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    Computer / Modem

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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    42 Results.
    TYCO 976166

    TYCO

    SIMPLEXGRINNELL

    976166

    DISCONTINUE BY MANUFACTURER, TLO-530 FIBER OPTIC MODEM
    ✓ IN STOCK!
    Buy Surplus As Low As £1,515.20 Price with VAT: £1,818.24
    £1,515.20 Price with VAT: £1,818.24
    Repair Yours £1,320.50 Price with VAT: £1,584.60
    TYCO 742-859

    TYCO

    SIMPLEXGRINNELL

    742-859

    4120 PHY BRIDGE MODEM MEDIA BD
    ✓ IN STOCK!
    £722.18 Price with VAT: £866.62 Buy Surplus As Low As £475.88 Price with VAT: £571.06
    £475.88 Price with VAT: £571.06
    Repair Yours £363.79 Price with VAT: £436.55
    TYCO 8565-430

    TYCO

    SIMPLEXGRINNELL

    8565-430

    DISCONTINUED BY MANUFACTURER, PRINTED CIRCUIT BOARD, RS232/2120 MODEM ASSY 4020
    ✓ IN STOCK!
    Buy Surplus As Low As £298.10 Price with VAT: £357.71
    £298.10 Price with VAT: £357.71
    Repair Yours £247.42 Price with VAT: £296.90
    TYCO 565-430

    TYCO

    SIMPLEXGRINNELL

    565-430

    DISCONTINUED BY MANUFACTURER, USE SIM-8565-430 (RS232/2120 MODEM ASSY 4020)
    Buy Surplus As Low As £748.13 Price with VAT: £897.75
    £748.13 Price with VAT: £897.75
    Repair Yours £634.78 Price with VAT: £761.73
    TYCO 4100-0131

    TYCO

    SIMPLEXGRINNELL

    4100-0131

    DISCONTINUED BY MANUFACTURER, (DC POWERED FSK MODEM)
    Buy Surplus As Low As £1,836.32 Price with VAT: £2,203.58
    £1,836.32 Price with VAT: £2,203.58
    Repair Yours £1,549.16 Price with VAT: £1,858.99
    TYCO 4100-0139

    TYCO

    SIMPLEXGRINNELL

    4100-0139

    DIAL UP SERVICE MODEM
    £879.62 Price with VAT: £1,055.54 Buy Surplus As Low As £528.22 Price with VAT: £633.87
    £528.22 Price with VAT: £633.87
    Repair Yours £439.05 Price with VAT: £526.86
    TYCO 4100-6055

    TYCO

    SIMPLEXGRINNELL

    4100-6055

    DIAL-IN SERVICE MODEM
    £866.77 Price with VAT: £1,040.13 Buy Surplus As Low As £520.67 Price with VAT: £624.80
    £520.67 Price with VAT: £624.80
    Repair Yours £432.25 Price with VAT: £518.70
    TYCO 4100-6064

    TYCO

    SIMPLEXGRINNELL

    4100-6064

    DISCONTINUED BY MANUFACTURER, (RIGHT PORT FIBER MODEM)
    Buy Surplus As Low As £3,785.99 Price with VAT: £4,543.18
    £3,785.99 Price with VAT: £4,543.18
    Repair Yours £3,173.88 Price with VAT: £3,808.66
    TYCO 566-826

    TYCO

    SIMPLEXGRINNELL

    566-826

    NETWORK MODULAR BOARD ASSEMBLY, 4020, 5 X 5 X 5IN
    £797.39 Price with VAT: £956.87 Buy Surplus As Low As £479.02 Price with VAT: £574.82
    £479.02 Price with VAT: £574.82
    Repair Yours £417.48 Price with VAT: £500.98
    TYCO 8566-571

    TYCO

    SIMPLEXGRINNELL

    8566-571

    4100U/ES FIBER OPTIC MODEM BD
    £828.23 Price with VAT: £993.88 Buy Surplus As Low As £497.24 Price with VAT: £596.69
    £497.24 Price with VAT: £596.69
    Repair Yours £413.36 Price with VAT: £496.03
    TYCO 8565-415

