Cisco 881w Manual

							 
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  Cisco 810 Series
Ta b l e 1 - 9  describes the WLAN LEDs for the Cisco 819HGW and Cisco 819HWD ISRs. RSSI Green (solid) Signal > –60 dBm 
Very strong signal
Green (three blinks and 
then a long pause)Signal 
						

							 
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  Cisco 810 Series
Ta b l e 1 - 1 0  describes the 4G LTE LEDs for the Cisco 819 ISR.
Table 1-9 WLAN LED Descriptions
WLAN LED Color Description
Boot loader status 
sequenceBlinking Green Board initialization in progress.
Initializing FLASH file system.
Initializing Ethernet.
Ethernet is OK.
Starting Cisco IOS.
Initialization is successful.
Association status Green Normal operating condition with no 
wireless client associated.
Blue Normal operating condition with at least 
one wireless client associated.
Operating status Blinking Blue Software upgrade in progress.
Rapidly cycling through 
Green, Red, and WhiteAccess point location command invoked.
Blinking Red Ethernet link is not operational.
Boot loader errors Blinking Red and Blue FLASH file system failure.
Blinking Red and Off Environment variable failure.
Bad MAC address.
Ethernet failure during the image recovery.
Boot environment failure.
No Cisco image file.
Boot failure.
Cisco IOS errors Red Software failure. Try to disconnect and 
reconnect the unit power.
Table 1-10 4G LTE LED Descriptions 
LED Color Description
SYS Yellow FPGA download is complete.
Green (blinking) ROMMON is operational.
Green (solid) IOS is operational.
Green (four blinks 
during bootup)Reset button has been pushed during the bootup.
Off After powering up, when FPGA is being downloaded (in 
ROMMON). 
						

							 
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ACT Green (blinking) Network activity on FE Switch ports, GE WAN port, 3G 
cellular interface, and serial interfaces.
Off No network connectivity.
WWAN Green Module is powered on and connected but not 
transmitting or receiving.
Green (slow blinking) Module is powered on and searching for connection.
Green (fast blinking) Module is transmitting or receiving.
Off Module is not powered.
GPS Green (solid) Standalone GPS.
Green (slow blinking) GPS is acquiring.
Yellow (solid) Assisted GPS.
Yellow (slow blinking) Assisted GPS is acquiring.
Off GPS is not configured.
RSSI Green (solid) Signal > –60 dBm 
Very strong signal
Green (three blinks and 
then a long pause)Signal 
						

							 
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  Cisco 810 Series
Memory
The Cisco 819HG and Cisco 819G ISRs uses non-upgradable flash memory and main memory. The 
onboard flash memory contains the Cisco IOS software image and the boot flash contains the ROMMON 
boot code. Ta b l e 1 - 1 1 lists the memory requirements for Cisco 819 ISRs.
Embedded 3G Modem
The 3G cellular interface is the primary WAN data link, but it can also be used as a backup data link. 
The 3G technology is third-generation wide-area cellular technology that is used in broadband wireless 
data in a mobile environment. 
Embedded 4G LTE Modem
The Cisco 819HG-4G and Cisco 819G-4G routers have an embedded 4G LTE modem provided by Sierra 
Wireless. The Verizon SKUs come with an MC7750 modem, the AT&T SKUs come with an MC7700 
modem, and the Global SKUs come with an MC7710 modem.
SIM Card
Ta b l e 1 - 1 2 lists the SIM Card slots available for Cisco the 819 ISRs. 3G/4G Green (one blink and 
then a pause)For 1xRTT, EGPRS, or GPRS service.
Green (two blinks and 
then a pause)For EVDO, EVDO/1xRTT, or UMTS service.
Green (three blinks and 
then a pause)For EVDO/1xRTT RevA, HSPA, or HSUPA/HSDPA 
service.
Green (four blinks and 
then a pause)For HSPA+ service.
Green (Solid) For 4G/LTE service.
Off No Service.
Table 1-10 4G LTE LED Descriptions  (continued)
LED Color Description
Table 1-11 Memory Requirements for Cisco 819 ISRs
Memory RequirementsCisco 819HG 
Cisco 819G 
(with 3G)Cisco 819HGW 
Cisco 819HWD 
(with WiFi)Cisco 819HG-4G 
Cisco 819G-4G 
(with 4G LTE)
256 Compact Flash support in 
IDE mode (internal)Ye s — —
1 GB Compact Flash support in 
IDE mode (internal)—Yes Yes
512 MB DRAM  Yes — —
1 GB DRAM  — Yes Yes 
						

