Guest

Cisco High-Speed WAN Interface Cards

Serial and Asynchronous Modules for Cisco Integrated Services Routers

  • Viewing Options

  • PDF (357.7 KB)
  • Feedback

Product Overview

Serial and asynchronous modules provide highly flexible connections for Cisco ® 1800, 1900, 2800, 2900, 3800, and 3900 Series Integrated Services Routers (ISRs). These modules help customers enable applications such as WAN aggregation, transport for traditional protocols, console servers, and dial access servers. Customers can mix and match modules to tailor cost-effective solutions for common networking problems such as remote network management, external dial-modem access, low-density WAN aggregation, transport for traditional protocols, and high-port-density support.
Cisco offers the following serial and asynchronous modules:

• Cisco 4-Port Serial High-Speed WAN Interface Card (HWIC-4T): Four high-speed serial ports (Figure 1A)

• Cisco 4-Port Asynchronous/Synchronous High-Speed WAN Interface Card (HWIC-4A/S): Four low-speed synchronous/asynchronous ports (Figure 1B)

• Cisco 8-Port Asynchronous/Synchronous High-Speed WAN Interface Card (HWIC-8A/S-232): Eight low-speed synchronous/asynchronous ports, EIA-232 only (Figure 1C)

• Cisco 8-Port Asynchronous High-Speed WAN Interface Card (HWIC-8A): Eight asynchronous EIA-232 ports (Figure 1D)

• Cisco 16-Port Asynchronous High-Speed WAN Interface Card (HWIC-16A): Sixteen asynchronous EIA-232 ports (Figure 1E)

• Cisco 32-Port Asynchronous Serial Service Module (SM-32A): Thirty-two asynchronous EIA-232 ports Figure 1F)

Figure 1. Cisco Serial and Asynchronous Modules

Common Applications

These highly flexible interface cards enable several important applications.

WAN Aggregation

Serial interfaces can be used to aggregate WAN connections from remote sites. With support for serial speeds of up to 8 Mbps per port, the Cisco 4-Port Serial HWIC is well suited for low- and medium-density WAN aggregation (Figure 2).

Figure 2. WAN Aggregation

Transport for Traditional Protocols

Serial and synchronous/asynchronous ports are well suited for transporting traditional traffic across a TCP/IP network. This capability enables network convergence (Figure 3), eliminating the need for costly separate leased lines for this traffic. Traditional protocols supported by Cisco IOS ® Software include:

• Systems Network Architecture (SNA) and Synchronous Data Link Control (SDLC) Protocol

• Binary Synchronous Communications (Bisync) Protocol

• X.25 Protocol

Figure 3. Network Convergence

Console and Terminal Server

Asynchronous ports provide highly flexible connections that allow access to EIA-232 devices across a TCP/IP network. This capability allows out-of-band management of console and craft ports, allowing the network operator to manage a network of remote devices from a central location (Figure 4).

Figure 4. Managing Multiple Remote Devices from a Single Location

Dial Access Server

Asynchronous HWICs can connect to external dial modems to provide low-density dial access servers (Figure 5).

Figure 5. Dial Access Server

Connectors and Cabling

Serial and asynchronous HWICs have connectors and cabling that allow high port densities in the compact HWIC form factor. Tables 1 through 4 show connector and cabling specifications.

Table 1. Connectors and Cabling

HWIC

Connectors

Available Cables

HWIC-4T and HWIC-4A/S

Smart Serial

See Table 2.

HWIC-8A/S-232

High-density 4-port connector

See Table 3.

HWIC-8A, HWIC-16A and SM-32A

High-density 8-port connector

• High-density 8-port EIA-232 asynchronous cable (CAB-HD8-ASYNC)
• High-density 8-port asynchronous cable with 8 DB-25 modem connectors (CAB-HD8-KIT)

Smart Serial Cabling

The Cisco 4-Port Serial HWIC and 4-Port Asynchronous/Synchronous HWIC each have four Smart Serial ports. These ports use the same connectors and cabling as the 2-port Serial WIC (WIC-2T) and 2-port Async/Sync WIC(WIC-2A/S).

