User`s guide

Configuring the DL3100 4-17
4
¥ ServiceÑIn Service or Out of Service (DefaultÑIn Service).
Allows you to place the DL3100 in or out of service.
¥ ScramblerÑEnabled or Disabled (DefaultÑDisabled).
When enabled, this feature scrambles the data signal before sending it
to the network. The scrambler algorithm is based on the polynomial
x
43
+ 1.
¥ Hardware Rev
This is a view-only Þeld. The hardware rev is set at the factory and
cannot be changed.
¥ Framing FormatÑC-bit Parity and M13 (Default ÑC-Bit Parity).
Sets the framing format of the outgoing signal.
¥ Line Build-outÑ< 225 ft and > 225 ft (DefaultÑ< than 225 ft)
This refers to the amount of WECO 728A cable (or equivalent) needed
to reach the next DS3 device.
¥ Applications Data LinkÑNRZ (Non-Return to Zero) or NRZI (Non-
Return to Zero Inverted. (DefaultÑNRZI)
Lets you insure the integrity of the network signal. This should be set to
NRZI if the units at both ends of the T3 circuit support this feature. If
one of the units does not have NRZI capability, the other unit must be
set to NRZ.
NOTE: To use the scrambler, your main board must be Rev E or later.