    TYCO

    SIMPLEXGRINNELL

    8565-415

    RS232/2120 MODEM ASSEMBLY 4100
    £381.27 Price with VAT: £457.52 Buy Surplus As Low As £228.76 Price with VAT: £274.51
    £228.76 Price with VAT: £274.51
    Repair Yours £189.68 Price with VAT: £227.61
    TYCO 8566-338

    TYCO

    SIMPLEXGRINNELL

    8566-338

    4100U MODEM BD
    £855.44 Price with VAT: £1,026.52 Buy Surplus As Low As £513.87 Price with VAT: £616.64
    £513.87 Price with VAT: £616.64
    Repair Yours £426.96 Price with VAT: £512.36
    TYCO 4190-9023

    TYCO

    SIMPLEXGRINNELL

    4190-9023

    RIGHT MODEM FOR SM CABINET
    £2,615.43 Price with VAT: £3,138.52 Buy Surplus As Low As £1,569.56 Price with VAT: £1,883.47
    £1,569.56 Price with VAT: £1,883.47
    Repair Yours £1,302.80 Price with VAT: £1,563.36
    TYCO 4190-9025

    TYCO

    SIMPLEXGRINNELL

    4190-9025

    MM LEFT FIBER MODEM BEIGE CAB
    £2,743.14 Price with VAT: £3,291.77 Buy Surplus As Low As £1,645.88 Price with VAT: £1,975.06
    £1,645.88 Price with VAT: £1,975.06
    Repair Yours £1,366.28 Price with VAT: £1,639.54
    TYCO 553-773

    TYCO

    SIMPLEXGRINNELL

    553-773

    DISCONTINUED BY MANUFACTURER, (14.4 MEGAHERTZ MODEM)
    Buy Surplus As Low As £444.34 Price with VAT: £533.21
    £444.34 Price with VAT: £533.21
    Repair Yours £370.29 Price with VAT: £444.34
    TYCO 4120-0139

    TYCO

    SIMPLEXGRINNELL

    4120-0139

    DISCONTINUED BY MANUFACTURER, (DIAL-UP SERVICE MODEM)
    Buy Surplus As Low As £1,042.85 Price with VAT: £1,251.42
    £1,042.85 Price with VAT: £1,251.42
    Repair Yours £869.04 Price with VAT: £1,042.85
    TYCO 711-599

    TYCO

    SIMPLEXGRINNELL

    711-599

    DISCONTINUED BY MANUFACTURER, (1011-9806 MD-500 MODEM)
    Buy Surplus As Low As £290.18 Price with VAT: £348.22
    £290.18 Price with VAT: £348.22
    Repair Yours £241.82 Price with VAT: £290.18
    TYCO 748-599

    TYCO

    SIMPLEXGRINNELL

    748-599

    SHIP GROUP MODEM SUPPRESSOR
    £284.89 Price with VAT: £341.87 Buy Surplus As Low As £171.54 Price with VAT: £205.85
    £171.54 Price with VAT: £205.85
    Repair Yours £151.14 Price with VAT: £181.36
    TYCO 4100-6121

    TYCO

    SIMPLEXGRINNELL

    4100-6121

    TRANSPONDER, RIGHT-PORT FIBER MODEM ASSEMBLY, SINGLE-MODE
    £4,360.31 Price with VAT: £5,232.37 Buy Surplus As Low As £2,616.18 Price with VAT: £3,139.42
    £2,616.18 Price with VAT: £3,139.42
    Repair Yours £2,171.84 Price with VAT: £2,606.21
    TYCO 4100-6120

    TYCO

    SIMPLEXGRINNELL

    4100-6120

    TRANSPONDER, LEFT-PORT FIBER, MODEM ASSEMBLY SINGLE-MODE
    £4,092.24 Price with VAT: £4,910.69 Buy Surplus As Low As £2,455.34 Price with VAT: £2,946.41
    £2,455.34 Price with VAT: £2,946.41
    Repair Yours £2,018.44 Price with VAT: £2,422.12
    TYCO 4010-9925

    TYCO

    SIMPLEXGRINNELL

    4010-9925

    MODEM PHYSICAL BRIDGE, CLASS X
    £3,748.96 Price with VAT: £4,498.75 Buy Surplus As Low As £2,249.68 Price with VAT: £2,699.61
    £2,249.68 Price with VAT: £2,699.61
    Repair Yours £1,867.30 Price with VAT: £2,240.76
    TYCO 4100-6030

