Hub, switch, Router Specifications (cisco)

Hub Specifications

lists the system specifications for the Cisco Micro Hubs.

Table D-1 System Specifications

Description	Specification
Ports –Network device connectors (8) –Interconnect (2) (Micro 1502 and Micro Hub 1503 only) –Console port (1) (Micro Hub 1503 only)	Connector Type –RJ-45 MDI-X shielded (Port 5 provides MDI-X or MDI options) –RJ-45 backplane bus –RJ-45
Access method	CSMA/CD, 10 Mbps
Media supported	•100-ohm unshielded twisted-pair (UTP) •100-ohm shielded twisted-pair (STP)
Indicator panel	LEDs: •PWR—Indicates whether power is being supplied to hub •OK—Indicates whether self-test is successful •1-8—Indicates port status: link, activity, partition, and disable •COL—Indicates network collisions •MGMT —(Micro Hub 1503 only) Indicates that hub is receiving SNMP data
Configuration options	•Direct connection to the CONSOLE port •Network connection via Telnet service •Network connection via optional SNMP management software
Processor	80C31 (Micro Hub 1502) 386EX (Micro Hub 1503)
Dimensions (H x W x D)	3.1 x 11.2 x 8.7 in. (7.85 x 28.4 x 22.1 cm) Height includes the stacking curves on top of the hub
Weight	1.3 lb (0.6 kg)
Power (external)	13.5 VDC (+/- 5%), 2A
Nonoperating temperature	-40 to 149°F (-20° to 65°C)
Operating temperature	32 to 104°F (0° to 40°C)
Operating humidity	10 to 85%, noncondensing
Standards conformance	IEEE 802.3 10BaseT
Hub Stack –Expansion –Expansion interface –Configuration	–Up to five units –Proprietary RJ-45 –Automatic hub-ID and bus termination (for stack)

Cisco 881G Ethernet Security Router with 3G Specifications
Part # CISCO881G-K9

General
Device Type:	Router
Form Factor:	External
Width:	12.8 in
Depth:	9.8 in
Height:	1.7 in
Memory
RAM:	256 MB (installed) / 768 MB (max)
Flash Memory:	128 MB
Networking
Connectivity Technology:	Wired
Integrated Switch:	4-port switch
Data Link Protocol:	Ethernet, Fast Ethernet
Switching Protocol:	Ethernet
Network / Transport Protocol:	L2TP, IPSec
Routing Protocol:	RIP-1, RIP-2, HSRP, VRRP, GRE
Remote Management Protocol:	Telnet, SNMP 3, HTTP, HTTPS, SSH
Capacity:	IPSec VPN tunnels : 20
Status Indicators:	Port status, power
Features:	NAT support, VLAN support, auto-uplink (auto MDI/MDI-X), Stateful Packet Inspection (SPI), MAC address filtering, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Fair Queuing (WFQ), Access Control
Compliant Standards:	IEEE 802.1D, IEEE 802.1Q, IEEE 802.1x
Communications
Type:	Wireless cellular modem
Expansion / Connectivity
Expansion Slots Total (Free):	1 ( 0 ) x ExpressCard , 1 ( 1 ) x memory
Interfaces:	4 x network, Ethernet 10Base-T/100Base-TX, RJ-45 , 1 x management, console, RJ-45 , 1 x network, Ethernet 10Base-T/100Base-TX, RJ-45 ( WAN ) , 1 x USB, 4 pin USB Type A , 1 x cellular phone
Miscellaneous
Encryption Algorithm:	LEAP, DES, Triple DES, MD5, TLS, PEAP, TTLS, TKIP, WPA, WPA2, WPA-PSK, PKI, 128-bit AES, 192-bit AES, 256-bit AES
Authentication Method:	RADIUS, TACACS+
Compliant Standards:	VCCI-II, EN55024, CSA 22.2 No. 60950, EN55022 Class B, AS/NZ 3548 Class B, AS/NZS 60950-1, CS-03, EN 60555-2, UL 60950-1, IEC 60950-1
Power
Power Device:	Power adapter, external
Voltage Required:	AC 120/230 V ( 50/60 Hz )
Power Provided:	60 Watt
Software / System Requirements
OS Provided:	Cisco IOS Advanced Security
Environmental Parameters
Min Operating Temperature:	32 °F
Max Operating Temperature:	104 °F
Humidity Range Operating:	10, 85%

