User guide

E1-A and E1-B Tests
234 AXS-200/805/855
Setup Configuration
Frac-E1 (Nx64): Select this mode to test contiguous and
non-contiguous E0’s. Select desired channel or all desired channel
numbers.
Monitor 75 (ohm): Select this mode to match the line impedance of
the circuit to which you are connecting to the system.
Term 75 (ohm): Select this mode to set the transmitter and receiver at
the same impedance. It is the impedance reflected in a terminate
mode.
³ Clocking: Select the clock source. Choices are Network/looped-timed
(NW) and Internal Clock (INT). The default setting is
Network/looped-timed (NW). Clocking is disabled if Mode is set as
Monitor 120 (ohm), Bridged, or Monitor 75 (ohm).
³ Framing: Select the framing. Choices are PCM31 (FAS),
PCM30 (MFAS), PCM31+CRC, PCM30+CRC, and Unframed. The
default setting is PCM31+CRC.
³ Coding: Select the coding. Choices are HDB3 and AMI. The default
setting is HDB3.