    TYCO

    SIMPLEXGRINNELL

    4100-6030

    SERVICE MODEM
    £516.89 Price with VAT: £620.27 Buy Surplus As Low As £310.59 Price with VAT: £372.70
    £310.59 Price with VAT: £372.70
    Repair Yours £258.44 Price with VAT: £310.13
    TYCO 4100-6041

    TYCO

    SIMPLEXGRINNELL

    4100-6041

    DISCONTINUED BY MANUFACTURER, (2120 FSK MODEM, 24VDC)
    Buy Surplus As Low As £1,881.66 Price with VAT: £2,257.99
    £1,881.66 Price with VAT: £2,257.99
    Repair Yours £1,586.94 Price with VAT: £1,904.33
    TYCO 4100-6063

    TYCO

    SIMPLEXGRINNELL

    4100-6063

    DISCONTINUED BY MANUFACTURER, (LEFT PORT FIBER MODEM)
    Buy Surplus As Low As £3,785.99 Price with VAT: £4,543.18
    £3,785.99 Price with VAT: £4,543.18
    Repair Yours £3,173.88 Price with VAT: £3,808.66
    TYCO 4100-6072

    TYCO

    SIMPLEXGRINNELL

    4100-6072

    LEFT PORT FIBER MODEM ASSEMBLY, SINGLE MODE, DIRECT MOUNTING ONTO A 4100ES/4100U EXPANSION BAY
    £3,393.37 Price with VAT: £4,072.04 Buy Surplus As Low As £2,036.02 Price with VAT: £2,443.22
    £2,036.02 Price with VAT: £2,443.22
    Repair Yours £1,756.94 Price with VAT: £2,108.33
    TYCO 4100-6073

    TYCO

    SIMPLEXGRINNELL

    4100-6073

    DISCONTINUED BY MANUFACTURER, NETWORK FIBER MODEM, RIGHT PORT, SINGLE MODE, SCREW TERMINALS
    Buy Surplus As Low As £2,304.68 Price with VAT: £2,765.62
    £2,304.68 Price with VAT: £2,765.62
    Repair Yours £762.55 Price with VAT: £915.06
    TYCO 4100-6074

    TYCO

    SIMPLEXGRINNELL

    4100-6074

    MM FIBER MODEM LEFT PORT
    £3,247.94 Price with VAT: £3,897.53 Buy Surplus As Low As £1,948.91 Price with VAT: £2,338.70
    £1,948.91 Price with VAT: £2,338.70
    Repair Yours £1,617.92 Price with VAT: £1,941.51
    TYCO 4100-6075

    TYCO

    SIMPLEXGRINNELL

    4100-6075

    MM FIBER MODEM RIGHT PORT
    £3,049.95 Price with VAT: £3,659.94 Buy Surplus As Low As £1,830.27 Price with VAT: £2,196.33
    £1,830.27 Price with VAT: £2,196.33
    Repair Yours £1,519.68 Price with VAT: £1,823.62
    TYCO 566-714

    TYCO

    SIMPLEXGRINNELL

    566-714

    FIBER MODEM XCVR, LEFT, MM
    £1,854.45 Price with VAT: £2,225.34 Buy Surplus As Low As £1,113.13 Price with VAT: £1,335.75
    £1,113.13 Price with VAT: £1,335.75
    Repair Yours £924.20 Price with VAT: £1,109.04
    TYCO 566-715

    TYCO

    SIMPLEXGRINNELL

    566-715

    FIBER MODEM XCVR, RIGHT, MM
    £1,788.71 Price with VAT: £2,146.45 Buy Surplus As Low As £1,073.83 Price with VAT: £1,288.60
    £1,073.83 Price with VAT: £1,288.60
    Repair Yours £891.71 Price with VAT: £1,070.05
    TYCO 8566-714

    TYCO

    SIMPLEXGRINNELL

    8566-714

    FIBER MODEM XCVR, LEFT, MM
    £1,673.09 Price with VAT: £2,007.71 Buy Surplus As Low As £1,004.31 Price with VAT: £1,205.17
    £1,004.31 Price with VAT: £1,205.17
    Repair Yours £834.28 Price with VAT: £1,001.13
    TYCO 8566-716

