Mocomtech CDM-QX operation manual Quad E1 Data Interface Connectors

CDM-Qx Satellite Modem	Revision 5
External Connections	MN/CDMQx.IOM

4.4.8Quad E1 Data Interface Connectors

The (2) Data connectors on the Quad E1 interface card are 9-pin ‘D’ type female (DB- 9F). Refer to Table 4-xx for pin assignments. J1 and J2 are shown below. Also available is an adapter y-cable to adapt the DB9 to (2) RJ45 jacks, (part number PL/xxxTBD), see Table xx and figure xx.

Table 4-xx6. Quad E1 Data Interface J1 Connector Pin Assignments

Pin #	Signal Function	Name	Direction
5	DDI (+)	Port1_Tx+	In
9	DDI (-)	Port1_Tx–	In
4	IDO (+)	Port1_Rx+	Out
8	IDO (-)	Port1_Rx–	Out
3	Ground	Gnd	-
7	DDI (+)	Port2_Tx+	In
2	DDI (-)	Port2_Tx–	In
6	IDO (+)	Port2_Rx+	Out
1	IDO (-)	Port2_Rx–	Out
Table 4-xx7. Quad E1 Data Interface J2 Connector Pin Assignments

Pin #	Signal Function	Name	Direction
5	DDI (+)	Port3_Tx+	In
9	DDI (-)	Port3_Tx–	In
4	IDO (+)	Port3_Rx+	Out
8	IDO (-)	Port3_Rx–	Out
3	Ground	Gnd	-
7	DDI (+)	Port4_Tx+	In
2	DDI (-)	Port4_Tx–	In
6	IDO (+)	Port4 Rx+	Out
1	IDO (-)	Port4_Rx–	Out
Table 4-xx8. Ext Ref Clock Interface J3 Connector Pin Assignments

Pin #		Signal Function	Name	Direction
5	E1	Ref Clock In (+)	Ref_Clk_In (+)	In
9	E1	Ref Clock In (-)	Ref_Clk_In (+)	In
4	Not used		--	--
8	Not used		--	--
3	Ground		Gnd	-
7	Not used		--	--
2	Not used		--	--
6	E1	Ref Clock Out (+)	Ref_Clk_Out (+)	Out
1	E1	Ref Clock Out (-)	Ref_Clk_Out (+)	Out

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