Enterasys Networks XSR-3150 manual Port Serial NIM Card Port, 21 DTE

Cable, CompactFlash and Accessory Specifications

2/4-Port Serial NIM Card Port

The High Speed Serial NIM card, as shown in Figure A-6, provides a WAN interface supporting a serial link to four different types of DTEs: DB-15, 25, 37, and V.35. This interface supports dual and quad traffic up to 8 Mbps.

Figure A-6 High Speed Serial NIM Port

68-pin Serial Pin 1

	Pin 68
Refer to Figure A-7through Figure A-11for pinout assignments.
	Figure A-7 X.21 DTE Pin Assignments
J1	J2				X.21 DTE			J4
						Receive2+
				19				4
3	Receive0+	4
	Receive0-		J1 - 68-pin male SCSI III type connectorReceive2-					11
11		11		27		Transmt2+
	Transmt0+		J2...J5 - DB-15 type male connector					2
5		2		21		Transmit2-
	Transmit0-			26				9
10		9				Control2+
	Control0+			20				3
4		3				Control2-
	Control0-			23				10
7		10				Indication2+
				PORT 1				5
6	Indication0+	5		22		Indication2-
				24				12
	Indication0-
8		12				Timing2+
				31				6
	Timing0+
15		6				Timing2-
			Notes: 32					13
	Timing0-
16		13				Signal GND
	Signal GND		1	25	- Indicates Twisted Pair			8
9		8	.	30		Signal GND
14	Signal GND		2. Shield GND is braid on braided cable				Shield GND	1
			3. Shield GND is drain wire on foil shield cable
	Shield GND	1
			4. Braid or foil must enter and make contact					J5
	J3			inside metal connector hood		Receive3+		4
				53		Receive3-
37	Receive1+	4	5. All connectors must be metal					11
	Receive1-			61		Transmt3+
45		11	6. Pins not shown are unused					2
	Transmt1+			55		Transmit3-
39		2		60				9
	Transmit1-					Control3+
44		9		54				3
	Control1+					Control3-
38		3		57				10
	Control1-					Indication3+
41		10		56				5
	Indication1+			PORT 2		Indication3-
40		5		58				12
						Timing3+
42	Indication1-	12		65				6
						Timing3-
49	Timing1+	6		66				13
	Timing1-			59		Signal GND		8
50		13
						Signal GND
	Signal GND			64
43		8
							Shield GND
	Signal GND							1
48
	Shield GND
		1
	J4
19	Receive2+	4
	Receive2-
J1: 68-pin male SCSI II type connector		11
27	Transmt2+
21		2
J2 - J5: DB-15 type male connector
26	Transmit2-	9
	C t l2+

XSR Getting Started Guide A-7