							 
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  Cisco 810 Series
Supported Cisco Antennas and Cables
The Cisco 819 ISR provides two standard panel-mount TNC connectors to support the 3G antenna and 
the diversity and GPS external antenna. The main antenna is used for the primary 3G antenna. The 
second can be used as a diversity receive only 3G antenna or GPS antenna that does not require power 
supply from the router. 
NoteA Lightning Arrestor must be used when you install antenna outdoor. Note that the center conductor is 
not protected under 200V (sparkover voltage nominal value).
Table 1-12 SIM Card Slot 
Two Internal SIM Card Slots One Internal SIM Card Slot No SIM Card Slot
C819G-U-K9 C819HG-4G-V-K9 C819HG-V-K9
C819G+7-K9 C819G-4G-V-K9 C819HG-S-K9
C819HG-U-K9 C819HG-4G-A-K9 C819G-V-K9
C819HG+7-K9 C819G-4G-A-K9 C819G-S-K9
C819HGW+7-A-A-K9 C819G-4G-VZ-K9 C819HGW-V-A-K9
C819HGW+7-E-K9 C819G-4G-ST-K9 C819HGW-S-A-K9
C819HGW+7-N-K9 C819G-4G-NA-K9 C819HG-B-K9
C819HG-4G-G-K9 C819G-B-K9
C819G-4G-G-K9
C819GW-LTE-MNA-AK9 
C819GW-LTE-GA-EK9 
C819G-LTE-LA-K9
C819G-4G-GA-K9
C819G-LTE-MNA-K9
C819HG-LTE-MNA-K9
C819GW-LTE-LA-CK9
C819GW-LTE-LA-QK9
C819GW-LTE-LA-NK9 
						

							 
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  Cisco 810 Series
Ta b l e 1 - 1 3 lists the Cisco 3G antennas that are supported for use on Cisco 819 ISRs.
.
Table 1-13 Supported Cisco 3G Antennas
Cisco Part Number Antenna TypeMaximum Gain and 
Frequency Range Description
3G-ANTM1919D Dipole 
omnidirectional0 dBi
(806–960 MHz)
0 dBi 
(1710–2170 MHz)This is the default antenna with dual faceplate mount. 
Multiband faceplate-mounted dipole antenna. For more 
information, see Cisco Multiband Swivel Mount Dipole 
Antenna (3G-ANTM1919D).
3G-ANTM1916-CM High-gain 
ceiling-mount 
omnidirectional1.5 dBi
(806–960 MHz)
2.5 dBi 
(1710–2170 MHz)Multiband ceiling-mounted omnidirectional antenna. 
For more information, see Cisco Multiband 
Omnidirectional Ceiling Mount Antenna 
(3G-ANTM1916-CM).
3G-AE015-R 
(Antenna Extension)Extension base 0.8–6.0 GHz This antenna extension is a base with a 15-foot cable 
included for use with a dipole omnidirectional antenna. 
For more information, see Cisco Single-Port Antenna 
Stand for Multiband TNC Male-Terminated Portable 
Antenna (3G-AE015-R).
3G-ANTM-OUT-OM Outdoor 
Omnidirectional+2 dBi 
800/900 MHz 
+4 dBi
1800/1900/2100 
MHzThis is an outdoor low-profile omindirectional mast 
antenna. For more information, see Cisco 3G 
Omnidirectional Outdoor Antenna 
(3G-ANTM-OUT-OM).
3G-ANTM-OUT-LP Low Profile Stick 
Antenna–1.5 dBi
850, 900 MHz
–2.5 dBi
1800, 1900, 2100 
MHzThis is an omindirectional stick antenna. For more 
information, see Cisco 3G Low Profile Outdoor Antenna 
(3G-ANTM-OUT-LP).
3G-ACC-OUT-LA 
(Lightning Arrestor)Lightning Arrestor 800–2200 MHz This is a quarter-wave lightning protector with 
integrated high-pass filter. For more information, see 
Cisco 3G Lightning Arrestor (3G-ACC-OUT-LA). 
						

