User's Manual

Table Of Contents
DIB-500 R4.1 Function tests and operating surveillance
Checking standby carriers – optional
158 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
7. Enter the following command to disable the fourth carrier:
bsce block 4
8. Establish voice communication using the two radio sets.
The voice communication setup is denied because there are no voice channels
available.
The functionality of the voice channels has thus been proven.
9. Re-enable the voice channels that you disabled before. To this end, enter the fol-
lowing command to restart the TOS software component:
g quit
The TOS software component terminates the TELNET connection to the service
laptop and restarts.
10. Establish voice communication with the two radio sets once more to complete the
procedure.
11. Check whether both mobile stations can send and receive voice transmissions.
12. Terminate the voice communication.
13. First, enter the following command to enable all the carriers previously disabled:
bsce deblock x
x corresponds to the respective carrier
The check of the voice channel is complete.
7.5 Checking standby carriers – optional
ACCESSNET
®
-T IP optionally supports the operation of the DIB-500 R4.1 with up to
two standby carriers that replace up to two carriers that have dropped out with respect
to f frequency and function.
As a preventive maintenance measure, it is recommended to check the function of the
standby carriers at regular intervals, see section 10.1 on page 169. This is done via the
Network Management Client NMC-511 FaultManager.
Checking standby carriers
Preparation:
The respective DIB-500 R4.1 must be in operation.
The NMC-511 FaultManager must have been started.
Carry out the following steps:
1. Block the corresponding operational carrier with the NMC-511 FaultManager using
the System blocking maintenance function.
The corresponding carrier(s) are excluded from operational mode and identified
in the Equipment view with the "Hammer" icon.
Existing standby carriers are disabled.
2. In the NMC-511 FaultManager, check whether the standby carrier(s) are disabled
in the Equipment view and are not reporting any alarm.
Table 7.8 Required product documents
Product Document type Described in
NMC-511 FaultManager User Manual Chapter 4