INV-4E1 Interface Converter
4. Technical specification
4.1 E1 Interface
Framing Unframed
(transparent)
Line Code
HDB3
Bit Rate
2.048Mbps x 4 (7.68Mbps total)
Line Impedance
75 Ohms for BNC, 120 Ohms for RJ-45
Relative Receive Level
0 to -43dB
‘Pulse’ Amplitude
±2.37V±10% for 75 Ohms ,3.00V±10% for 120 Ohms
Transmit Frequency
2.048Mhz
Allowance ±50ppm
Interface characteristics
Complies with ITU-T G.703
Jitter Performance
According to ITU-T G.823
Interface Connectors
BNC (Unbalanced) or RJ-45 (Balanced)
4.2 Console interface
The CONSOLE interface is network management interface, and it is limited to be used by manufacturers only.
4.3 Ethernet interface
¾
Interface: 10/100Base-TX, Full Duplex or Half Duplex
¾
Interface Standard: complies with IEEE-802.3u standard
¾
Interface rate: 10/100M auto-negotiation
¾
Interface connector: RJ-45
¾
Supports
Auto-MDI/MDIX
4.4 General specification
Environmental
Requirements
Work temperature
0
°C ~ +45
°C
Humidity
≤
90% non-condensing
Power Supply
-48VDC
-36VDC ~ -72VDC
220AC 220VAC±20%
Power consumption
<10W
Dimension (mm)
265
（
W
）
×170
（
D
）
×45
（
H
）
3
