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9: PC Cards
SLB™ Branch Office Manager User Guide 119
Parity
Parity checking is a rudimentary method of detecting
simple, single-bit errors. From the drop-down list, select the
parity. The default is none.
Stop Bits
The number of stop bit(s) used to indicate that a byte of
data has been transmitted. From the drop-down list, select
the number of stop bits. The default is 1.
Flow Control
A method of preventing buffer overflow and loss of data.
The available methods include none, xon/xoff (software),
and RTS/CTS (hardware). The default is none.
ISDN Settings
Note: These fields are disabled if the PC Card inserted is not an ISDN card.
Channel
Select to indicate which B channel on the ISDN card to
use. Valid values are 1 and 2. (The B-channel is the
channel that carries the main data.) Only one 64K channel
can be used at a time.
Phone Number
Phone number associated with the B channel. May have
up to 20 characters. Any format is acceptable.
GSM/GPRS Settings
These settings are only active when a GSM/GPRS PC card modem is in the appropriate
slot.
Notes:
Please consult your wireless carrier's configuration requirements for more
detailed information.
Dial-out GPRS connections may replace the default route and DNS entries.
Static routes may be required to maintain access to subnets that are not directly
attached to the SLB branch office manager. Click the Static Routes link (above
Data Settings) to configure a static route. (See Routing on page 58.)
Dial-out Mode
Select the type of dial-out connection:
GPRS: (General Packet Radio Service)
GSM: (
Global System for Mobile communication)
PIN and Retype
PIN
PIN (personal identification number) for accessing the
GSM/GPRS card.
GPRS Context
Command to specify the protocol data packet (PDP)
context parameter values.
PPP Compression
Select to enable negotiation of data compression over PPP
links. Disabled by default.
GSM Bearer Svc.
Command to select the bearer service, data rate, and
connection element to use when data call originate.
Auto-acquire DNS
Select to enable the SLB device to acquire up to three
DNS servers by means of GPRS. Enabled by default.