1. General Information
The Eurocom B/E1 Mux interface converter box allows to connect any
equipment with Eurocom B interface to any equipment with E1 interface.
The EUROCOM B / E1 converter specification:
1. Binary throughput on E1 side: 2048 kbps ± 100ppm
2. Binary throughput on Eurocom side: 256/512/1024/2048kbps ± 100ppm
3. Modes of operation:
● Raw data converter (2048 kbps only)
● Multiplier mode with automatic throughput selection
● Multiplexer mode
4. E1 interface:
● G.703/120 Ω, balanced electrical parameters (ITU G.703, chapter 9)
● RJ-45 socket (1,2–Rx, 4,5-Tx, 6,7-GND)
5. Eurocom interface:
● B type, as per EUROCOM D/1 1986 IB6 (pages IB6-1 .. IB6-5)
● connector: D-SUB 9 female-type
6. RS-232 interface (configuration/firmware update)
● Baud rate 57,6 kbps, character format 8N2
● connector: D-SUB 9 female-type
7. Power supply (available options):
● DC +12V..+30, < 2W, non-isolated, '-' connected to board's earth and
GND line of E1 interface, PSU socket 5.5/2.5mm
● -48VDC (-36..-72VDC), isolated, MC 1,5/3-G-3.81 socket.
● AC 85…240VAC, 47…63Hz, IEC60320-C14 socket
8. Power consumption < 1W
9. Box size: 106mm • 175mm • 46mm
2. Front panel layout
Front panel contains:
TEL-KA EUROCOM B / E1 Mux converter www.tel-ka.com.pl
User Manual v.3.1 4. Apr. 2014 Page 3/13