MRV Communications LX-4000 Series Modular Adapters, 10/100 Connector, Ordering Cables, 6 5 4 3 2

Appendix D - Cabling the LX-4000 Series

10/100 Connector

Figure 24 shows the standard 10/100 (RJ-45 jack) connector signal assignments.

	Pin	Signal
	1	TX+
	2	TX-
	3	RX+
	4	No Connect
	5	No Connect
	6	RX-
8 7 6 5 4 3 2 1	7	No Connect
	8	No Connect

Figure 24 - 10/100 Connector Assignments

Ordering Cables

MRV also supplies crossover cables and modular adapters for use with all LX-4000 Series units. To order cables, adapters or other cabling accessories from MRV, contact your Sales representative or distributor.

Modular Adapters

MRV provides the following modular adapters for use with LX-4000 Series units:

•Female DB-9 (PN MX-350-0308)

•Female DB-25 (PN MX-350-0181)

•Male DB-25 (PN MX-350-0179) – supports RING

•Male DB-25 (PN MX-350-0180) – supports RTS/CTS

This section describes the pinouts and wiring of the MRV-supplied DB-25 adapter.

Pin Assignments

The following table shows the pinouts for a standard RS-232 DB-25 connector.

Pin	Signal
1	Cable Shield
2	Transmit Data
3	Receive Data to DCE
4	RTS (Request to Send)
5	CTS (Clear to Send)
6	DSR (Data Set Ready)
7	Signal Ground
8	Data Carrier Detect

56 MRV Communications, Inc. www.mrv.com 451-0308