Table 2. Smart Serial Cabling for Cisco 4-Port Serial HWIC and 4-Port Asynchronous/Synchronous HWIC

Product Number

Cable Type

Length

Connector Type

CAB-SS-V35MT

V.35 DTE

10 ft (3m)

Plug

CAB-SS-V35FC

V.35 DCE

10 ft (3m)

Socket

CAB-SS-232MT

EIA/TIA-232 DTE

10 ft (3m)

Plug

CAB-SS-232FC

EIA/TIA-232 DCE

10 ft (3m)

Socket

CAB-SS-449MT

EIA/TIA-449 DTE

10 ft (3m)

Plug

CAB-SS-449FC

EIA/TIA-449 DCE

10 ft (3m)

Socket

CAB-SS-X21MT

X.21 DTE

10 ft (3m)

Plug

CAB-SS-X21FC

X.21 DCE

10 ft (3m)

Socket

CAB-SS-530MT

EIA/TIA-530 DTE

10 ft (3m)

Plug

CAB-SS-530AMT

EIA/TIA-530A DTE

10 ft (3m)

Plug

High-Density Synchronous/Asynchronous Cabling

The Cisco 8-Port Asynchronous/Synchronous HWIC uses two high-density 4-port connectors. Each connector supports four ports of EIA-232 with data communications equipment (DCE) or data terminal equipment (DTE) interfaces. All four ports on one cable use the same DTE and DCE mode.

Table 3. High-Density Synchronous/Asynchronous Cabling

Product Number

Cable Type

Length

Connector Type

CAB-HD4-232FC

4-port EIA-232 DCE

10 ft (3m)

Socket DB-25

CAB-HD4-232MT

4-port EIA-232 DTE

10 ft (3m)

Plug DB-25

High-Density Asynchronous Cabling

The Cisco 8-Port Asynchronous HWIC and 16-Port Asynchronous HWIC use one (HWIC-8A) or two (HWIC-16A) high-density 8-port connectors. The 8-port asynchronous cable provides the high-density connector on one end and eight RJ-45 plugs on the other. RJ-45- to DB-25 modular adapters are used to convert the RJ-45 to a DB-25 DTE or DB-25 DCE connection.

Table 4. High-Density Asynchronous Cabling

Product Number

Cable Type

Length

Connector Type

CAB-HD8-ASYNC

8-port EIA-232

10 ft (3m)

RJ-45

CAB-HD8-KIT

8-port EIA-232 plus 8 CAB-25AS-MMOD

10 ft (3m)

Plug DB-25

CAB-25AS-MMOD

RJ-45 to DB-25 adapter

Plug DB-25

CAB-25AS-FDTE

RJ-45 to DB-25 adapter

Socket DB-25

Platform Support

Serial and asynchronous modules are supported in the HWIC and enhanced HWIC (EHWIC) or service module (SM) slots of Cisco 1800, 1900, 2800, 2900, 3800, and 3900 Series ISRs. Table 5 indicates which platforms are supported. These modules are supported in all Cisco IOS Software feature sets. The minimum Cisco IOS Software release is shown in Table 6.

Table 5. Supported Platforms

HWIC Product Number

Cisco 1841 ISR

Cisco 1941 ISR

Cisco 2800 Series

Cisco 2900 Series

Cisco 3800 Series

Cisco 3900 Series

HWIC-4T

No

No

Yes

Yes

Yes

Yes

HWIC-4A/S

Yes

Yes

Yes

Yes

Yes

Yes

HWIC-8A/S-232

Yes

Yes

Yes

Yes

Yes

Yes

HWIC-8A

Yes

Yes

Yes

Yes

Yes

Yes

HWIC-16A

No

No

Yes

Yes

Yes

Yes

SM-32A

No

No

No

Yes

No

Yes

Table 6. Minimum Cisco IOS Software Release Supported

 

Cisco 1800, 2800, and 3800 Series

Cisco 1900 and 2900 Series and Cisco 3925 and 3945 ISRs

Cisco 3925E and 3945E ISRs

Minimum Cisco IOS Software Release
(for all HWIC modules)

Cisco IOS Software Release 12.3(14)T

Cisco IOS Software Release 15.0(1)M

Cisco IOS Software Release 15.1(1)T

Minimum Cisco IOS Software Release (for SM-32A)

Not supported

Cisco IOS Software Releases 15.1(4)M2, 15.2(1)T1 and 15.2(2)T for Cisco 3900 Series.

