Site Information


 Loading... Please wait...
  • Image 1
  • Image 2
  • Image 3
  • Image 4
  • Image 5

Cisco NM-1T3/E3 One-Port Clear-Channel Network Modules (3)

Current Stock:

Product Description

Manufacturer: Cisco

Model: NM-1T3/E3

Condition: Used. Comes in non-original packaging. These network cards have minor markings from normal use and show no major defects that would affect functionality. The photos show the exact item(s) the buyer will receive.

Notes: These networks cards were tested by inserting them into a verified working system. There were no issues associated with these cards. No manuals, cords/cables, or additional items are included if not listed or shown.


  • (3) Cisco NM-1T3/E3 One-Port Clear-Channel Network Module 73-7458-06 A0


  • Manufacturer: Cisco
  • Model: NM-1T3/E3
  • Part No: 73-7458-06 A0
  • Description: One-Port Clear-Channel Network Module
  • DSX3 level interface with dual female 75-ohm BNC coaxial connectors per port (separate RX and TX)
  • Full-duplex connectivity at DS3 rate (44.736 MHz)
  • Full-duplex connectivity at E3 rate (34.368 MHz)
  • Scrambling and subrate support of major DSU vendors
  • Line build-out-Programmable for up to 450 feet of 734A or equivalent coaxial cable or up to 225 feet for 728A or equivalent coaxial cable
  • C-bit, or M23 framing for T3, bypass and G.751 framing for E3 (software selectable)
  • Binary 3-zero substitution (B3ZS) (T3) or high-density bipolar with three zeros (HDB3) (E3) line coding
  • Support for 16- and 32-bit CRC (16-bit default)
  • DS3 FEAC channel support
  • Twenty-four-hour history maintained for error statistics and failure counts
  • DS3 alarm and event detection (once per second polling)
  • Alarm indication signal (AIS)
  • Out of frame (OOF)
  • Line code violation (LCV)
  • Excessive zeros (EXZ)

Hassle Free Returns

  • DougDeals will pay return shipping if the item needs to be returned for any reason
  • Return window is 30 days from delivery date
  • See complete terms

CDN Systems LLC, DBA Doug Deals, is not an authorized distributor or affiliated with the manufacturer of this product. Original manufacturer's warranty does not apply.

Other Details


Find Similar Products by Category