Conel LR77 v2 - USB Port; USB Port Pinout; Connecting Devices to USB

CONFIGURATION
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1.10. GPRS configuration
The industrial router XR5i v2 is not availability item GPRS Configuration.
To enter the GPRS connection configuration select the GPRS menu item.
1.10.1.
GPRS connection
If the Create GPRS connection option is selected, the modem automatically tries
to establish GPRS connection after switching-on.
Item Description
APN Network identifier (Access Point Name)
Username User name to log into the GSM network.
Password Password to log into the GSM network.
Authentication Authentication protocol in GSM network
• PAP or CHAP – Router is chosen one of the authentication
methods.
• PAP – It is used PAP authentication method.
• CHAP – It is used CHAP authentication method.
IP Address IP address of SIM card. The user sets the IP address, only in the case IP
address was assigned of the operator.
Phone Number Telephone number to dial GPRS or CSD connection. Router as a default
telephone number used *99***1 #.
Operator This item can be defined PLNM preferred carrier code
Network type
• Automatic selection – The router automatically selects a specific
transmission method according to the availability of transmission
technology.
• Furthermore, according to the type of router - it is also possible to
select a specific method of data transmission (GPRS, EDGE,
UMTS …).
PIN PIN parameter should be set only if it requires a SIM card router. SIM card
is blocked in case of several bad attempts to enter the PIN.
MRU Maximum Receiving Unit) – it is the identifier of the maximum size
of packet, which is possible to receive in a given environment. Default
value is 1500 bytes. Other settings may cause incorrect transmission
of data.
MTU (Maximum Transmission Unit) – it is the identifier of the maximum size
of packet, which is possible to transfer in a given environment. Default
value is 1500 bytes. Other settings may cause incorrect transmission
of data.
Table 14: GPRS connection configuration
If the IP address field is not filled in, the operator automatically assigns the IP address
when it is establishing the connection. If filled IP address supplied by the operator, router
accelerate access to the network.
If the APN field is not filled in, the router automatically selects the APN by the IMSI
code of the SIM card. If the PLMN (operator number format) is not in the list of APN, then
default APN is “internet“. The mobile operator defines APN.