Table Of Contents

Cable and Port Pinouts

Ethernet Cable Connector Pinouts

MT-RJ Ethernet Connector Pinouts

Console Port Pinouts

GBIC Cable Distances and Modal Bandwidths

Cable and Port Pinouts

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This appendix lists the pinouts for the Ethernet cable connector and ports on the Catalyst 8540 CSR route processor. This section also lists the Gigabit Interface Converter (GBIC) cable distances and module bandwidths. It includes the following sections:

• Ethernet Cable Connector Pinouts

• MT-RJ Ethernet Connector Pinouts

• Console Port Pinouts

• GBIC Cable Distances and Modal Bandwidths

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Note Pins not listed are not connected.

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Ethernet Cable Connector Pinouts

The Ethernet ports on the route processor and the 10/100BaseT interface module are RJ-45 receptacles. Table B-1 lists the Ethernet cable connector pinouts.

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Note The Ethernet port on the route processor is not routable.

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Table B-1 RJ-45 Ethernet Cable Connector Pinouts

Pin	Signal	Direction	Description
1	RxD+	<—	Receive data +
2	RxD-	<—	Receive data -
3	NC	—	No connection
4	NC	—	No connection
5	NC	—	No connection
6	NC	—	No connection
7	TxD+	—>	Transmit data+
8	TxD-	—>	Transmit data -

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Note To connect a Catalyst 8540 CSR chassis to a router (such as the Cisco 7500 router) use a straight-through unshielded twisted pair (UTP) cable. To connect the chassis to a switch (such as the Catalyst 5500 switch), use a crossover UTP cable.

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MT-RJ Ethernet Connector Pinouts

The Ethernet ports on the 100BaseFX interface module are MT-RJ receptacles. Table B-2 lists the Ethernet cable connector pinouts.

Table B-2 MT-RJ Ethernet Cable Connector Pinouts

Pin	Signal	Direction	Description
1	VeeRX	—	Receiver signal ground
2	VccRX	<—	Receive power supply
3	SD	—	Signal Detect
4	RD-	<—	Receiver data-
5	RD+	<—	Receiver data+
6	VccTX	—>	Transmit Power supply
7	VeeTX	—>	Transmit signal ground
8	Tdis	—	Transmit disable
9	TD+	—>	Transmit data+
10	TD-	—>	Transmit data-

Console Port Pinouts

The console port on the route processor is an EIA/TIA-232 DCE DB-25 receptacle. Both data set ready (DSR) and data carrier detect (DCD) are active when the system is running. The Request To Send (RTS) signal tracks the state of the Clear To Send (CTS) input. The console port does not support modem control or hardware flow control. The console port requires a straight-through EIA/TIA-232 cable. Table B-3 lists the console port pinouts.

Table B-3 DB-25 Console Port Pinouts

Pin	Signal	Direction	Description
1	Gnd	—	Ground
2	TxD	<—	Transmit data
3	RxD	—>	Receive data
4	RTS	—>	Ready to send1
5	CTS	—>	Clear to send1
6	DSR	—>	Data set ready (always on)2
7	GND	—	Ground
8	DCD	—>	Data carrier detect (always on)2
20	DTR	<—	Data terminal ready
Shield	Gnd	—	Shield ground

1 Pins 4 and 5 are connected. 2 Pins 6 and 8 are connected.

GBIC Cable Distances and Modal Bandwidths

A GBIC has two pinouts: receive and transmit. The connectors are multimode fiber or single-mode fiber. Table B-4 lists the cable distances and modal bandwidth for GBICs.

Table B-4 GBIC Cable Distances and Modal Bandwidths

GBIC	Wavelength (nm1 )	Fiber Type	Core Size (microns)	Modal Bandwidth (MHz-km2 )	Cable Distance
SX3	850	MMF4 SMF	62.5 62.5 50.0 50.0	160 200 400 500	722 ft (200 m) 902 ft (275 m) 1620 ft (500 m) 1804 ft (550 m)
LX/LH5	1300	MMF SMF6 (LX/LH)	62.5 50.0 50.0 9/10	500 400 5000 ---	1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 32,810 ft (10 km)
ZX7	1550	SMF	Not conditional	---	70 to 100 km

1 nm = nanometers. 2 MHz-km = Signal bandwidth in MHz transmitted over a distance of 1 km. 3 SX = short wavelength. 4 MMF = multimode fiber. 5 LX/LH = long wavelength/long haul. 6 SMF = single-mode fiber. 7 ZX = extended distance.