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 RDS+: Router Delay Simulator


RDS - Router Delay Simulator

The Router Delay Simulator Plus (RDS+) allows users to test/stage critical DCE or DTE equipment for reliable network operation while simulating network delay times. The RDS+ provides a realistic simulation of physical network behavior with respect to time delays and bit errors. It supports user circuit rates up to OC-1 (51.84 Mbps) while providing delays from zero to a maximum of 8 seconds round trip. Both continuous random and burst errors are supported.




  • Ordering Info
  • Description
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  • Overview


Part #: 175000
Model: RDS-PLUS, Base Unit
Description: Router Delay Simulator - Plus

Part #: 175030
Model: RDS-PLUS, GUI
Description: Web enabled GUI interface



Interfaces Available
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Part # Product Name TTL To Digital Interface Modules
129014 RS-232 DCE I/M RS-232, DB-25 Female, DCE Interface Module(connects to DTE)
129032 RS-232 DTE I/M RS-232, DB25 Male, DTE Interface Module(connects to DCE)
129010 V.35 DCE I/M V.35, MR-34 Pin Female, DCE Interface Module(connects to DTE)
129028 V.35 DTE I/M V.35, MR-34Pin Male, DTE Interface Module(connects to DCE)
129011 RS-530 DCE I/M RS-530, DB-25 Female, DCE Interface Module(connects to DTE)
129029 RS-530 DTE I/M RS-530, DB-25 Male, DTE Interface Module(connects to DCE)
129012 RS-422 DCE I/M RS-422/449, DB37 Female, DCE Interface Module(connects to DTE)
129030 RS-422 DTE I/M RS-422/449, DB-37 Male, DTE Interface Module(connects to DCE)
129013 X.21 DCE I/M X.21, DB-15 Female, DCE Interface Module(connects to DTE)
129031 X.21 DTE I/M X.21, DB-15 Male, DTE Interface Module(connects to DCE)
129057 TTL I/M TTL Interface Module W/BNC Connectors
129085 T-1 I/M T-1 Interface Module, 1.544 Mbps, DB-15 Female
129097 E-1 I/M E-1, G.703 Interface Module, 2.048 Mbps, 75 ohm BNC
151028 HSSI DCE I/M HSSI, SCSI-I 50 Pin Female, DCE Interface Module(connects to DTE)
175020 DS3 I/M DS3 Interface Module, 44.736 Mbps, 75 ohm BNC
175021 E3 I/M E3 Interface Module, 34.368 Mbps, 75 ohm BNC
175022 STS-1 I/M STS-1 Interface Module, 51.840 Mbps, 75 ohm BNC
175040 EIA-644(LVDS) EIA-644(LVDS), DCE Interface Module, DB-25 Female, 52Mbps
175045 EIA-644(LVDS) EIA-644(LVDS), DTE Interface Module, DB-25 Male, 52Mbps



The Router Delay Simulator Plus (RDS+) allows users to test/stage critical DCE or DTE equipment for reliable network operation while simulating network delay times. The RDS+ provides a realistic simulation of physical network behavior with respect to time delays and bit errors. It supports user circuit rates up to OC-1 (51.84 Mbps) while providing delays from zero to a maximum of 8 seconds round trip. Both continuous random and burst errors are supported.

By using the RDS+ in place of or in series with a real data link (WAN) a wide variety of error conditions can be introduced under controlled and testable conditions.

The RDS+ has two data port interfaces that support EIA-644(LVDS), RS-232, RS-422/449, RS-530, V.35, X.21, DS1/E1, TTL, HSSI, DS3, E3, or STS-1. The data interfaces can be mix and matched where applicable, such as V.35 to-RS-530 connection.

Data Clocking can be driven from various sources. It can be provided via the TX and/or RX clocks of the various data port interfaces. Clocking can also be provided from a programmable clock generator internal to the RDS+. An independent external timing source can be used to frequency lock the internal timing generator via an external timing port on the back of the RDS+.

Data/Control-Lead Delay is programmable in either seconds or number of data bits. Delay may be specified independently to any value on each of the two bi-directional data paths. An option exists to include a control lead on some interfaces with the data delay.

The RDS+ can introduce Random and/or Burst errors into the data stream. These two error types can be used independently or in a combined fashion. The Random error rate is entered as a range of 1x10 -1 to 1x10 -12 errors per bit. Burst errors are entered as duration and interval. The error burst duration is from 1ms to 4 seconds and the interval between bursts is from 1ms to 16seconds. The type of error introduced can be the compliment of the data bit, a forced 0, or a forced 1.

The RDS+ contains one BERT generator and one BERT tester. The generator and tester can be independently attached to either data port. When activated the BERT generator replaces the assigned data port data with a standard x9+x5+1 polynomial function to generate a pattern of 511 bits in length. When activated the BERT tester can monitor the data port in either a continuous or a windowed mode. The continuous mode is manually re-triggerable. The windowed mode can be set for a monitor window from 1 to 256ms.

The RDS+ supports digital loopback of either data port. Loopback, Data Delay, Error Simulation, and BERT can all be used simultaneously on a given port. Installation and operation is provided via an operator console port. This port is a RS-232 port that has been tailored for use with HyperTerminal that comes standard with most PCs. RDS+ status and configuration is displayed in real time via this interface. An optional 10Base-T web enabled GUI interface is available for the RDS+.




    • Bi-directional independent delay buffers per channel, Full Duplex
    • Supports Split Delays
    • Interfaces supported: EIA-644(LVDS), DS3, E3, STS-1, DS1/E1, TTL, HSSI, RS-232, RS-422/449, RS-530, V.35, and X.21
    • Data Rates: 1.2K to 51.84Mbps
    • Network Simulation Delays of 5mS up to 4 Seconds in 1mS increments, each data path
    • Random Error insertion from 1x10-1 to 1x10-12 BER
    • Burst Error insertion
    • BERT 511 generator and tester
    • Timing Internal or from either port interface. Accepts external clock for synchronization of internal timing
    • Managed via serial port or web enabled GUI interface
    • Status LED's for each port allows ease of connection and trouble shooting
    • Internal 90-240 VAC auto sensing power supply
    • Sturdy Metal Enclosure

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Bomara Associates Phone: 800.5BOMARA (800.526.6272) Phone: 978.452.2299 Fax: 978.452.1169 3 Courthouse Lane, Chelmsford, MA 01824 USA
Phone: 800.5BOMARA (800.526.6272)

Phone: 978.452.2299

 

Fax: 978.452.1169

Email: bobr@bomara.com

  Web: www.bomara.com

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