BlackBond - E1 G.703 AES256 Link Encryption


  • Simple to deploy in-line cryptographic unit
  • Secures E1 Voice circuits
  • Secures E1 Data circuits
  • Secures E1 Video codecs
  • Protocol Transparent


E1 G.703- Voice, Video and Data Encryption

BlackBond - E1/T1 AES256 Circuit Encryptor


The BlackBond has proven itself for over a decade as an ultra secure encryptor of E1 circuits.  Sophisticated organizations that transmit mission critical sensitive information over E1 lines utilise the BlackBond to keep their communications private and secure. 

The alignment of the E1 frames to AES blocks makes the BlackBond a very robust error tolerant encryptor of sensitive E1 Voice, Data and Video.

Additionally for Point to Point E1 links the BlackBond adds a physical layer of E1 encryption security to data networks.

The BlackBond is a Commercial Off the Shelf E1 Link Encryptor that utilises the Advanced Encryption Standard to secure sensitive information transmitted over  E1 communication links for:

  • Health Care Industries 
  • Financial Institutions
  • Multi-Site Commercial Enterprises
  • Utilities
  • Public Safety Networks
  • Central and Local Governments
  • Military

Proven Interoperability

The BlackBond has over a decade of proven interoperability with the full range of E1 communication equipment including:

  • WAN Bridges and Routers
  • PBX Trunks
  • Video Codecs
  • Voice and Data Multiplexers
  • Cellular Base Stations

Encryption Method

The Advanced Encryption Standard (AES256) is utilized by the BlackBond to secure E1 circuits. The AES algorithm is a symmetric block cipher that encrypts and decrypts information. AES is a FIPS approved symmetric encryption algorithm that may be used by U.S. Government organizations (and others) to protect sensitive information.

Key Management

Automated key management configurations ensure timely key transitions and eliminate the operational and maintenance costs of managing an encrypted network with manual key distribution.



Item Description
Encryption Algorithm
  • AES 256-bit
  • Fully Automatic key management with configured interval
E1& Fractional E1 Specifications
  • 1 RED and 1 BLACK E1
  • Integrated CSU Connects to Telco E1 or with a crossover cable to DS1
  • Framing - CRC4
  • Coding - HDB3 or AMI
  • Supports DS0 assignments from 1 to 32
  • Supports Non Contiguous Configuration x-y,z 
LAN Network Interfaces
  • Two 10/100BaseT Full/Half Ethernet
  • Auto negotiation or Configured Speed and Duplex
LAN Network Protocols
  • Telnet TFTP Online Upgrade Capable (FLASH ROMs)
  • BlackBond is fully operational during upgrade
  • 9" (L) x 7.3” (W) x 1.50” (H)
  • Optional Medeco Case
  • 0° to 132° F (-10° to 50°C ) operating temperature
  • Up to 90% operating humidity (non-condensing)
  • Optional Extended Temperature Range available
  • CE
  • Safety -IEC6095
  • EMC - CFR 47 Part 15 Sub Part B:2002, EN55022:1994+A1&A2, EN55024, ICES-003 1997, CISPR 22 Level A
  • Telecom TBR12, TBR13 
  • Telnet support with Edit and Paste Template Files
  • Console Port for Out of Band Management
  • SNMP support (MIB I, MIB II) with configured traps
  • Remote config., monitoring, & reset

Local Loop, Remote Loop

  • 12-30 VDC, 1.0A.
  • Universal Adapter 100/240 VAC 50/60 Hz
  • Optional -48V 0.25 Amp 

Ordering Information

Order Code Description
EN-BLKBND-007-2048-02 BlackBond E1 AES256 Link Encryptor - AC PSU

More Information

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