Details
Product Overview
• 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
WAN Aggregation
Figure 2. WAN Aggregation

Transport for Traditional Protocols
• 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
Figure 4. Managing Multiple Remote Devices from a Single Location

Dial Access Server
Figure 5. Dial Access Server

Connectors and Cabling
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
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
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
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
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 |
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
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 |
Additional Information
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HWIC-16A-RF AED AED 0 0 |