CTC Union ETU-01A User Manual

Appendix A. I/F Specifications
125
November 2001
A.8 G.703/NRZ
When the ETU-01A is ordered with an NRZ interface, the
physical interface is 4 BNC female connectors wired in
accordance with Table A-9.
Specifications:
Line Code: NRZ
Impedance: 50 ohms
Signal Level: Logic "1": 0V +/- 0.3V
Logic "0": -1.5V +/- 0.3V
Speed: 2048K Max.
SIGNAL
FUNCTION
DIRECTION DESCRIPTION
Received
Data
Fm ETU-01A
Serial NRZ data at the output of
the ETU-01A receiver.
Received
Timing
Fm ETU-01A
Serial NRZ timing at the output of
the ETU-01A receiver.
Transmitte
d
Data
To ETU-01A
Serial NRZ data from DTE.
Transmit
Timing
To ETU-01A Serial NRZ timing from DTE.
Table A-9 NRZ/BNC pin allocation
Settings: (by adjustment of jumpers on interface card)
Rx timing; "Normal" or "Inverted"
Tx timing; "Normal" or "Inverted"

CTC Union ETU-01A Specifications

General

Brand	CTC Union
Model	ETU-01A
Category	Control Unit
Language	English