DGS-1200 Series (DGS-1216T, DGS-1224T, DGS-1224TP & DGS-1248T)

Technical Specifications
Model	DGS-1216T	DGS-1224T	DGS-1224TP	DGS-1248T
Interface
Ports	16 10/100/1000BASE-T Auto-negotiating, Auto-MDI/MDI-X ports with 802.3x Flow Control	24 10/100/1000BASE-T Auto-negotiating, Auto-MDI/DMI-X ports with 802.3x Flow Control	24 10/100/1000BASE-T PoE Auto-negotiating, Auto MDI-MDI/X ports with 802.3 Flow Control	48 10/100/1000BASE-T Auto-negotiating, Auto MDI/MDI-X ports with 802.3 Flow Control
Combo Ports	2 (SFP)	2 (SFP)	4 (SFP)	4 (SFP)
Optional SFP Modules	DEM-310GT: 1000BASE-LX SFP Module, up to 10Km DEM-311GT: 1000BASE-SX SFP Module, up to 550m	DEM-310GT: 1000BASE-LX SFP Module, up to 10Km DEM-311GT: 1000BASE-SX SFP Module, up to 550m	DEM-310GT: 1000BASE-LX SFP Module, up to 10Km DEM-311GT: 1000BASE-SX SFP Module, up to 550m	DEM-310GT: 1000BASE-LX SFP Module, up to 10Km DEM-311GT: 1000BASE-SX SFP Module, up to 550m
LED Indicators	Per device: Power/CPU Per 10/100/1000BASE-T port: Link/Act, 100/1000Mbps Per SFP slot: Link/Act, 1000Mbps	Per device: Power/CPU Per 10/100/1000BASE-T port: Link/Act, 100/1000Mbps Per SFP slot: Link/Act, 1000Mbps	Per device: Power/PWR Max/CPU/Fan Error Port LED Mode Indicator: Link/Act Mode/PoE Mode Per 10/100/1000BASE-T port: Link/Act, 100/1000Mbps Per SFP slot: Link/Act, 1000Mbps	Per device: Power/PWR Max/CPU/Fan Error Port LED Mode Indicator: Link/Act Mode/PoE Mode Per 10/100/1000BASE-T port: Link/Act, 100/1000Mbps Per SFP slot: Link/Act, 1000Mbps
Performance
Switch Capacity	32Gbps	48Gbps	48Gbps	96Gbps
Packet Fowarding Rate	23.8Mpps	35.7Mpps	35.7Mpps	71.4Mpps
MAC Address Table Size	8K	8K	8K	8K
MAC Address Update	Up to 256 static MAC entries Enable/disable auto-learning of MAC addresses	Up to 256 static MAC entries Enable/disable auto-learning of MAC addresses	Up to 256 static MAC entries Enable/disable auto-learning of MAC addresses	Up to 256 static MAC entries Enable/disable auto-learning of MAC addresses
Packet Buffer	512KB	512KB	512KB	1MB
Jumbo Frame	10,240 bytes	10,240 bytes	10,240 bytes	9,220 bytes
Physical & Environmental
Power Consumption	23W	31.2W	250.3W	76.2W
Power Input	100 to 240 VAC 50/60Hz internal universal power supply	101 to 240 VAC 50/60Hz internal universal power supply	102 to 240 VAC 50/60Hz internal universal power supply	103 to 240 VAC 50/60Hz internal universal power supply
PoE Budget	n/a	n/a	180 watts	n/a
DC Fans	0	0	2	3
Heat Dissipation	78.48BTU/hr	106.45BTU/hr	854.02BTU/hr	259.99BTU/hr
Acoustic Value	0 dB	0 dB	47 dB	51.6 dB
Operating Temperature	32° to 104°F (0° to 40°C)	32° to 104°F (0° to 40°C)	32° to 104°F (0° to 40°C)	32° to 104°F (0° to 40°C)
Storage Temperature	14° to 158°F (-10° to 70°C)	14° to 158°F (-10° to 70°C)	14° to 158°F (-10° to 70°C)	14° to 158°F (-10° to 70°C)
Operating Humidity	10% ~ 90% Non-condensing	10% ~ 90% Non-condensing	10% ~ 90% Non-condensing	10% ~ 90% Non-condensing
Storage Humidity	5% ~ 90% Non-condensing	5% ~ 90% Non-condensing	5% ~ 90% Non-condensing	5% ~ 90% Non-condensing
Dimensions (W x D x H)	17.3in x 8.2in x 1.7in (440mm x 210mm x 44mm)	17.3in x 8.2in x 1.7in (440mm x 210mm x 44mm)	17.3in x 8.2in x 1.7in (440mm x 210mm x 44mm)	17.3in x 12.2in x 1.7in (440mm x 309mm x 44mm)

