Patton electronic 3120 - Manual (Page 271)

WAN Configuration—Modify 271
Model 3120 RAS Administrators’ Reference Guide 22 • T1/E1 Link
• t1pulse-7dB(3)—Medium pulse shape.
• t1pulse-15dB(4)—Weak pulse shape.
Yellow Alarm Format (linkYellowFormat)
This variable identifies which standard will be used to transmit and identify the Yellow Alarm.
• link YellowFormatBit2(1)—Bit-2 equal zero in every channel
• YellowFormatDL(2)—FF00 pattern in the Data Link
• YellowFormatFrame12FS(3)—FS bit of frame 12
FDL (dsx1FDL)
The framing bits used in a wide-area link that are used for control, monitoring, and testing. The following
options are available:
• other(1)—Indicates that a protocol other than one following is used.
• dsx1Ansi-T1-403(2)—Refers to the FDL exchange recommended by ANSI.
• dsx1Att-54016(3)—Refers to ESF FDL exchanges.
• dsx1Fdl-none(4)—Indicates that the device does not use the FDL.
Note This is valid for T1 only.
Signalling Settings
This portion of the WAN Circuit Configuration window contains information described in the following
sections.
Signal Mode (dsx1SignalMode)
• none(1)—Indicates that no bits are reserved for signaling on this channel.
• robbedBit(2)—Indicates that T1 Robbed Bit Signaling is in use.
• bitOriented(3)—Indicates that E1 Channel Associated Signaling is in use.
• messageOriented(4)—Indicates that Common Channel Signaling is in use either on channel 16 of an E1
link or channel 24 of a T1.
Robbed-Bit Signalling Protocol (linkSignalling)
This variable determines which robbed bit signalling technique is used. The techniques designated OFFICE
are used to simulate the central office site. These allow back to back connection of access servers. This is set
only when the signal mode is robbedBit(2)
• linkGroundStart(1)
• linkLoopStart(2)
• linkOfficeGroundStart(3)
• linkOfficeLoopStart(4)
• linkEMWinkStart(6)