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RK-MIBdC-PFT1 WAN Link Protector
E1 WAN Link Protector
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E1 WAN Link Protector

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Persevant and Secure Voice, Video and Data Connectivity:

Engage's Syn APS-E1 delivers critical infrastructure connectivity assurance that utilizes a “Guardian Spirit” with Multi-Circuit and Multi-Technology “powers” to exercise every available option to keep the Voice, Video or Data systems fully operational. The Syn•APS-E1s is targeted at the Critical Infrastructure connectivity requirements of Government Agencies, Multi-site Corporations and Organizations in many different sectors of the economy.

Critical Infrastructure 

Critical infrastructure is defined as the collection of public and private services that are essential to sustain government, provide for a safe living environment, maintain day-to-day business, and secure a prosperous economy. They include both public and private enterprise services such as:

  • Defense & Defence Contractors
  • Emergency Services & 911 Public Safety Dispatch Centers
  • Telecommunications Providers
  • Natural Gas & Electric Power Utility Companies
  • Oil and Gas Companies
  • Banking & Financial Services Institutions
  • Transportation Agencies
  • Water
  • Education
Multi-Faceted E1 Circuit Protection

Syn APS-E1 is a Multi-Faceted protection switch with 4 E1 and 2 Ethernet interfaces. The third and fourth E1s are used for intelligently switching the Primary to a Secondary or Tertiary circuit.


Circuit Extension Over Packet Networks:

The Syn APS-E1's conversion of the circuit to packets facilitates the utilization of data networks for backup over 2 Independent LAN interfaces that are routable over packet networks such as:

  • LANs
  • WANs
  • xDSL
  • MAns
  • Satellite
  • Wireless

Encryption Method:

The Advanced Encryption Standard (AES) is utilized by the Syn•APS-E1 to protect electronic data. 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.

Proven Interoperability: 

The Syn APS-E1 interface 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
  • Echo Canceller

The Syn APS-E1 has an integrated E1 Echo Canceller that cancels up to 64 milliseconds of Far End echo. The echo canceller meets ITU-T G.164, G.165 and ITU-T G.168 requirements for echo cancellation.

Echo Cancellation Module Option:

The Syn APS-E1-Ecan is a module that has an integrated E1 Echo Canceller option that cancels up to 64 milliseconds of Far End echo. The echo canceller meets ITU-T G.164, G.165 and ITU-T G.168 requirements for echo cancellation. Echo Cancellation becomes a requirment for Circuits that are extended over IP networks when the round trip packet delay between the end points exceeds 25 milliseconds.

Lossless Data Compression Option: 

The Syn APS-E1-C continuously detects idle and redundant data within each E1 Voice circuit resulting in as much as a 40 to 1 bandwidth savings. TDM over IP WAN bandwidth is not consumed by silent or redundant circuits.

Note: Compression only supported with Syn•APS-E1-C models.

Technicial Specifications: 

Encryption Algorithm: 
  • AES 256-bit
  • Fully Automatic key management
E1/Fractional E1 Specifications: 
  • 4 Integrated E1 DSU/CSUs
  • Framing - CRC4 or FAS or UnFRAMED • Coding - HDB3 or AMI
  • Supports DS0 assignments from 1 to 31
  • Not Contiguous Configuration x-y,z Supported
LAN Network Interface: 
  • Two 10/100BaseT Full/Half Ethernet
  • Auto negotiation or Configured Speed and Duplex
LAN Network Protocols Supported: 
  • Telnet
TFTP Online Upgrade Capable (FLASH ROMs) 
  •  Syn•APS is fully operational during upgrade
  • Dimensions: 9" (L) x 7.3” (W) x 1.50” (H)
  • Optional Medeco Case
Echo Canceller Module (Option): 
  • Voiceband Echo Cancelling according to ITU G.165 and G.168
  • u- and A-Law coding according to ITU G.711
  • 31 channels with end echo path delay of less than 63.75 ms
Automatic Protection Switch: 
  • E1 Alarms: Red, Yellow, CRC Error Level
  • Procative Circuit to Packet with Assured Delivery and Hot Backup
  • 0° to 132° F (-10° to 50°C) operating temperature
  • Up to 90% operating humidity (non-condensing)
  • Optional Extended Temperature Range available
  • CE • Safety -IEC60950 • 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
  • Telco Diagnostics: Local Loop, Remote Loop
  • 12-30 VDC, 1.0A. • Locking Connector
  • Optional -48V 0.25 Amp • Hot Standby


How to Order: 

Part No Description Notes 
APS-1544-04 Syn•APS-E1 Base Model with 4 E1 Ports and 2 LANs 
ECAN Echo Cancellation Module Far End 64ms Tail Echo Cancellation 
CMP Lossless Data Compression Bandwidth Minimizer 56:1 idle/redundant 
Power Options  Specify as suffix - Combine 2 for Hot Standby 
DCMOD Power Module 12/26 VDC/AC ADAPTER Ships with Universal Adapter 100/240 50/60
WIREDC Power Supply Module 12/26 VDC Screw Term 
N48VDC Power Supply Module Negative 48 Volt DC Isolated Negative 48 Volt Power
RACKMNT 19/23" Wide Rack Mount BracketsEnclosure Nut Serts Installed