Appendix K - Echo Technical Specification - Black Box Echo Series User Manual

Echo 2 Mbps Multiplexer
E1 COMPOSITE LINK and DROP & INSERT (D&I) PORTS
Link Ports:
Compliance:
Interface:
Data Rate:
Transmission Modes:
Statistics & Alarms:
Nx64K DATA CHANNELS
Interface:
Capacity:
Data Rates:
Data Format:
Control Signals:
Diagnostics:
SUPERVISOR PORT
Interface:
Supported Terminals:
GENERAL
Front Panel Indicators:
Dimensions:
Weight:
Environment:
Power Supply Requirements:
44
SALES: 0118 965 5100

Appendix K - Echo Technical Specification

Echo Mux: 1 E1 port, Echo T-Mux: 2 E1 ports
G.703, G.704, G.706, I.431, G.823, PD7024, CTR12, EN41003, EN60950,
EN55022, EN50082-1, BABT, CE (EMC, LVD, TTE)
G.703 75 Ohm un-balanced (UK), 2 x BNC connectors (to PD7024)
or G.703 120 Ohm balanced (Europe), 8 way RJ45 connector (to CTR12)
2.048 Mbit/s +/- 50ppm, Ref: Internal, Loop, External, Channel 1..4
AMI/HDB3
24 Hour BERT / 15 minute intervals, 2 Major & Minor Alarm contacts.
X.21/V.11 (DCE)
Echo Mux & Echo T-Mux: 2..4 Channels
Off, 64K, 128K, ... 1984K in 64K steps, Internal or External Clocks
Synchronous Transparent
Indicate Permanant, Alarm controlled, or Transparent option.
Bilateral Loopbacks, Underflow & Overflow Alarms
V.24/V.28 (DCE), 9600bps async, 8 bits, no parity, 1 stop bit
VT52, VT100, ADDSVP, ADM3A, H1500, N8009, TVI920
Carrier, MAJOR Alarm, Minor Alarm, Loop.
434mm x 290mm x 61mm
Min 2.4Kg (Access Lanlink) Max 2.6Kg (Access T-Mux)
Operating 0-40°C, 0-90% humidity non-condensing
100 - 240V AC , 50 - 60Hz, 40W (Internal switched mode PSU)