User guide

A-1
A
Technical SpeciÞcations A
This appendix lists information on both the module and standalone
products.
Table A-1 Network Interface
Item Rating
Transmit bit rate 2.048 Mbps ± 50 ppm
Receive bit rate 2.048 Mbps ± 75 ppm
Line code HDB3
Framing ITU-TS G.704/CTR 12
Pulse shape ITU-TS G.703/CTR 12
Jitter ITU-TS G.823/CTR 12
Output level ITU-TS G.703/CTR 12
Input level 0 to -26 dB
Impedance 75 ohm (BNC) unbalanced
or 120 ohm (DA-15) balanced
Table A-2 Data Interface
Item Specification
Interface types V.35, X.21 or RS-449/EIA-530
Data rates Nx64 kbps (N=1 through 31)
Line code Normal only
Clocking options SCTE, SCT, inverted SCT
System timing Internal, Network, DATA Port, External
Mode DTE or DCE