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S:\Hp8960\E1960A GSM Mobile Test Application\A.04 Release\Reference_Manual\Chapters\hpib_call_tchannel.fm
CALL:TCHannel
CALL:TCHannel:LOOPback
CALL:TCHannel:TSLot
Function
Sets traffic channel loopback state and type for the MS.
The loopback type must be set before a Fast Bit Error or a Bit Error
measurement will function.
The test set will automatically set the correct loopback type if the
signalling loopback control is set to on, after the measurement the test
set will automatically set the loopback to off. See
“SETup:BERRor:SLControl” on page 389
“SETup:FBERror:SLControl” on page 395
See
“Fast Bit Error Measurement Description” on page 69
Measurement Description” on page 48
Setting
range:
• OFF - Sets the TCH Loop state for the MS to OFF. The loop back is
open.
• A- Sets the TCH Loop state for the MS to type A. Full-rate speech
TCH loopback with signaling of erased frames, (residual).
• B- Sets the TCH Loop state for the MS to type B. Full-rate speech
TCH loopback without signalling of erased frames, (non-residual).
• C - Sets the TCH Loop state for the MS to type C. TCH burst by burst
loopback.
*RST Setting
OFF
Programming Example
OUTPUT 714;”CALL:TCHANNEL:LOOPBACK C” !Sets loopback type.
Function
Sets the Timeslot number used for downlink and uplink Traffic Channel.
See
“Configuring the Traffic Channel (TCH)” on page 521
Additional commands can be appended to aid in controller/Mobile
Station synchronization. See
“Call Processing Subsystem Overlapped
Command Synchronization Commands” on page 31
for examples.
Setting
range: 3 | 4 | 5
resolution: 1
Query
range: 3 | 4 | 5
resolution: 1
*RST Setting
4
Programming Example
OUTPUT 714;”CALL:TCHANNEL:TSLOT 5” !Sets time slot number.
Содержание 8960 Series 10
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