Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Selling
  • Saved feed
  • Saved Searches
  • Saved Sellers
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

Black Box Telecom Multiplexers

breadcrumb

  • eBay
    • Business & Industrial
    • Office
    • Telecom Systems
  • Business & Industrial
  • Office
  • Telecom Systems
  • Multiplexers
  • Black Box Telecom Multiplexers

Shop by category

  • Telecom Systems
    • Multiplexers
    • Business Phone Sets & Handsets
    • Conference Equipment
    • Music On-Hold Systems
    • Voicemail & Voice Processing Systems
    • BLACK BOX ACCESSORY P/N JPM404A-R2 FIBER ADAPTER PANEL 3 DUPLEX TO ST PAIRS - Image 1 of 2
    • BLACK BOX ACCESSORY P/N JPM404A-R2 FIBER ADAPTER PANEL 3 DUPLEX TO ST PAIRS - Image 2 of 2

    BLACK BOX ACCESSORY P/N JPM404A-R2 FIBER ADAPTER PANEL 3 DUPLEX TO ST PAIRS

    Brand New · Black Box
    S$ 18.18
    or Best Offer
    S$ 28.77 shipping
    Z⁣⁣A⁣ ⁣⁣⁣8⁣3⁣ ⁣⁣Y⁣⁣6⁣⁣⁣ ⁣⁣9⁣⁣B⁣ ⁣⁣Q⁣⁣M⁣⁣ ⁣⁣
    • BLACK BOX CORP TOPS+ SWI066A TONE OPERATED POWER SWITCH TOPS+/TATS/DTMF UNUSED - Image 1 of 4
    • BLACK BOX CORP TOPS+ SWI066A TONE OPERATED POWER SWITCH TOPS+/TATS/DTMF UNUSED - Image 2 of 4
    • BLACK BOX CORP TOPS+ SWI066A TONE OPERATED POWER SWITCH TOPS+/TATS/DTMF UNUSED - Image 3 of 4
    • BLACK BOX CORP TOPS+ SWI066A TONE OPERATED POWER SWITCH TOPS+/TATS/DTMF UNUSED - Image 4 of 4

    BLACK BOX CORP TOPS+ SWI066A TONE OPERATED POWER SWITCH TOPS+/TATS/DTMF UNUSED

    New (Other) · Black Box
    S$ 42.11
    Was: S$ 80.03was - S$ 80.03
    or Best Offer
    S$ 43.53 shipping
    S⁣p⁣о⁣S⁣C⁣n⁣s⁣o⁣ ⁣r⁣H⁣e⁣T⁣d⁣⁣ ⁣0⁣F⁣⁣⁣⁣⁣⁣ ⁣⁣L⁣6⁣ ⁣
    • Black Box MT1000A-85 T1 Fiber MUX Multiplexer 3250010200 - Image 1 of 4
    • Black Box MT1000A-85 T1 Fiber MUX Multiplexer 3250010200 - Image 2 of 4
    • Black Box MT1000A-85 T1 Fiber MUX Multiplexer 3250010200 - Image 3 of 4
    • Black Box MT1000A-85 T1 Fiber MUX Multiplexer 3250010200 - Image 4 of 4

    Black Box MT1000A-85 T1 Fiber MUX Multiplexer 3250010200

    Pre-Owned · Black Box
    S$ 294.89
    Was: S$ 421.27was - S$ 421.27
    or Best Offer
    S$ 95.64 shipping
    S⁣р⁣o⁣n⁣s⁣U⁣5⁣o⁣r⁣e⁣d⁣ ⁣⁣9⁣M⁣⁣⁣ ⁣0⁣⁣V⁣⁣ ⁣⁣⁣6⁣⁣⁣
    • BLACK BOX ACCESSORY P/N JPM415A-R2 FIBER ADAPTER PANEL 6 DUPLEX SC TO ST PAIRS - Image 1 of 4
    • BLACK BOX ACCESSORY P/N JPM415A-R2 FIBER ADAPTER PANEL 6 DUPLEX SC TO ST PAIRS - Image 2 of 4
    • BLACK BOX ACCESSORY P/N JPM415A-R2 FIBER ADAPTER PANEL 6 DUPLEX SC TO ST PAIRS - Image 3 of 4
    • BLACK BOX ACCESSORY P/N JPM415A-R2 FIBER ADAPTER PANEL 6 DUPLEX SC TO ST PAIRS - Image 4 of 4