Model	DGS-1216T	DGS-1224T	DGS-1224TP	DGS-1248T
Size	19-inch standard rackmounting width, 1U height	19-inch standard rackmounting width, 1U height	19-inch standard rackmounting width, 1U height	19-inch standard rackmounting width, 1U height
Weight	6 lbs (2.72 kg)	6.2 lbs (2.80 kg)	7.9 lbs (3.6 kg)	9.8 lbs (4.46 g)
EMI	FCC Class A, CE Class A, VCCI Class A	FCC Class A, CE Class A, VCCI Class A	FCC Class A, CE Class A, VCCI Class A	FCC Class A, CE Class A, VCCI Class A
RoHS-compliant	Yes	Yes	Yes	Yes
MTFB	228,450hrs	215,976hrs	173,467hrs	186,656hrs
Safety	cUL, LVD	cUL, LVD	cUL, LVD	cUL, LVD
Software Specifications
Port Standards and Functions	+ IEEE 802.3 10BASE-T Ethernet		+ IEEE 802.3u 100BASE-TX Fast Ethernet
	+ IEEE 802.3ab 1000BASE-T Gigabit Ethernet		+ IEEE 802.3z Gigabit Ethernet (fiber) ANSI/IEEE 802.3
	+ IEEE 802.3x Flow Control		+ Nway Auto-Negotiation
	+ 802.3af Power over Ethernet (for DGS-1224TP only)
L2 Features	+ IGMP v1/2 Snooping: supports 64 multicast groups		+ 802.1D Spanning Tree
	+ Static Port Trunk (Link Aggregation): up to 6 groups per device, up to 8 ports per group
Green Ethernet	+ Power Saving Mode (as compared with previous models) - Full Load/Max. Power Consumption - Link Down Power Consumption DGS-1216T: 24% DGS-1216T: 32% DGS-1224T: 11% DGS-1224T: 23% DGS-1248T: 24% DGS-1248T: 21% Note: The Power Saving percentage cannot be applied for DGS-1224TP since there is no previous model
VLAN	+ 802.1Q VLAN (VLAN Tagging)		+ Up to 256 static VLAN groups
	+ Management VLAN		+ Asymmetric VLAN
QoS (Quality of Service)	+ 802.1p Priority Queues		+ Up to 4 queues per port
	+ DSCP-based QoS		+ Supports WRR or Strict Mode in Queue Handling
Security	+ 802.1X Port-based Access Control		+ Broadcast Storm Control
	+ D-Link® Safeguard Engine™		+ Trusted Host
	+ Cable Diagnostics function
Management	+ Web-based GUI		+ SNMP v1 support
	+ DHCP Client		+ Trap setting for destination IP, system events, fiber port events, twisted-pair port events
	+ Port Access Control		+ Web-based: Configuration backup/restoration
	+ Web-based: Firmware backup/upload		+ Firmware upgrade using SmartConsole Utility
	+ System Reboot using web-based interface		+ SmartConsole Utility
MIB Support	+ RFC 1213 MIB-II		+ D-Link Enterprise Private MIB
Warranty Information
Warranty	Limited Lifetime3

