often receives BAD FCS errors

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try changing

TE_CLOCK to slave

Torrey

2011/4/20 ??? <tprax634 at hotmail.com>:
> Hi,
>
> Anybody knows why my mtp2 link works fine but continuously appears BAD FCS
> errors? What causes this error?
>
>
> Here is my conf:
> 1.dahdi/system.conf
>
> loadzone=us
> defaultzone=us
>
> #Sangoma A102 port 1 [slot:4 bus:4 span:1] <wanpipe1>
> span=1,1,0,ccs,hdb3,crc4
> bchan=1-15,17-31
> mtp2=16
>
> #Sangoma A102 port 2 [slot:4 bus:4 span:2] <wanpipe2>
> span=2,2,0,ccs,hdb3,crc4
> bchan=32-46,48-62
> mtp2=47
>
> 2.wanpipe/wanpipe1.conf
>
> [devices]
> wanpipe1 = WAN_AFT_TE1, Comment
>
> [interfaces]
> w1g1 = wanpipe1, , TDM_VOICE, Comment
>
> [wanpipe1]
> CARD_TYPE       = AFT
> S514CPU         = A
> CommPort        = PRI
> AUTO_PCISLOT    = NO
> PCISLOT         = 4
> PCIBUS          = 4
> FE_MEDIA        = E1
> FE_LCODE        = HDB3
> FE_FRAME        = CRC4
> FE_LINE         = 1
> TE_CLOCK        = MASTER
> TE_REF_CLOCK    = 0
> TE_SIG_MODE     = CCS
> TE_HIGHIMPEDANCE        = NO
> TE_RX_SLEVEL    = 430
> LBO             = 120OH
> FE_TXTRISTATE   = NO
> MTU             = 1500
> UDPPORT         = 9000
> TTL             = 255
> IGNORE_FRONT_END        = NO
> TDMV_SPAN               = 1
> TDMV_DCHAN              = 0
> TE_AIS_MAINTENANCE = NO         #NO: defualt  YES: Start port in AIS Blue
> Alarm and keep line down
>                                 #wanpipemon -i w1g1 -c Ttx_ais_off to
> disable AIS maintenance mode
>                                                                 #wanpipemon
> -i w1g1 -c Ttx_ais_on to enable AIS maintenance mode
> TDMV_HW_DTMF            = NO            # YES: receive dtmf events from
> hardware
> TDMV_HW_FAX_DETECT              = NO            # YES: receive fax 1100hz
> events from hardware
> HWEC_OPERATION_MODE     = OCT_NORMAL    # OCT_NORMAL: echo cancelation
> enabled with nlp (default)
>
> # OCT_SPEECH: improves software tone detection by disabling NLP (echo
> possible)
>
> # OCT_NO_ECHO:disables echo cancelation but allows VQE/tone functions.
> HWEC_DTMF_REMOVAL       = NO    # NO: default  YES: remove dtmf out of
> incoming media (must have hwdtmf enabled)
> HWEC_NOISE_REDUCTION    = NO    # NO: default  YES: reduces noise on the
> line - could break fax
> HWEC_ACUSTIC_ECHO       = NO    # NO: default  YES: enables acustic echo
> cancelation
> HWEC_NLP_DISABLE        = NO    # NO: default  YES: guarantees software tone
> detection (possible echo)
> HWEC_TX_AUTO_GAIN       = 0     # 0: disable   -40-0: default tx audio level
> to be maintained (-20 default)
> HWEC_RX_AUTO_GAIN       = 0     # 0: disable   -40-0: default tx audio level
> to be maintained (-20 default)
> HWEC_TX_GAIN            = 0             # 0: disable   -24-24: db values to
> be applied to tx signal
> HWEC_RX_GAIN            = 0             # 0: disable   -24-24: db values to
> be applied to tx signal
>
> [w1g1]
> ACTIVE_CH       = ALL
> TDMV_HWEC       = NO
> MTU             = 8
>
>
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