Specifications

Chapter 1 Introduction Installation and Operation Manual
1-24 Technical Specifications FCD-E1LC Ver. 1.0
Table 1-3. Handling of Management Access Conflicts
Type of First Response to Second Access
Access
Telnet Inband Telnet
Out-of-Band
Supervision
Terminal
Telnet Inband Message Ignored Message
Telnet
Out-of-Band
Message Ignored Ignored
Supervision
Terminal
Disconnects
the terminal
Not possible Ignored
1.7 Technical Specifications
E1 Main and
Sublinks
Compliance ITU-T Rec. G.703, G.704, G.706, G.732, G.826
Framing
• G732N, 2 frames per multiframe, CRC-4
option disabled
• G732N, 2 frames per multiframe, CRC-4
option enabled
• G732S, 16 frames per multiframe, CRC-4
option disabled
• G732S, 16 frames per multiframe, CRC-4
option enabled
• Unframed
Data Rate 2.048 Mbps (±50ppm)
Line Code HDB3
Interface Type Balanced or unbalanced, with automatic
selection in accordance with the connected
cable
Line Impedance
Balanced interface 120Ω
Unbalanced interface 75Ω
Transmit level
Balanced Interface ±3V ±10%
Unbalanced Interface ±2.37V ±10%