    TYCO

    SIMPLEXGRINNELL

    8566-716

    FIBER MODEM XCVR, LEFT, SM
    £1,837.07 Price with VAT: £2,204.49 Buy Surplus As Low As £1,102.55 Price with VAT: £1,323.06
    £1,102.55 Price with VAT: £1,323.06
    Repair Yours £915.14 Price with VAT: £1,098.16
    TYCO 688-629

    TYCO

    SIMPLEXGRINNELL

    688-629

    DISCONTINUED BY MANUFACTURER, (5199 INTERNAL MODEM)
    Buy Surplus As Low As £299.25 Price with VAT: £359.10
    £299.25 Price with VAT: £359.10
    Repair Yours £249.38 Price with VAT: £299.25
    TYCO 688-760

    TYCO

    SIMPLEXGRINNELL

    688-760

    DISCONTINUED BY MANUFACTURER, (5100 REMOTE MODEM S/W RV1)
    Buy Surplus As Low As £113.35 Price with VAT: £136.02
    £113.35 Price with VAT: £136.02
    Repair Yours £151.14 Price with VAT: £181.36
    TYCO 4190-9021

    TYCO

    SIMPLEXGRINNELL

    4190-9021

    SM LEFT FIBER MODEM RED CAB
    £2,929.04 Price with VAT: £3,514.85 Buy Surplus As Low As £1,757.73 Price with VAT: £2,109.27
    £1,757.73 Price with VAT: £2,109.27
    Repair Yours £1,459.23 Price with VAT: £1,751.08
    TYCO 4190-9026

    TYCO

    SIMPLEXGRINNELL

    4190-9026

    RIGHT MODEM FOR MM CABINET
    £2,468.07 Price with VAT: £2,961.68 Buy Surplus As Low As £1,481.14 Price with VAT: £1,777.37
    £1,481.14 Price with VAT: £1,777.37
    Repair Yours £1,229.50 Price with VAT: £1,475.40
    TYCO 711-039

    TYCO

    SIMPLEXGRINNELL

    711-039

    DISCONTINUED BY MANUFACTURER, (DB-25 SHIELD NULL MODEM M TO M)
    Buy Surplus As Low As £63.48 Price with VAT: £76.17
    £63.48 Price with VAT: £76.17
    TYCO 711-040

    TYCO

    SIMPLEXGRINNELL

    711-040

    DISCONTINUED BY MANUFACTURER, (DB-25 SHIELD NULL MODEM M TO F)
    Buy Surplus As Low As £95.22 Price with VAT: £114.26
    £95.22 Price with VAT: £114.26
    Repair Yours £151.14 Price with VAT: £181.36
    TYCO 742-858

    TYCO

    SIMPLEXGRINNELL

    742-858

    4120 NETWORK MODEM MEDIA BD
    £895.49 Price with VAT: £1,074.59 Buy Surplus As Low As £537.29 Price with VAT: £644.75
    £537.29 Price with VAT: £644.75
    Repair Yours £446.61 Price with VAT: £535.93
    TYCO 742-860

    TYCO

    SIMPLEXGRINNELL

    742-860

    4020 NETWORK MODEM MEDIA BD
    £838.81 Price with VAT: £1,006.57 Buy Surplus As Low As £503.29 Price with VAT: £603.94
    £503.29 Price with VAT: £603.94
    Repair Yours £417.89 Price with VAT: £501.47
    TYCO ME800A-R2

    TYCO

    SIMPLEXGRINNELL

    ME800A-R2

    SHORT HAUL MODEM (BLACK BOX)
    £862.99 Price with VAT: £1,035.59 Buy Surplus As Low As £517.64 Price with VAT: £621.17
    £517.64 Price with VAT: £621.17
    Repair Yours £429.99 Price with VAT: £515.98
    TYCO 130.944

    TYCO

    SIMPLEXGRINNELL

    130.944

    MODEM INTFCE
    £7,992.89 Price with VAT: £9,591.47 Buy Surplus As Low As £4,796.34 Price with VAT: £5,755.61
    £4,796.34 Price with VAT: £5,755.61
    Repair Yours £3,981.71 Price with VAT: £4,778.05
    1