Nx Networks 3000 - Manual (Page 60)

Specifications
46 3000 Series User Guide
DDS CSU/DSU Module Specifications
The following table lists the specifications for the DDS CSU/DSU module.
E1 Module Specifications
The following table lists the specifications for the E1 module.
Speed 56 or 64 Kbps, primary channel
Protocol Sync, full duplex
Connector RJ-48S
Indicators Alarm, Test Mode, Loss of Synchronization
Diagnostics CSU loopback, DSU non-latching loopback
(except 64 Kbps mode)
Clocking Internal, Network
Line Coding AMI, B8ZS
FIC 04DUS-56
SOC 6.0N
Speed 2.048 Mbps
Data Rate N x 64 Kbps up to 2.048 Mbps
Impedance 120 ohm
Connector RJ-48C
Indicators Alarm, Test Mode, Loss of Synchronization
Diagnostics Local, remote, and V.54 loopbacks
Clocking Internal, Network
Line Coding HBD3
Line Framing G.704, Structured & Unstructured