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The following is Manufacturer Information :

The dual-serial port WAN interface cards (WICs) for the Cisco 2600 and 1700 series feature Cisco`s new, compact, high-density Smart Serial connector to support a wide variety of electrical interfaces when used with the appropriate transition cable. Two cables are required to support the two ports on the WIC. Each port on a WIC is a different physical interface and can support different protocols such as Point-to-Point protocol (PPP) or Frame Relay and Data Terminal Equipment/Data Communications Equipment (DTE/DCE).

Before You Begin Conventions

For more information on document conventions, see the Cisco Technical Tips Conventions.

Prerequisites

There are no specific prerequisites for this document.

Components Used

This document is not restricted to specific software and hardware versions.

Product Numbers

WIC-2T

2 Port Serial WAN Interface Card

Features

The WIC-2T provides two serial ports using the Smart Serial connector.

• Asynchronous support with a maximum speed (per port) of 115.2 Kbps, minimum 600 bps. If you need to run at speeds lower than 600 bps, use the AUX port instead.

• Synchronous support with a maximum speed of 8 Mbps per port.

  • Supports one port at 8 Mbps when used in NM-1FE1R2W, NM-1FE2W, NM-2FE2W, or NM-2W, or Cisco 2600 chassis WIC slots. All other WIC ports on that network module or Cisco 2600 chassis must not be used.

  • Supports two ports at 4 Mbps each when used in NM-1FE1R2W, NM-1FE2W, NM-2FE2W, or NM-2W, or Cisco 2600 chassis WIC slots. All other WIC ports on that network module or Cisco 2600 chassis must not be used.

  • Supports 8 Mbps on all ports simultaneously on 2691, 3725, and 3745. No restrictions. Maximum six ports at 8 Mbps each.

Cables

The WIC-2T serial ports require Smart Serial cables. The following table lists the part number for the cables that can be used with the WIC-2T card.

Cable Type

Product Number

Length

Male/Female

V.35 DTE

CAB-SS-V35MT(=)

10 feet / 3 meters

Male

V.35 DCE

CAB-SS-V35FC(=)

10 feet / 3 meters

Female

RS-232 DTE

CAB-SS-232MT(=)

10 feet / 3 meters

Male

RS-232 DCE

CAB-SS-232FC(=)

10 feet / 3 meters

Female

RS-449 DTE

CAB-SS-449MT(=)

10 feet / 3 meters

Male

RS-449 DCE

CAB SS-449FC(=)

10 feet / 3 meters

Female

X.21 DTE

CAB-SS-X21MT(=)

10 feet / 3 meters

Male

X.21 DCE

CAB-SS-X21FC(=)

10 feet / 3 meters

Female

EIA-530 DTE

CAB-SS-530MT(=)

10 feet / 3 meters

Male

EIA-530A DTE

CAB-SS-530AMT(=)

10 feet / 3 meters

Male

Platform Support

Platform

Cisco 1600

Cisco 1700

Cisco 2600

Cisco 2600XM

Cisco 3620, 3640, 3660

Cisco 3631

3745

Carrier Module

Not Required

Not Required

on-board

NM-2W

on-board

NM-2W

NM-1E2W, NM-1E1R2W, NM-2E2W

NM-1FE2W, NM-1FE1R2W,

NM-2FE2W, NM-2W

Not Required

on-board

NM-1FE2W, NM-1FE1R2W,

Cisco IOS® Support

Not supported

All Cisco IOS versions

All Cisco IOS versions

Cisco IOS versions 12.0(7)XK, 12.1(1)T, 12.2, 12.2T

All Cisco IOS versions

Cisco IOS versions 12.2(8)T1

Not supported

Cisco IOS versions 12.0(7)XK, 12.1(1)T, 12.2, 12.2T

All Cisco IOS versions

All Cisco IOS versions

All Cisco IOS versions

The Cisco 1600 Series is not capable of supporting the WIC-2T due to lack of Serial Communications Controllers.

The NM-1E2W, NM-1E1R2W, and NM-2E2W Network Modules do not have enough performance power to support the WIC-2T due to hardware limitations.

Hardware Failures

The WIC-2T and WIC-2A/S can be damaged by excessive electrostatic discharge. You can minimize this electrostatic discharge in several ways.

• Use shielded cable end-to-end.

• Use a data surge protector that protects against surges over +/- 18v.

• Use an optical isolator (best protection).