The WAN Port Software Menu
Page 28-26
T1/E1 Starting Time Slot
This field specifies the first time slot number to use on a T1 or E1 port. For a full T1 or E1
connection, specify time slot 1. For a fractional T1 or E1 connection, set this field to the
starting time slot number as specified by your service provider.
T1/E1 Number of Time Slots
This field specifies the total number of 64 kbps time slots to use on the T1 or E1 connection.
For a full T1, set this number to 24. For a full E1 connection, set this number to 30 if you are
running multiframe; otherwise, set to 31. For fractional T1 or E1, you must set the number of
time slots to the value specified by your service provider. For example, a 256 kbps service
uses four time slots (4 x 64 = 256).
TOS for Voice Data
Set the priority for voice data streams. The value must be entered in hexadecimal format
translated from binary, and can use either IP Precedence or Differentiated Services Code Point
(DSCP). Enter 0 to disable this feature. See Type of Service (ToS) on page 28-2 above for a
more detailed explanation of ToS.
TOS for Voice Signaling Data
Set the priority for voice signaling data streams. The value must be entered in hexadecimal
format translated from binary, and can use either IP Precedence or Differentiated Services
Code Point (DSCP). Enter 0 to disable this feature. See Type of Service (ToS) on page 28-2
above for a more detailed explanation of ToS.
TOS Mask for both TOS Value
Set the mask bits for both voice data and signaling data. Enter 0 to disable this feature.
Signaling IP Address
When a data frame cannot be identified by the ToS voice data or ToS signaling data, the
Signaling IP Address is checked. Matched frames are loaded on a High Priority Software
Queue and a Nominal Hardware Queue.
Signaling IP Mask
The mask associated with the Signaling IP Address described above.
KeepAlive Up Count
If the switch detects that a port may be down, it will generate echo message requests to the
far end of the connection. The KeepAlive Up Count is the number of requests sent from the
port when the port transitions from Down to Up, to verify the status of the port. The valid
range is 0-255.
KeepAlive Down Count
If the switch detects that a port may be down, it will generate echo message requests to the
far end of the connection. The KeepAlive Down Count is the number of requests sent from
the port when the port transitions from Up to Down, to verify the status of the port. This only
displays if the port is using PPP as its encapsulation type. The valid range is 0-255.