							 
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  Cisco 810 Series
Ta b l e 1 - 1 4  lists the supported Cisco WiFi antenna for Cisco 819HGW and Cisco 819HWD ISRs.
 
Table 1-14 Supported Cisco WiFi Antenna
AntennaFrequency 
band(s)Mounting 
Mechanical IP RatingPeak Gain 
2.4 GHz (dBi)Peak Gain 
5 GHz (dBi) Description
AIR-ANTM2050D-R 2.4–2.5 GHz
4.9–5.9 GHzFaceplate 
DipoleIP  41 1.4 4.5 This is the default antenna. For 
more information, see Cisco 
Multiband Swivel-Mount 
Dipole Antenna 
(AIR-ANTM2050D-R).
AIR-ANT2430V-R 2.4 GHz Ceiling IP 41 3 — For more information, see 
Cisco Aironet 3-dBi 
Omnidirectional Antenna 
(AIR-ANT2430V-R).
AIR-ANT5140V-R 5 GHz Ceiling IP 41 — 4 For more information, see 
Cisco Aironet 4-dBi 
Omnidirectional Antenna 
(AIR-ANT5140V-R).
AIR-ANT2440NV-R 2.4 GHz Multi-mount 
(Wall/Ceiling
/Mast)IP 54 4 — For more information, see 
Cisco Aironet 2.4-GHz MIMO 
Wall-Mounted 
Omnidirectional Antenna 
(AIR-ANT2440NV-R).
AIR-ANT5140NV-R 5 GHz Multi-mount 
(Wall/Ceiling
/Mast)IP 54 — 4 For more information, see 
Cisco Aironet 5-GHz MIMO 
Wall Mount Omnidirectional 
Antenna 
(AIR-ANT5140NV-R). 
						

							 
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  Cisco 810 Series
Ta b l e 1 - 1 5  lists the Cisco 4G LTE antennas that are supported for use on Cisco 819 ISRs.
Table 1-15 Supported 4G LTE Antennas
Cisco Part Number DescriptionMaximum Gain and 
Frequency Ranges Description
4G-LTE-ANTM-D Indoor 4G dipole 
omnidirectional antenna
2 dBi
–698 to 806 MHz
–824 to 894 MHz
–925 to 960 MHz
–1710 to 1885 MHz
–1920 to 1980 MHz
–2110 to 2170 MHz
–2500 to 2690 MHzMultiband dipole antenna. For more 
information, see Cisco 4G/3G 
Omnidirectional Dipole Antenna 
(4G-LTE-ANTM-D).
4G-ANTM-OM-CM Indoor ceiling-mount 
omnidirectional antenna698 to 2690 MHz Multiband omnidirectional 
ceiling-mount antenna. For more 
information, see Cisco 4G Indoor 
Ceiling-Mount Omnidirectional 
Antenna (4G-ANTM-OM-CM).
ANT-4G-OMNI-OUT-N Multiband outdoor 
omnidirectional stick 
antenna
1.5 dBi
–698 to 960 MHz
3.5 dBi
–1710 to 2710 MHz
–2300 to 2700 MHzMultiband outdoor omnidirectional 
stick antenna. For more information, 
see Cisco Outdoor Omnidirectional 
Antenna for 2G/3G/4G Cellular 
(ANT-4G-OMNI-OUT-N).
ANT-4G-SR-OUT-TNC Multiband outdoor 
omnidirectional saucer 
antenna
1.5 dBi (peak gain with 
10-foot cable) or 0.8 dBi 
(peak gain with 15-foot 
cable)
–698 to 960 MHz
3.7 dBi (peak gain with 
10-foot cable) or 0.2 dBi 
(peak gain with 15-foot 
cable)
–1710 to 2700 MHzLow-profile outdoor saucer antenna. 
For more information, see Cisco 
Integrated 4G Low-Profile Outdoor 
Saucer Antenna 
(ANT-4G-SR-OUT-TNC).
CGR-LA-NF-NF Lighning Arrestor 800 to 2200 MHz 4G lightning arrestor kit for use on 
Cisco 4G wireless devices. For more 
information, see Lightning Arrestor for 
the Cisco 1240 Connected Grid Router.
4G-ACC-OUT-LA Lightning Arrestor 800 to 2200 MHz 4G lightning arrestor kit for use on 
Cisco 4G wireless devices. For more 
information, see Cisco 4G Lightning 
Arrestor (4G-ACC-OUT-LA). 
						

