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Table of Contents

Cable and Port Pinouts

Cable and Port Pinouts

This appendix lists the pinouts and cabling information for the route processor and interface modules, and includes the following sections:


Note Pins not listed are not connected.

Ethernet Cable Connector Pinouts

The Ethernet ports on the route processor and the unshielded twisted pair (UTP) interface module are RJ-45 receptacles. Table B-1 lists the Ethernet cable connector pinouts.


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


Table B-1: Ethernet Cable Connector (RJ-45) 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 -


Note To connect a Catalyst 8510 to a router (such as the Cisco 7500) with UTP cable, use a straight cable. To connect the device to a switch (such as the Catalyst 5500), use a crossover cable.

Auxiliary Port Pinouts

The auxiliary port on the route processor is an EIA/TIA-232
data terminal equipment (DTE), DB-25 plug to which you can attach
a CSU/DSU, or other equipment, to access the device from the network.
Table B-2 lists the auxiliary port pinouts.


Table B-2: Auxiliary Port (DB-25) Pinouts
Pin Signal Direction Description

1

GND

-

Shield ground

2

TxD

--->

Transmit data

3

RxD

<---

Receive data

4

RTS

--->

Request to send (used for hardware flow control)

5

CTS

<---

Clear to send (used for hardware flow control)

6

DSR

<---

Data set ready

7

Signal ground

-

Signal ground

8

CD

<---

Carrier detect (used for modem control)

20

DTR

--->

Data terminal ready (used for modem control only)

22

RI

<---

Ring indicator

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: Console Port (DB-25) 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

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

GBIC Cabling Information

The Gigabit Ethernet interface module provides one Gigabit Interface Converter (GBIC) modular transceiver with an SC-type connector. GBIC connectors are available in multimode fiber and single-mode fiber. Table B-4 lists cabling information for the GBICs.


Table B-4: GBIC Cabling Information
GBIC Wavelength (nm1) Fiber Type Core Size (microns) Modal Bandwidth (MHz-km)2 Cable Distance

SX3, 4

850

MMF

62.5

62.5

50.0

50.0

160

200

400

500

722 ft (200 m)

902 ft (275 m)

1620 ft (494 m)

1804 ft (550 m)

LX/LH5

1300

MMF6

SMF7 (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)

ZX8

1550

SMF

Not conditional

---

70 to 100 km

1nm = nanometers.
2MHz-km = Signal bandwidth in MHz transmitted over a distance of 1 km.
3SX = short wavelength.
4MMF only.
5LX/LH = long wavelength/long haul.
6MMF = multimode fiber.
7SMF = single-mode fiber.
8ZX = extended distance.

100BaseFX Cabling Information

The 100BaseFX multimode fiber Ethernet interface module provides eight multimode fiber ports with SC-type connectors. Table B-5 lists cabling information for the multimode fiber ports.


Table B-5: 100BaseFX Cabling Information
Wavelength (nm) Fiber Type Core Size (microns) Modal Bandwidth (MHz.km) Cable Distance

1300

MMF

62.5

50.0

160/200

400/500

6562 ft (2 km)

6562 ft (2 km)


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Posted: Mon Jun 26 07:47:41 PDT 2000
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