I do not see my previous message but here it is:
Rola has almost reproduce our configuration.
To use DCDM for repeating you need RX and TX radios in both in DCDM mode with the following settings:
DCDM Repeater Tx Radio:
DCDM, Slot2, Preferred Timing Leader
Rx Groups List <- None
Contact <- TG222
DCDM Repeater DM4600 Rx Radio:
DCDM, Slot1, Ineligible, Rx Only
Rx Groups List <- TG111
Contact <- None
Subscriber Unit’s Programming:
Selected Chan: Role=DCDM Tx: DCDM, Slot1, Eligible, ScanList1, Scan Auto Start,
Rx Groups List <- None (111*), Contact <- TG111
Channel Pool: Role=DCDM Rx: DCDM, Slot 2, Eligible, Rx Groups List <- TG222, Contact <- None
ScanList1<-Selected + ChanPool, Tx Designated Channel <- Selected
* Contact’s Talk Group ID s are always included into the Rx Group List even if it’s set to None
Single frequency DSDM repeater receives TG211 on uplink time slot 1 and transmit to TG222 on downlink time slot 2
Repeater RX radio is Ineligible to be the timing leader and has to be programmed to work in Rx only mode to avoid damage to electronic T/R switch
Repeater Tx radio is Preferred timing leader for all SU radios in it’s coverage area and its own Rx radio
Repeater Rx radio is switched off common antenna by repeater’s TX radio output RF power controlled T/R switch on PIN diodes
All SU are Eligible to be the timing leader to talk to each other directly on the repeater’s uplink time slot 1
SU transmit on the selected channel uplink time slot 1 and scan pool’s channel for downlink time slot 2
No channel switching is necessary to move from direct mode communication between SUs to repeater use as both channels' Call ID from the Contact Name are automatically added to the RX Group List on those channels by default.
No tricks, just proper radios programming. All /\/\ CSRs in Eu know about that for two years now.
