CTC Union ETU01-Plus, User Manual

Page: 8 / 44

Chapter 1. Introduction
8
User Data Channel
Fixed Interface -V.35
Interface Connectors
V.35 Interface
34 pin, M-Block Female
Line Code NRZ
Data Rate
N
×
56kbps or N
×
64kbps
where N equal 1 to 31 in CCS
and N equal 1 to 30 in CAS
2.048Mbps Unframed
Clock Modes
Clock Mode 0 (DCE1) Receive and transmit clock (recovered) to the
synchronous DTE
Clock Mode 1 (DCE2) Receive and transmit clock (internal
oscillator) to the synchronous DTE
Clock Mode 2 (DTE1) Receive clock to the synchronous, and
transmit clock from the synchronous device
Clock Mode 3 (DTE2) Receive and transmit clock from the
synchronous DCE (from ETC and ERC pin )
Clock Mode 4 (DTE3) Receive and transmit clock from the
synchronous DCE (all from ETC pin).
Control Signals -CTS constantly ON
-DSR constantly ON, except during test loops
-DCD constantly ON, except during signal
loss
Time slot allocation User defined (N.A. for Unframed)