Cisco Systems UBR900 Physical transmit registers are displayed in the following example:

show controllers cable-modem phy
104 Cisco IOS Release 12.0(7)T
ldsft=B0EE ldsnre=0098AF ldif=0D004E ldbbi=00000000
ldbbq=00000000 ldali=032E00 ldaii=E62AF2 ldbrfo=705A05
ldbri=F9CDC200 lddrfo=007E7D lddri=007EF0
FEC correctable error count: 0
FEC uncorrectable error count: 0
Bit Error Rate Count: 0
Physical transmit registers are displayed in the following example:
uBR924# show controllers cable-modem 0 phy transmit
BCM3037 Transmitter Registers:
part_id = 3037 rev_id = 01
test_mode = 00 test_input = 00
test_misc = 2009 rst = 00
power = 0000 power_2 = 00
port = 6F pll = F7
map = 66 mod = 28
tx_oen_bdly = 14 tx_oen_edly = C8
prbs_cfg = 00C000 baud = 1A36E3
burst = 0000 if_freq = 200000
dac = 37 tx_config = 00
burst config 0 : prbs_init = FFFFFF rs = 343E
fec = 00 qam = 01
pream_len = 0018 offset = 0000
burst config 1 : prbs_init = FFFFFE rs = 033B
fec = 1C qam = 65
pream_len = 0000 offset = 0000
burst config 2 : prbs_init = FFFFFE rs = 033B
fec = 1D qam = 65
pream_len = 0000 offset = 0000
burst config 3 : prbs_init = FFFFFE rs = 033B
fec = 1E qam = 65
burst config 4 : prbs_init = FFFFFE rs = 033B
fec = 1F qam = 65
pream_len = 0000 offset = 0000
burst config 5 : prbs_init = FFFFFE rs = 033B
fec = 0F qam = 66
pream_len = 0000 offset = 0000
Eq Coeff:
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Preamble values:
CC CC CC CC CC 0D 0D CC CC CC CC CC CC CC CC 0D
04 25 01 01 01 01 02 01 02 03 02 00 40 04 02 00
40 05 01 00 06 01 10 07 02 01 52 08 01 01 09 01
08 0A 01 01 0B 01 02 04 25 03 01 01 01 02 01 02
03 02 00 50 04 02 00 30 05 01 00 06 01 22 07 02
01 52 08 01 00 09 01 30 0A 01 01 0B 01 02 04 25
04 01 01 01 02 01 02 03 02 00 40 04 02 00 40 05
01 00 06 01 22 07 02 01 52 08 01 00 09 01 30 0A