The Cisco Catalyst 2960 48 Power over Ethernet (PoE) switch with PoE for entry-level enterprise, midmarket, and small branch office networks, allows connectivity to Ethernet-powered devices, including Cisco IP phones, wireless access points, and video cameras.
The Cisco Catalyst 2960-48PST-L can support 48 PoE ports with total PoE power output capacity at 370W. Taking advantage of Cisco Catalyst Intelligent Power Management, the Cisco Catalyst 2960-48PST-L configuration can deliver the necessary power to support 24 ports at 15.4W, 48 ports at 7.7W, or any combination in between. Cisco Catalyst 2960 Series with PoE models support Cisco prestandard PoE and are IEEE 802.3af-compliant.
PoE eliminates the need for wall power to each PoE-enabled device and eliminates the cost for additional electrical cable and circuits that would otherwise be necessary in IP phone and WLAN deployments. PoE switches also eliminate the need for power injectors and PoE midspans for powering IP devices. Table 1 provides a brief description of the new switch.
The Cisco Catalyst 2960 Series with PoE offers the following benefits:
Supports 15.4W up to 24 ports, allowing transparent connectivity to PoE devices, including Cisco IP phones, Cisco Aironet wireless LAN access points, as well as any IEEE 802.3af-compliant end device.
1 Cisco EnergyWise to measure, report and reduce energy usage across the entire organization.
2 Cisco Discovery Protocol (CDP) version 2 allows the switch to negotiate a more granular power setting when connecting to a Cisco powered device, such as IP phones or access points, than what is provided by IEEE classification.
3 PoE MIB provides proactive visibility into power usage and allows you to set different power-level thresholds.
Link Layer Discovery Protocol (LLDP and LLDP-MED) adds support for IEEE 802.1AB LLDP for interoperability in multivendor networks.
4 Network configuration, Cisco IOS Software updates, and troubleshooting are easy using the embedded device manager and Cisco Network Assistant.
5 These switches utilize capabilities rich in Cisco IOS Software, including comprehensive Layer 2 LAN features, intelligent quality of service (QoS), extensive security protection, and network management features.
6 Limited lifetime hardware warranty.
7 Software updates available at no additional cost.
PVDM-12 module for Cisco Voice Gateway Router
I have a cisco 1760 Voice Gateway router with a VIC2-4FXO card with 4 analog phone lines, and a PVDM-12 module. Will this PVDM-12 support another VIC2-4FXO card with 4 more analog phone lines, which would total 8 lines. I know the "12" means 12 channels, but I didn't know if one pots line took two channels for communication. If this was the case I could only have 6 pots lines right? Any assistance would be greatly appreciated. I'm looked at the PVDM-12 datasheet and its not answering my questions.
The answer:
Under DSP Requirements it says:
Please use the following rules for calculating DSP requirements on the Cisco 1760 series routers:
1 For 12.2T releases:
a Each 2-port analog VIC requires 1 DSP (PVDM-256K-4)
b Each VIC-2BRI-NT/TE requires 2 DSPs (PVDM-256K-8)
c For VWICs, refer to Table 10. For example, 12 G.711 digital T1/E1 voice calls require two DSPs; 12 G.729 calls require four DSPs
d Total DSP requirement is the sum of a, b and c. The DSP resources can not be shared between analog VICs and VWICs
So if you have a PVDM-256K-12 you have 3 DSPs.
Then down below that there is table 10 which shows that for a medium complexity you can support 4 channels per DSP for G.711 or G.729. If you run high complexity you can only have 2 per DSP.
So if you run a total of 8 ports of FXO and you run medium complexity you should be able to support that with your current DSPs.
The Cisco Catalyst 2960-48PST-L can support 48 PoE ports with total PoE power output capacity at 370W. Taking advantage of Cisco Catalyst Intelligent Power Management, the Cisco Catalyst 2960-48PST-L configuration can deliver the necessary power to support 24 ports at 15.4W, 48 ports at 7.7W, or any combination in between. Cisco Catalyst 2960 Series with PoE models support Cisco prestandard PoE and are IEEE 802.3af-compliant.
PoE eliminates the need for wall power to each PoE-enabled device and eliminates the cost for additional electrical cable and circuits that would otherwise be necessary in IP phone and WLAN deployments. PoE switches also eliminate the need for power injectors and PoE midspans for powering IP devices. Table 1 provides a brief description of the new switch.
The Cisco Catalyst 2960 Series with PoE offers the following benefits:
Supports 15.4W up to 24 ports, allowing transparent connectivity to PoE devices, including Cisco IP phones, Cisco Aironet wireless LAN access points, as well as any IEEE 802.3af-compliant end device.
1 Cisco EnergyWise to measure, report and reduce energy usage across the entire organization.
2 Cisco Discovery Protocol (CDP) version 2 allows the switch to negotiate a more granular power setting when connecting to a Cisco powered device, such as IP phones or access points, than what is provided by IEEE classification.
3 PoE MIB provides proactive visibility into power usage and allows you to set different power-level thresholds.
Link Layer Discovery Protocol (LLDP and LLDP-MED) adds support for IEEE 802.1AB LLDP for interoperability in multivendor networks.
4 Network configuration, Cisco IOS Software updates, and troubleshooting are easy using the embedded device manager and Cisco Network Assistant.
5 These switches utilize capabilities rich in Cisco IOS Software, including comprehensive Layer 2 LAN features, intelligent quality of service (QoS), extensive security protection, and network management features.
6 Limited lifetime hardware warranty.
7 Software updates available at no additional cost.
PVDM-12 module for Cisco Voice Gateway Router
I have a cisco 1760 Voice Gateway router with a VIC2-4FXO card with 4 analog phone lines, and a PVDM-12 module. Will this PVDM-12 support another VIC2-4FXO card with 4 more analog phone lines, which would total 8 lines. I know the "12" means 12 channels, but I didn't know if one pots line took two channels for communication. If this was the case I could only have 6 pots lines right? Any assistance would be greatly appreciated. I'm looked at the PVDM-12 datasheet and its not answering my questions.
The answer:
Under DSP Requirements it says:
Please use the following rules for calculating DSP requirements on the Cisco 1760 series routers:
1 For 12.2T releases:
a Each 2-port analog VIC requires 1 DSP (PVDM-256K-4)
b Each VIC-2BRI-NT/TE requires 2 DSPs (PVDM-256K-8)
c For VWICs, refer to Table 10. For example, 12 G.711 digital T1/E1 voice calls require two DSPs; 12 G.729 calls require four DSPs
d Total DSP requirement is the sum of a, b and c. The DSP resources can not be shared between analog VICs and VWICs
So if you have a PVDM-256K-12 you have 3 DSPs.
Then down below that there is table 10 which shows that for a medium complexity you can support 4 channels per DSP for G.711 or G.729. If you run high complexity you can only have 2 per DSP.
So if you run a total of 8 ports of FXO and you run medium complexity you should be able to support that with your current DSPs.