TDM Bus Configurations

Independent Direct Mode

In this mode, PA(7) = SWMODE_N = 1 and PA(0) = COMCLK_N = 1.

In independent direct mode, each framer can have its own rhythm. Each QuadFALC TDM bus is directly tied to a CPM TDM bus and has its own clock and frame synchronization signal provided by the QuadFALC. In NT mode, each framer can synchronize on an external network reference clock provided on connector P4.

Figure 1-12, Figure 1-13, and Figure 1-14show the specific implementation of this mode. Grey lines indicate unused connections.

Table 1-31. TDM and Synchronization Signals in Independent Direct Mode

2XWSXW￿

,QSXW￿V￿

'HVFULSWLRQ

 

 

 

5'2B￿￿

7'0D￿B5;

￿￿0E￿V￿UHFHLYHG￿GDWD￿IURP￿WKH￿(￿￿7￿￿OLQH￿

￿4XDG)$/&￿

 

 

 

 

 

7'0D￿B7;￿￿&30￿￿

;',B￿

￿￿0E￿V￿WUDQVPLW￿GDWD￿IRU￿WKH￿(￿￿7￿￿OLQH￿￿

 

 

 

)6&

53$￿￿

￿￿￿.+]￿V\QFKURQL]DWLRQ￿SXOVH￿JHQHUDWHG￿E\￿WKH￿'&2￿5￿XVHG￿

￿4XDG)$/&￿

;3$￿￿￿

IRU￿WKH￿7'0￿IUDPH￿V\QFKURQL]DWLRQ￿FORFN￿￿53$￿￿LQSXW￿LV￿

 

7'0D￿B/￿56<1&

FRQILJXUHG￿DV￿6<35￿DQG￿XVHG￿IRU￿WKH￿5HFHLYH￿)UDPH￿

 

 

6\QFKURQRXV￿3XOVH￿￿&05￿￿,563 ￿￿￿￿;3$￿￿LV￿FRQILJXUHG￿DV￿

 

 

6<3;￿DQG￿XVHG￿IRU￿WKH￿7UDQVPLW￿)UDPH￿6\QFKURQRXV￿3XOVH￿

 

 

￿&05￿￿,;63 ￿￿￿￿7'0D￿￿UHFHLYH￿DQG￿WUDQVPLW￿FORFNV￿DUH￿

 

 

FRPPRQ￿￿6,￿$05￿&57 ￿￿￿

 

 

 

5&/.￿

6&/.5￿

￿￿￿￿￿￿0+]￿GHMLWWHUHG￿FORFN￿JHQHUDWHG￿E\￿WKH￿'&2￿5￿FLUFXLW￿￿

￿4XDG)$/&￿

6&/.;￿

RXWSXW￿RQ￿5&/.￿￿￿3&￿￿&53 ￿￿￿DQG￿XVHG￿IRU￿WKH￿7'0￿EXV￿

 

7'0D￿B/￿5&/.

FORFN￿￿6&/.5￿￿LQSXW￿LV￿XVHG￿IRU￿WKH￿5HFHLYH￿6\VWHP￿&ORFN￿

 

 

￿&05￿￿,56& ￿￿￿￿6&/.;￿￿LQSXW￿LV￿XVHG￿IRU￿WKH￿7UDQVPLW￿

 

 

6\VWHP￿&ORFN￿￿&05￿￿,;6& ￿￿￿DQG￿SURYLGHV￿WKH￿WUDQVPLW￿

 

 

UK\WKP￿WR￿WKH￿'&2￿;￿FLUFXLW￿￿7'0D￿￿UHFHLYH￿DQG￿WUDQVPLW￿

 

 

FORFNV￿DUH￿FRPPRQ￿￿6,￿$05￿&57 ￿￿￿

 

 

,Q￿/7￿PRGH￿￿WKH￿LQSXW￿RI￿WKH￿'&2￿5￿LV￿WKH￿UHFRYHUHG￿OLQH￿

 

 

FORFN￿

 

 

,Q￿17￿PRGH￿￿WKH￿'&2￿5￿V\QFKURQL]HV￿RQ￿WKH￿H[WHUQDO￿6<1&￿

 

 

VLJQDO￿￿:KHQ￿QR￿UHIHUHQFH￿FORFN￿LV￿SURYLGHG￿RQ￿6<1&￿￿

 

 

'&2￿5￿LV￿LQ￿IUHH￿UXQQLQJ￿PRGH￿

5'2B￿￿

7'0E￿B5;

￿￿0E￿V￿UHFHLYHG￿GDWD￿IURP￿WKH￿(￿￿7￿￿OLQH￿

￿4XDG)$/&￿

 

 

 

 

 

7'0E￿B7;￿￿&30￿￿

;',B￿

￿￿0E￿V￿WUDQVPLW￿GDWD￿IRU￿WKH￿(￿￿7￿￿OLQH￿￿

 

 

 

53$￿

7'0E￿B/￿56<1&

￿￿.+]￿IUDPH￿V\QFKURQL]DWLRQ￿SXOVH￿JHQHUDWHG￿E\￿WKH￿'&2￿5￿￿￿

￿4XDG)$/&￿

 

DQG￿RXWSXW￿RQ￿53$￿￿FRQILJXUHG￿DV￿5)0￿￿7KH￿5HFHLYH￿)UDPH￿

 

 

6\QFKURQRXV￿3XOVH￿DQG￿WKH￿7UDQVPLW￿)UDPH￿6\QFKURQRXV￿

 

 

3XOVH￿DUH￿LQWHUQDOO\￿JHQHUDWHG￿￿￿&05￿￿,563 ￿￿￿

 

 

&05￿￿,;63 ￿￿￿￿7'0E￿￿UHFHLYH￿DQG￿WUDQVPLW￿FORFNV￿DUH￿

 

 

FRPPRQ￿￿6,￿%05￿&57 ￿￿￿

42

Interphase Corporation