Cisco Systems ME3600X24CXM manual Bits Port, Alarm Input Port

Chapter 1 Product Overview

Front Panel

Figure 1-2shows the Cisco ME-3600X-24TS-M. The copper 10/100/1000Base-T/TX downlink ports are grouped in pairs. The first member of the pair (port 1) is above the second member (port 2). Port 3 is above port 4, and so on.

Figure 1-2 Cisco ME-3600X-24TS-M Front Panel

1 5 6

	SYST	M GM T	BITS
	PS IN 1	SYNC		M G M T
	PS IN 2	ALM 1
	PS/FAN 1	ALM 2		1X	1	2
	PS/FAN 2	ALM 3				3	4
		ALM 4					5	6	8
	SD CARD							7		10
									9		12
										11
											11X
											13X	13	14	16
			ALARM S										15
				CO NSO LE										17	18	19	20
																	21 22	24
																	23
																		23X
				2X
											12X
											14X
																		1
	2																	24X
																		2
			3	4
											7
																		8
1	LEDs													5			BITS port
2 SD flash card slot														6			Ethernet management port
3	Alarm input port													7			10/100/1000BASE-T/TX ports (downlink)
4	Console port													8 SFP+ module slots (uplink)

BITS Port

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The Building Integrated Timing Supply (BITS) port is an RJ-45 interface that provides external synchronized clocking through a timing signal generator (TSG). The BITS input is an external timing reference that must be traceable to a stratum 3 clock or better. The BITS port on the switch can be configured to accept either a T1 or an E1 framed input. Although this clock input is T1 or E1 framed, it does not carry data and cannot be used for any other purpose than to derive clocking for the system.

Alarm Input Port

The switch supports four alarm inputs. The alarm input is a dry-contact alarm port. Use the CLI to define each alarm input to respond to a normally open or closed dry-contact closure and to define the alarm severity as minor, major, or critical. When a condition triggers an alarm, the console displays an alarm message, and the corresponding Alarm LED responds (see the “Alarm LEDs Description” section on page 1-9).

Cisco ME 3800X and ME 3600X Switch Hardware Installation Guide

OL-22168-01 1-3