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2.3 System Data Control
Feature Guide 173
2. Connection Methods for Remote Programming
Conditions
• Only one system programming session is permitted at a time. Access will be denied to a second party
who tries to perform system programming, including system programming via a PT.
• System programming can be performed either in interactive or batch mode.
• System Password
To access system programming in interactive mode, a valid password must be entered. The password
is set at the factory but can be changed through system programming ( System Password [002]).
• A user can upload system programming data from a PC to the PBX or download it from the PBX to a
PC.
• If communications between the PBX and PC fail before completing Firmware Upgrade or system
programming data upload from a PC to the PBX, the successfully transferred portion of the data can
still be used.
• Firmware Upgrade can be performed only through on-site programming using Serial Interface (RS-
232C port) or USB.
Installation Manual References
3.2.1 Connection
3.2.3 Accessing PBX via Internal Modem
Feature Guide References
1.1.1.1 Direct In Line (DIL)
Method Description
Required
Hardware
Remote modem Call the PBX and have the call directed to the internal modem
using one of the following methods:
Direct Access: Using a modem, dial the telephone number to
connect to the internal modem. To use this feature, "MODEM"
must be selected as the distribution method for the desired
outside (CO) line port (
CO Line Mode—Day/Night/Lunch
[414-416]).
DISA: Using a telephone, dial the telephone number to reach
the DISA line ( 1.15.6 Direct Inward System Access (DISA)).
After hearing a DISA outgoing message (OGM), enter the
Remote Maintenance feature number to access the internal
modem. To use this feature, "DISA" must be selected as the
distribution method for the desired outside (CO) line port (
CO Line Mode—Day/Night/Lunch [414-416]).
Call Transfer: Using a telephone, call an extension user, such
as the operator, to request to be transferred to the internal
modem using the Remote Maintenance feature number (
1.11.1 Call Transfer).
User-supplied
modem