Ricoh D129 Service Manual page 766

System SP Tables-5
Device Setting
The NIC and USB support features are built into the GW controller. Use this
5985
SP to enable and disable these features. In order to use the NIC and USB
functions built into the controller board, these SP codes must be set to "1".
001 On Board NIC
002 On Board USB
5987* Counter Falsification Prevention
This SP detects that a mechanical counter device is removed. If it is
detected, SC610 occurs.
[0 or 1 / 1 / 1/step]
0: OFF. 1: ON
D129/D130
[0 to 2 / 0 / 1 /step]
0: Disable, 1: Enable, 2: Function limitation
When the "Function limitation" is set, "On board NIC" is
limited only for the NRS or LDAP/NT authentication.

Other network applications than @Remote or
LDAP/NT authentication are not available when
this SP is set to "2". Even though you can
change the initial settings of those network
applications, the settings do not work
[0 or 1 / 0 / 1/step]
0: Disable, 1: Enable
3-162 SM Appendix