise which was formed in 1994 to design, manufacture and support Wide Area Network Equipment. We manufacture the broadest line of Network Emulators in the network test equipment market supporting over 18 different interfaces for Serial, Telco and Ethernet.

For Ethernet, the WanRaptor™ Network Emulator allows users to test and stage critical network equipment adding network latency, loss, Jitter and re-ordering impairments. For Serial data and Telco the RDS-PLUS delay simulator is a modular, network link error and delay emulator that provides a realistic simulation of physical network behavior with respect to time delays and bit errors.

We also manufacture an extensive line of legacy network equipment critical to the military, government and Fortune 500 companies. These include data broadcast splitters, digital sharing devices, interface converters and many other network adapters. Our highly respected Sync2IP Converter is a unique solution for Sync data to IP conversion as we support any sync data protocol.

We hope you enjoy our collection of products we present on our web site. Keep in mind we can modify or design a new solution for your unique application.

Our Featured Products

Select a category you are interested in and explore what we have to offer you. We manufacture a full line of data communication equipment and network latency simulators.

Network Emulators

Application Performance Testing
Network Latency Simulators

Serial Network Adapters

Converts Sync Serial Data to IP Transport
Serial Network Adapters

Data Broadcast Units

Simplex Data Broadcast for RS-232 or V.11
Data Broadcast Units
modem sharing device picture




Features / Benefits

  • Interface - EIA RS-232, CCITT V.24, DB-25 Female Connectors
  • Data Rates - Synchronous or Asynchronous up to 128Kbps
  • Anti-Streaming - Automatic or Manual for unattended Circuit Restoral
  • Individual Subchannel Enable / Disable Switches
  • Visual Indication of Subchannel Activity
  • Receive Data - Broadcast to all Subchannels
  • Transparent to Data
  • Fully Cascadable
  • External Clocking
  • Sturdy Metal Enclosure
  • 110/220VAC Switch Selectable
  • +/- 15KV ESD Protection


The Modem Sharing Device (MSD) products consist of 4 and 8 port units. The MSDs provide the network manager with a cost effective means of expanding existing, leased line polled networks without adding computer ports or communications links. With the MSD's, up to eight terminals can share the same port and communications link using the contention and control protocols normally resident in the host hardware and software. Once installed, system and network efficiency are increased through higher host processor utilization coupled with the significant decrease in idle time between host / terminal traffic sessions.

Ideal for either synchronous or asynchronous network environments, the MSDs are protocol transparent at data rates up to 128Kbps. Data arriving at the Master Port is continually broadcast to all Subchannels. The attached terminal device that raises the RTS control signal is automatically given control of the MSD until data transmission is complete. Clocking is accomplished from the attached Modem.

The MSDs incorporate optional Anti-Streaming circuitry. If enabled, Anti-Streaming will automatically remove a defective terminal from service if the Data / Control criteria is present for the user predefined selection period.

Housed in a sturdy metal enclosure and equipped with an internal 110/220VAC switch selectable linear power supply, the MSDs will provide in excess of 100,000 hours of reliable service.

The MSDs have a three year warranty and a 24 hour turnaround on warranty repairs.

digital sharing device configuration diagram


Application Multiple Sync/Async terminal or DTE devices operating in a polled environment, to share one Modem
Capacity One to eight RS-232 Sync/Async devices
Interface EIA RS-232, CCITT V.24 using DB-25 female connectors, +/- 15KV ESD Protection
Data Rates Up to 128Kbps
Timing External; from attached Modem
Terminal Service Modes Scanning or Priority
 Anti-Streaming Automatic . . .Selectable time out intervals

Disable . . . . .Selectable via dip switch

 Front Panel Indicators . . . Power, Transmit Data, Receive Data, Channel Active, Channel Stream

Switches . . . . Enable/Disable of each Subchannel

Power Source 100-120 to 200-220VAC @ 10%, 50/60Hz, 0.16/0.08A, external 110/220 volt select switch, IEC Power Inlet, (2) 5mm Fuses
Environmental Operating Temperature . .32º to 122º F (0º to 50º C)

Relative Humidity.. . . . . . .5 to 95% Non-Condensing

Altitude. . . . . . . . . . . . . ... .0 to 10,000 feet

Dimensions Height . . . . . . . . . . . . . . .1.75 inches (4.44cm)

Width . . . . . . . . . . . . . . . 13.35 inches (33.09 cm)

Length . . . . . . . . . . . . . . 9.00 inches (22.86 cm)

Weight MSD-4 and MSD-8 ......... 4.5 pounds (2.1 Kg)
Warranty Three Years, Return To Factory
Regulatory Approvals Tested According to

UL 60950-1:2003, CAN/CSA-C22.2 No. 60950-1:2003

FCC Part 15, Class A
Ordering Information Model: MSD-4
PT# 101000
Description: 4-Port Sharing Device, Small Chassis
PT# 101030
Description: 4-Port Sharing Device, 1U Rkmt. Chassis

Model: MSD-8
PT# 102000
Description: 8 Port Sharing Device, Small Chassis
PT# 102015
Description: 8-Port Sharing Device, 1U Rkmt. Chassis

Included with each unit: 1) Operations Manual

2) U.S.A. Grounded Power Cord, Part #713015

3) Optional Power Cords

....A) United Kingdom, Part #713016

....B) Continental Europe, Part #713017

....C) Other: Specify Country on Purchase Order