Cisco IOS Software Release 15.1(4)M3 for Cisco 2900 Series

Cisco IOS Software Releases 15.1(4)M2, 15.2(1)T1, and 15.2(2)T

Minimum Cisco IOS Software technology package

IP Base

IP Base

IP Base

Specifications

The specifications for these modules are listed in Table 7.

Table 7. HWIC Specifications

Specification

HWIC-4T

HWIC-4A/S

HWIC-8A/S-232

HWIC-8A

HWIC-16A

SM-32A

Synchronous support

Yes

Yes

Yes

No

No

No

Synchronous maximum speed (per port)

8 Mbps

256 kbps

256 kbps

-

-

-

Asynchronous support

Yes

Yes

Yes

Yes

Yes

Yes

Asynchronous maximum speed (per port)

230.4 kbps

230.4 kbps

230.4 kbps

230.4 kbps

230.4 kbps

230.4 kbps

Bisync support

Yes

Yes

Yes

No

No

No

Serial protocols

EIA-232, EIA-449, EIA-530, EIA-530A, and V.35, X.21

EIA-232, EIA-449, EIA-530, EIA-530A, and V.35, X.21

EIA-232

EIA-232

EIA-232

EIA-232

Lead manipulation

Yes

Yes

Yes

Yes

Yes

Yes

Network clock synchronization

Yes

Yes

Yes

No

No

No

Common Specifications

The specifications listed here are common to all serial and asynchronous modules.
Agency approvals:

• AS/NZS 60950.1.2003 with Amendments A1 thru A3 (Australia/New Zealand)

• CAN/CSA 22.2 No. 60950-1-07, Second Edition (Canada)

• EN 60950-1: 2006, Second Edition (European Union)

• GB4943 (China)

• UL 60950-1, Second Edition (United States)

• IEC 60950-1: 2005, Second Edition (International)

Immunity:

• EN300386

• EN55024/CISPR24

• EN50082-1

Emissions:

• FCC Part 15 Class A

• ICES-003 Class A

• EN55022 Class A

• CISPR22 Class A

• AS/NZS 3548 Class A

• VCCI Class A

• EN 300386

• EN61000-3-3

• EN61000-3-2

Physical specifications:

• Single-wide HWIC (all HWIC modules) or single-wide SM (SM-32A), no slot restrictions

• Dimensions (HWIC modules) (H x W x D): 0.8 x 3.1 x 5.6 in. (2.1 x 7.9 x 14.2 cm)

• Dimensions (SM-32A) (H x W x D): 1.58 x 7.44 x 7.5 in. (4 x 18.9 x 19.1 cm)

Environmental specifications:

• Operating temperature: 32 to 104°F (0 to 40°C)

• Storage temperature: -4 to 149°F (-20 to 65°C)

• Relative humidity: 10 to 90 percent, noncondensing

Cisco and Partner Services for the Branch Office

Services from Cisco and our certified partners can help you transform the branch-office experience and accelerate business innovation and growth in Cisco Borderless Networks. We have the depth and breadth of expertise to create a clear, replicable, optimized branch-office footprint across technologies. Planning and design services align technology with business goals and can increase the accuracy, speed, and efficiency of deployment. Technical services help improve operation efficiency, save money, and mitigate risk. Optimization services are designed to continuously improve performance and help your team succeed with new technologies.

For More Information

For more information about Cisco Services, visit http://www.cisco.com/go/services.
For more information about Cisco ISRs, visit the following sites:

• Cisco 3900 Series: http://www.cisco.com/en/US/products/ps10536/index.html

• Cisco 2900 Series: http://www.cisco.com/en/US/products/ps10537/index.html

• Cisco 1900 Series: http://www.cisco.com/en/US/products/ps10538/index.html

• Cisco 2800 Series: http://www.cisco.com/en/US/products/ps5854/index.html

• Cisco 3800 Series: http://www.cisco.com/en/US/products/ps5855/index.html