DGS-1200 Series (DGS-1216T, DGS-1224T, DGS-1224TP & DGS-1248T)

3COM SWITCH 4200G

GIGABIT FAMILY

All information in this section is relevant to all members of the 3Com

Switch 4200G Gigabit family, unless otherwise stated.

CONNECTORS

12-port

12 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports, 4 of which

are dual-personality 10/100/1000 or SFP ports

1 rear slot for direct 10-Gigabit XENPAK transceiver or for 10-Gigabit

module (XFP)

24-port

24 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports, 4 of which

are dual-personality 10/100/1000 or SFP ports

2 rear slots for direct 10-Gigabit XENPAK transceiver or for 10-Gigabit

module (XFP)

PWR version supports Power over Ethernet on 10/100/1000 ports

48-port

48 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports, 4 of which

are dual-personality 10/100/1000 or Gigabit ports

2 rear slots for direct 10-Gigabit XENPAK transceiver or for 10-Gigabit

module (XFP)

PERFORMANCE

12-port

44 Gbps switching capacity (max.), 32.7 Mpps forwarding rate (max.)

24-port

88 Gbps switching capacity (max.), 65.5 Mpps forwarding rate (max.)

48-port

136 Gbps switching capacity, (max.), 101.2 Mpps forwarding rate (max.)

All models

Wirespeed performance across ports in full mesh configuration

Store-and-forward switching; latency <10 data-blogger-escaped-s="s" data-blogger-escaped-span="span">

Support for Gigabit and Fast Ethernet dual-mode SFP transceivers

LAYER 2 SWITCHING

16K MAC addresses in address table

1,024 static MAC addresses (in addition to default address)

Jumbo Frame support

4,094 Port-based VLANs (IEEE 802.1Q)

IEEE 802.3ad Link Aggregation Control Protocol (LACP); automated and

manual aggregation

GARP VLAN Registration Protocol (GVRP)

Local switch log-in password

Switch login via RADIUS

Trusted IP Management Addresses

Isolated port in VLAN

Blackhole MAC address

Auto-VLAN assignment based on log-in

6 trunk groups per switch

8 10/100 ports or 2 Gigabit ports per group

Auto-negotiation of port speed and duplex IEEE 802.3x full-duplex flow control

Back pressure flow control for half duplex

IEEE 802.1D Spanning Tree Protocol (STP)

IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

Bridge Protocol Data Unit (BPDU) protection

Internet Group Management Protocol (IGMP) snooping (v1, 2 and 3) on

Layer 2 interfaces

Filtering for 128 multicast groups

IEEE 802.1s Multiple Spanning Tree Protocol

Spanning Tree enable / disable per port

Spanning Tree fast-start mode

LAYER 3 SWITCHING

DHCP snooping

Hardware based routing

32 static routes

8 IP interface

Ordering Information
Part Number	Description
DGS-1216T	Web Smart 16-Port Gigabit Switch with 2 Combo SFP Slots
DGS-1224T	Web Smart 24-Port Gigabit Switch with 2 Combo SFP Slots
DGS-1224TP	Web Smart 24-Port Gigabit PoE Switch with 4 Combo SFP Slots
DGS-1248T	Web Smart 48-Port Gigabit Switch with 4 Combo SFP Slots
DEM-310GT	1000BASE-LX SFP Module, up to 10Km
DEM-311GT	1000BASE-SX SFP Module, up to 550m