Information
The 24-port digital modem network module contains twenty-four configurable V.90 compliant digital modems for use with the ISDN PRI and BRI network modules. This module is field upgradable to a maximum of 30 digital modems.
Specifications
Protocols
- CHAP
- PAP
- L2F
- PPP
- TACACS+
Management
- Simple Network Management Protocol (SNMP)-based tools
- Management Modem Technology License (MMTL) capabilities allow for the gathering of modem statistics, real-time call-in-progress, monitoring modem activity log, modem hard/soft busy out, and the ability to accomplish modem firmware upgrades.
- CiscoWorks software
Scalability
- This module is field upgradable to a maximum of 30 digital modems
Product Name
24-Port Digital Modem Network Module
Product Type
Network Module
Compatibility
- 3745
- 3725
- 3660 series
- 3640
- 3620
Application/Usage
Data Networking
Security Features
- DES 56-bit
- CHAP
- PAP
- TACACS+
Status Indicators
- LEDs indicate when the network module is enabled/modem banks are in use
Data Transfer Rate
56 Kbps Maximum
Interfaces Details
24 x Channel Digital Modem
System Requirements
- 3745 - 12.2(8)T
- 3725 - 12.2(8)T
- 3660 series - 12.0(7)XK
- 3640 - 11.2(9)XA
- 3620 - 11.2(9)XA
- NM-1CT1
- NM-1CT1-CSU
- NM-2CT1
- NM-2CT1-CSU
- NM-1CE1B
- NM-1CE1U
- NM-2CE1B
- NM-2CE1U
- NM-4B-S/T or U
- NM-8B-S/T or U
- NM-1FE1CT1
- NM-1FE1CT1-CSU
- NM-1FE2CT1
- NM-1FE2CT1-CSU
- NM-1FE1CE1B
- NM-1FE1CE1U
- NM-1FE2CE1B
- NM-1FE2CE1U
- 300 KB main memory
- 200 KB input/output (I/O) memory
Additional Information
- Dialup Remote Access
- VPN & Firewall Solutions
- Speeds up to 56 kbps (V.90) are supported
- PRI, BRI, CT1, and R2 support
- V.110 support
- Dial-out and Fax-out capable
- For basic telephone users, both 33.6K and 56K modem calls can be terminated through a PRI/BRI connection into a digital modem network module.
Certifications & Standards
- V.90 (requires Portware 2.5.1.0 and IOS 11.(2)16P or IOS 11.3.(6)T or higher)
- K56Flex
- V.110 support
- ITU V.23 at 75/1200 bps
- Bell 103 at 300 bps
- ITU V.21 at 300 bps
- ITU V.22 at 1200 bps
- Bell 212A at 1200 bps
- ITU V.22bis at 2400 bps
- ITU V.32 up to 9600 bps
- ITU V.32bis up to 14,400 bps
- V.32 turbo up to 19,200 bps
- V.34 up to 33,600 bps
- V.42 LAPM
- MNP 2-4
- V.42bis (includes MNP-5)