Installation guide

Safety and Regulatory Compliance Information

Cisco WAN Interface Cards Hardware Installation Guide

1-16

Safety and Regulatory Compliance Information

This section lists safety warnings that you should be aware of before installing a network

module or interface card in the router. To see translated version of the safety warnings

contains in this guide, refer to the Cisco Regulatory Compliance and Safety Information

publication that accompanied your router.

This section includes:

• Safety Recommendations on page 1-17

• Safety with Electricity on page 1-18

• Preventing Electrostatic Discharge Damage on page 1-19

• FCC Class B Compliance on page 1-20

• FCC Part 68 on page 1-20

1-Port ISDN BRI S/T

Leased Line

(WIC-1B-S/T-LL)

– 11.2(9)P – 11.3(3)T

1-Port 56/64-kbps

CSU/DSU

(WIC-1DSU-56K4)

– 11.2(12)P – 11.3(3)T

1-Port T1/FT1

(WIC-1DSU-T1)

– 11.2(12)P – 11.3(3)T

1 1-Port ISDN BRI U card is not available with Cisco 1603 or Cisco 1604 routers. The BRI U module does

not require an external NT1.

2 1-Port ISDN BRI S/T card is not available with Cisco 1603 or Cisco 1604 routers. Some ISDN service

providers require an external Network Termination 1 (NT1) device to connect an ISDN S/T port to the ISDN

line. If your service provider requires this, you must provide the NT1.

3 1-Port ISDN BRI S/T Leased-line card is only available with Cisco 1603 or Cisco 1604 routers. Some ISDN

service providers require an external Network Termination 1 (NT1) device to connect an ISDN S/T port to

the ISDN line. If your service provider requires this, you must provide the NT1.

Table 1-4 WAN Interface Card Options with Cisco IOS Releases for Cisco 1600

Series Routers (continued)

WAN Interface Card

Cisco IOS

Release 11.1

Cisco IOS

Release 11.2

Cisco IOS

Release 11.3

Cisco IOS

Release 11.3T