Table 7-13. Trunk I Signaling Events System Initiated Phone Interconnect Testing
SIGNALING EVENT DESCRIPTION
F Control Channel Idle
The trunking analyzer outputs a background pattern on the control channel to
lock the radio.
G Transpond OSW Sent The trunking analyzer sent the Transpond OSW to the radio.
H Transpond OSW Received The trunking analyzer detected the Transpond ISW from the radio.
I Ring OSW Sent The trunking analyzer sent the Ring OSW to the radio.
J ISW Received
The radio sent an Inbound Signaling Word (ISW) on the control channel to
indicate the radio has been keyed.
Q Channel Grant OSW Sent
The trunking analyzer sends channel grant OWSs on the control channel.
Channel grants direct the radio to the voice channel to use.
R HS Data Sent On VC
At the same time as the Channel Grant, the trunking analyzer sends high-speed
data on the voice channel.
U LS Word Sent On VC The trunking analyzer sends a low-speed data word on the voice channel.
Y Hangup Received The trunking analyzer decoded the Hangup ISW from the radio.
Table 7-14. Trunk I EP II Signaling Events System Initiated Phone Interconnect Testing
SIGNALING EVENT DESCRIPTION
F Control Channel Idle
The trunking analyzer outputs a background pattern on the control channel to lock the
radio.
G Transpond OSW Sent The trunking analyzer sent the Transpond OSW to the radio.
H Transpond OSW Received The trunking analyzer detected the Transpond ISW from the radio.
I Ring OSW Sent The trunking analyzer sent the Ring OSW to the radio.
J ISW Received
The radio sent an Inbound Signaling Word (ISW) on the control channel to indicate
the radio has been keyed.
Q Channel Grant OSW Sent
The trunking analyzer sends channel grant OWSs on the control channel. Channel
grants direct the radio to the voice channel to use.
U LS Word Sent On VC The trunking analyzer sends a low-speed data word on the voice channel.
Y Hangup Received The trunking analyzer decoded the Hangup ISW from the radio.
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