							 
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Ta b l e 1 - 1 6 to Ta b l e 1 - 1 8 list the extension cables for use with 3G, WiFi, and 4G LTE antennas. The 
tables include the insertion loss information for the ultra-low-loss (ULL) LMR 400 extension cables.
Table 1-16 Cisco Extension Cables for Use with 3G Antennas 
Cisco Product Number Cable Length Insertion Loss Frequency (MHz)
3G-CAB-ULL-20 20 ft (6 m) 1.50 dB max 2100 
3G-CAB-ULL-50 50 ft (15 m) 3.50 dB max 2100
3G-CAB-LMR240-25 25 ft (7.5 m) 3.50 dB max 2200
3G-CAB-LMR240-50 50 ft (15 m) 6.90 dB max 2200
3G-CAB-LMR240-75 75 ft (23 m) 10.5 dB max 2200
Table 1-17 Cisco Extension Cables for Use with WiFi Antennas
Cisco Product Number Cable Length Insertion Loss Frequency (MHz)
AIR-CAB005LL-R 5 ft (1.524 m)
(one RP-TNC plug, one 
RP-TNC jack)0.5 dB
0.8 dB2400
5800
AIR-CAB020LL-R 20 ft (6 m)
(one RP-TNC plug, one 
RP-TNC jack)1.3 dB
2.5 dB2400
5800
AIR-CAB050LL-R 50 ft (15.24 m)
(one RP-TNC plug, one 
RP-TNC jack)3.4 dB
5.75 dB2400
5800
Table 1-18 Cisco Extension Cables for Use with 4G LTE Antennas 
Cisco Product Number Cable LengthMaximum Insertion 
Loss Frequency (MHz) Color Plenum Rated?1
4G-AE010-R 10 ft (3 m) 1.4 dB at 700 MHz
2.0 dB at 1.9 GHz
2.1 dB at 2.1 GHz
2.3 dB at 2.5 GHz700 to 2600 MHz Black No
4G-AE015-R 15 ft (4.6 m) 2.3 dB at 700 MHz
3.3 dB at 1.9 GHz
3.7 dB at 2.1 GHz
4.0 dB at 2.5 GHz700 to 2600 MHz Black No
4G-CAB-LMR240-25 25 ft (7.6 m) 2.1 dB at 700 MHz
4.0 dB at 2.6 GHz700 to 1000 MHz
1700 to 2600 MHzBlack Yes 
						

							 
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  Cisco 810 Series
Serial Port
The Cisco standard High Speed Smart Serial 12-in-1 connector allows the highest flexibility of 
connections to various DTE/DCE devices. The 12-in-1 serial interface pins connect to the FPGA. The 
FPGA configures the pin directions based on the cable type used. Figure 1-10 shows the magnified view 
of the 12-in-1 serial port. For more information, see About Serial Connections. 4G-CAB-LMR240-50 50 ft (15 m) 4.1 dB at 700 MHz
7.4 dB at 2.6 GHz700 to 1000 MHz
1700 to 2600 MHzBlack Yes
4G-CAB-LMR240-75 75 ft (23 m) 6.1 dB at 700 MHz
11.0 dB at 2.6 GHz700 to 1000 MHz
1700 to 2600 MHzBlack Yes
4G-CAB-LMR240-25N 25 ft (7.6 m) 2.1 dB at 700 MHz
4.0 dB at 2600 MHz700 to 1000 MHz
1700 to 2600 MHzBlack No
4G-CAB-ULL-20 20 ft (6 m) 1.8 dB 700 to 2600 MHz Black Yes
4G-CAB-ULL-50 50 ft (15 m) 4.2 dB 700 to 2600 MHz Black Yes
CAB-L400-20-TNC-N 20 ft (6 m) 1.75 dB 700 to 2600 MHz Black No
CAB-L400-50-TNC-N 50 ft (15 m) 4.0 dB 700 to 2600 MHz Black No
CAB-L400-20-N-N 20 ft (6 m) 2.75 dB 700 to 2600 MHz Black No
1. Cable can be routed within building plenum spaces.
Table 1-18 Cisco Extension Cables for Use with 4G LTE Antennas  (continued)
Cisco Product Number Cable LengthMaximum Insertion 
Loss Frequency (MHz) Color Plenum Rated?1