    BLACK BOX ACCESSORY P/N JPM415A-R2 FIBER ADAPTER PANEL 6 DUPLEX SC TO ST PAIRS

    New (Other) · Black Box
    S$ 49.15
    S$ 45.61 shipping
    9⁣C⁣ ⁣B⁣⁣⁣⁣⁣⁣P⁣ ⁣4⁣⁣⁣⁣H⁣⁣⁣ ⁣0⁣W⁣ ⁣⁣⁣⁣5⁣⁣⁣
  • Black Box FT1-4 Voice-Data External Multiplexor - Image 1 of 3

    Black Box FT1-4 Voice-Data External Multiplexor

    New (Other) · Black Box
    S$ 203.62
    or Best Offer
    S$ 908.13 shipping
    ⁣1⁣⁣J⁣⁣ ⁣K⁣⁣⁣⁣⁣7⁣ ⁣N⁣⁣K⁣ ⁣⁣1⁣7⁣⁣ ⁣4⁣⁣⁣⁣⁣7⁣
  • Black Box SWI050A TATS/TOPS Tone Activated Switch - Image 1 of 4

    Black Box SWI050A TATS/TOPS Tone Activated Switch

    Pre-Owned · Black Box
    S$ 42.13
    or Best Offer
    S$ 41.57 shipping
    F⁣1⁣⁣ ⁣7⁣⁣⁣⁣⁣⁣⁣S⁣⁣⁣⁣⁣⁣⁣ ⁣U⁣⁣⁣⁣⁣Z⁣ ⁣O⁣Z⁣
  • Black Box Multiserver 10000 MX230A MS10 Node Commpak - Image 1 of 1

    Black Box Multiserver 10000 MX230A MS10 Node Commpak

    Refurbished · Black Box
    S$ 900.52
    or Best Offer
    S$ 124.57 shipping
    ⁣6⁣⁣⁣Y⁣⁣⁣ ⁣0⁣M⁣⁣ ⁣⁣K⁣9⁣ ⁣L⁣5⁣ ⁣1⁣J⁣⁣⁣ ⁣⁣H⁣⁣ ⁣
  • BLACK BOX MODEL:SWT065A-R2 - Image 1 of 2

    BLACK BOX MODEL:SWT065A-R2

    Pre-Owned · Black Box
    S$ 49.15
    S$ 29.69 shipping
    R⁣⁣9⁣ ⁣Z⁣Q⁣⁣⁣⁣ ⁣⁣⁣⁣9⁣⁣2⁣⁣⁣⁣ ⁣I⁣E⁣ ⁣V⁣⁣V⁣⁣⁣
  • Black Box MT651A-ST 2840060200 724-746-5500 T1/E1 fiber optic in driver - Image 1 of 3

    Black Box MT651A-ST 2840060200 724-746-5500 T1/E1 fiber optic in driver

    Pre-Owned · Black Box
    S$ 188.58
    Was: S$ 238.71was - S$ 238.71
    or Best Offer
    S$ 61.87 shipping
    ⁣F⁣⁣U⁣⁣⁣⁣⁣ ⁣8⁣⁣⁣⁣⁣E⁣⁣⁣⁣⁣ ⁣⁣⁣⁣⁣⁣⁣⁣⁣
  • Black Box Tone Activated Talking Switch, Radio & Phone Communication, Candor - Image 1 of 4

    Black Box Tone Activated Talking Switch, Radio & Phone Communication, Candor

    Pre-Owned · Black Box
    S$ 56.17
    or Best Offer
    S$ 66.91 shipping
    ⁣4⁣⁣L⁣ ⁣⁣7⁣⁣⁣⁣4⁣⁣⁣⁣⁣⁣⁣⁣ ⁣D⁣⁣⁣⁣⁣7⁣⁣ ⁣P⁣
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

10 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • Brand: Black Box- Selected