1.1 General Features
Feature Manual
127
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
•
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
3.2.3 Accessing PBX via Internal Modem
Programming Manual References
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
DISA
: Using a telephone, dial the telephone number to reach
1.1.41 Direct Inward System Access (DISA)).
[414-416] CO Line Mode—Day/Night/Lunch).
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 (
1.1.25 Call Transfer—To Extension).
User-supplied
modem
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