FMUX/S-4E1-E2 Multiplexer
1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567
1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567
Copyright © 2007 Cronyx
7
The multiplexer has the capability of firmware upgrade. The instructions for upgrading
the firmware may be found at the www.cronyx.ru website.
1.3. Ordering information
The FMUX/S-4E1-E2 device may be ordered with two power options as follows:
1. FMUX/S-4E1-E2/BNC-SNMP-AC (176-264 VAC, 50 Hz)
2. FMUX/S-4E1-E2/BNC-SNMP-DC (36-72 VDCx)
1.4. Technical specifications
E1 interface
Nominal bit rate.............................................. 2048 kbit/s
Connector....................................................... RJ-48 (female, 8-pin)
Coding ............................................................ HDB3
Frame structure .............................................. transparent G.703 stream transmission in
both framed (G.704, PCM-30), and
unframed mode
Error detection ............................................... bipolar violation
Link impedance .............................................. 120 Ohms, symmetrical (twisted pair)
Receiver signal level ...................................... 0 to -36 dB
Phase jitter suppression .................................. in the receiving path
Overvoltage protection ................................... TVS
Overcurrent protection ................................... Fuse
E2 interface
Connectors ..................................................... BNC
Coding ............................................................ HDB3
Error detection ............................................... bipolar violation
Link impedance .............................................. 75 Ohms unbalanced (coaxial)