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Cisco 877W Hardware Installation Guide - Page 82

Power-over-Ethernet Module Specifications

UPC - 882658019579

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Power-over-Ethernet Module Specifications Appendix A Specifications Table A-1 Router Specifications (continued) Description Design Specification Router Power AC input voltage 100 to 240 VAC Frequency 50 to 60 Hz Power output 26 W maximum Output voltages Integrated 802.11b/g Radio Module 5 V and 12 V Radio technology Operating frequency Modulation schemes IEEE 802.11b and 802.11g standard compliant 2412 to 2484 MHz ISM1 band OFDM2, DQPSK3, DBPSK4 16 QAM5, 64 QAM, and CCK6 Number of channels 11 channels for the U.S., 13 channels for Europe, 14 channels for Japan Data rate Media access protocol 54 Mbps with fallback rates of 48, 36, 24, 18, 12, 9, and 6 Mbps CSMA/CA7 with ACK8 Power consumption (typical) 500 mA.3.3V at transmit mode, 320 mA/3.3V at receive mode 1. ISM = Industrial, Scientific, and Medical 2. OFDM = orthogonal frequency-division multiplexing 3. DQPSK = differential quaternary phase shift keying 4. DBPSK = differential binary phase shift keying 5. QAM = quadrature amplitude modulation 6. CCK = complementary code keying 7. CSMA/CA = carrier sense multiple access with collision avoidance 8. ACK = acknowledgement Power-over-Ethernet Module Specifications Table A-2 shows the specifications for the power-over-Ethernet (PoE) module. Table A-2 POE Module Specifications Description Physical Dimensions Dimensions (H x W x D) Weight (not including desktop power supply) Design Specification 1.13 x 4.0 x 10.25 in. (29 x 102 x 260 mm) 0.32 lb (0.14 kg) Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide A-2 OL-5331-01

Section	Page
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide	1
Contents	3
Preface	7
Objective	7
Audience	7
Organization	8
Conventions	8
Related Documentation	14
Obtaining Documentation and Submitting a Service Request	14
Product Overview	15
General Descriptions of the Router Models	15
Cisco 851 and Cisco 871 Ethernet-to-Ethernet Routers	15
Router Ports on the Cisco 851 and Cisco 871 Back Panel	17
USB Port Power Allocation on the Cisco 871 Router	17
Cisco 857 and Cisco 877 ADSL-over-POTS Routers	17
Router Ports on the Cisco 857 and Cisco 877 Back Panel	19
Cisco 876 ADSL-over-ISDN Router	19
Router Ports on the Cisco 876 Back Panel	20
Cisco 878 SHDSL Router	20
Router Ports on the Cisco 878 Back Panel	21
Feature Summary	21
Hardware Features	23
Serial Number Location	23
LED Indicators on the Routers	23
Integrated 802.11b/g Radio Module (Wireless Models Only)	25
Supported Cisco Radio Antennas (Wireless Models Only)	26
External Power-over-Ethernet Module (Optional)	26
LED Indicators on the PoE Module	30
Router Memory	30
Router Hardware Security	31
Regulatory Compliance	31
Preinstallation Information	33
Safety Warnings and Guidelines	33
Additional Warnings for Wireless Routers	35
General Safety Guidelines for Wireless Routers	35
Preventing Electrostatic Discharge Damage	35
Preventing Damage to the Router	36
Unpacking the Box	36
Preparing for Installation	37
What to Do Next	38
Router and PoE Module Mounting Procedures	39
Connecting Antennas to the Wireless Router	39
Mounting on a Table	39
Mounting on a Wall	40
Guidelines for Wall Mounting	40
Mounting the Router on a Wall	40
Mounting the PoE Module on a Wall	43
What to Do Next	44
Router Cabling Procedures	45
Cabling for Nonwireless Routers	46
Typical Installations	46
Connecting the Radio Antennas to the Wireless Router	50
Connecting the Power-over-Ethernet Module (Optional)	51
Connecting a Server, PC, or Workstation	52
Connecting an External Ethernet Switch (Optional)	53
Connecting a Broadband Modem	55
Connecting a Terminal or PC to the Console Port	56
Connecting an Async Modem to the Console Port	57
Connecting an ISDN S/T Port	58
Connecting an ADSL Line-ADSLoPOTS Port	60
Connecting an ADSL Line-ADSLoISDN Port	61
Connecting a G.SHDSL Line	63
Connecting the AC Adapter	65
Verifying Router Operations	68
What to Do Next	69
Initial Configuration	71
Installing Cisco Router and Security Device Manager	71
Initial Configuration Using Cisco SDM	71
Initial Configuration Using the Setup Command Facility	72
Initial Configuration Using the Cisco CLI-Manual Configuration	74
Verifying the Initial Configuration	75
What to Do Next	75
Troubleshooting	77
Before You Call Your Cisco Reseller	77
Problems During First Startup	78
Problems After the Router Is Running	79
Specifications	81
Router Specifications	81
Power-over-Ethernet Module Specifications	82
LAN Port Pinouts	83
Console Connector Pinouts	84
ADSL Port Connector Pinouts	84
Power Output Connector Pinouts	85
Cable Specifications	85
Ethernet Cable Specifications	86
Maximum Cable Length	86