Datasheet
____________________________________________________ DS34T101, DS34T102, DS34T104, DS34T108
178 of 366
Bits Data Element Name R/W
Reset
Value
Description
[31:22] Reserved R/W None Must be set to zero
[21:20] Payload_type_machine R/W None
00 = HDLC
01 = AAL1
10 = Reserved
11 = SAToP/CESoPSN
[19] Tx_RTP R/W None
0 = RTP header does not exist in transmitted packets
1 = RTP header exists in transmitted packets
[18] Control_Word_exists R/W None
0 = Control word does not exist
1 = Control word exists (default, standard mode)
[17:16] Tx_dest R/W None
Destination of packets:
00 = Reserved
01 = Ethernet
10 = CPU
11 = Reserved
[15:11] Reserved R/W None Must be set to zero.
[10:9] Packet_SN_mode R/W None
Transmitted and expected sequence number is:
00 = Always 0
01 = Incremented normally in wrap-around manner
10 = Reserved
11 = Incremented in wrap-around manner but skips 0
[8:3] Reserved R/W None Must be set to zero.
[2:1] Header_type R/W None
00 = MPLS
01 = UDP over IP
10 = L2TPv3 over IP
11 = MEF
[0] Tx_R_bit R/W None
0 = Don’t set R bit in header of transmitted packets
1 = Set R bit
HDLC_Bundle[n]_cfg[95:64] 0x200+n*4
Bits Data Element Name R/W
Reset
Value
Description
[31:16] Reserved R/W
None
Must be set to zero
[15:13] Reserved R/W
None
Must be set to zero
[12:2] Tx_max_frame_size R/W
None
Tx HDLC maximum transmitted packet size in bytes.
This does not include FCS.
[1:0] Reserved R/W
None
Must be set to zero
HDLC_Bundle[n]_cfg[127:96] 0x300+n*4
Bits Data Element Name R/W
Reset
Value
Description
[31:28] Reserved R/W
None
Must be set to zero
[27] Tx_stop R/W
None
0 = Send one packet with the 1st header
1 = Stop transmission
[26:13] Reserved
None
Must be set to zero
[12] OAM_ID_in_CW R/W
None
0 = Ignore the OAM packet indication in the control word
1 = Check the OAM packet indication in the control word
[11] Rx_discard R/W
None
0 = Pass through all incoming packets
1 = Discard all incoming packets
[10] Rx_dest R/W
None
0 = TDM
1 = CPU
[9:8] Tx_MPLS_lables_l2tpv3_cookies R/W
None
For MPLS:
00 = Reserved
01 = One label in the TX MPLS stack
10 = Two labels in the TX MPLS stack
11 = Three labels in the TX MPLS stack
For L2TPv3: