Cisco 881w Manual

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Figure 3-13 Inserting the 3G Card
Step 2
Open the top of the anti-theft locking bracket, as shown in Figure 3-14.
Figure 3-14 Opening the Anti-theft Locking Bracket
13G card with the Cisco logo facing up4Screw holes for locking bracket
23G express card slot5Pin holes for aligning the locking bracket
3Notches on the 3G card6SIM slot (in HSPA
1 cards only)
1. HSPA =...

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Step 3Slide the opened locking bracket under the 3G card. The locking bracket should align with the notches 
on either side of the 3G card, as shown in Figure 3-15, and the pins on the locking bracket should be 
inserted into the corresponding holes in the router. 
Figure 3-15 Installing the Locking Bracket
13G card3Notch on the 3G card
2Locking bracket
1
23
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Step 4Close the locking bracket, as shown in Figure 3-16.
Figure 3-16 Closing the Locking Bracket
Step 5
Insert the screws, as shown in Figure 3-17, and tighten with a number 2 Phillips screwdriver.
Figure 3-17 Inserting the Screws
Step 6
To connect the antenna to the 3G card, insert the antenna connector into the antenna connector receptacle 
on the 3G card.13G...

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
NoteThe antenna connector receptacle may be located on the left, right, or front of the 3G card, depending 
on your card.
Figure 3-18 and Figure 3-19 show the antenna connected to the 3G card with an SSMB type plug, and 
the antenna with the SMK-TS-9 connector.
Figure 3-18 Antenna connected to the 3G Card with SSMB connector
1Antenna on a cradle3Antenna connector...

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Figure 3-19 Antenna with the SMK-TS- 9 Connector
If you are using an extension cable, you must attach the 3G adapter for extended cable antenna to the 
body of the router. Depending on the SKU ordered, the adapters come with different connectors. 
Ta b l e 3 - 2 lists the different adapters and SKUs supported by each adapter. For instructions on how to 
install the...

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Step 8Remove the protective tape from the adhesive on the bottom of the antenna cradle, then firmly press the 
cradle to the flat surface. 
Installing the 3G Adapter for Extended Cable/Antenna
For better signal and reception, if you are using the Cisco 3G Adapter for Extended Cable/Antenna, 
3G-ACC-SMKTS9-TNC, follow these steps to install it:
Step 1Locate and remove the...

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Step 2Locate the hooks on the adapter as shown in Figure 3-21.
Figure 3-21 Locating the Hooks on the Adapter
Step 3
Align and insert the hooks of the adapter into the air vent holes on the left side router body as shown in 
Figure 3-22.
Figure 3-22 Inserting the Hooks
279122
1
1Hooks on the adapter 
279123
1
1
1Hooks aligned and inserted into the router. 

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Step 4Align the circular adapter hole with the hole on the router chassis from where you removed the screw in 
Step 1 and use the screw to attach the adapter to the router as shown in Figure 3-23.
Figure 3-23 Attaching the Adapter
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
Step 5Connect the extension cable to the 3G card, as described in the “Connecting the 3G Card” section on 
page 3-18. The complete assembly is shown in Figure 3-24.
Figure 3-24 Adapter Connected to 3G Card and Router Chassis
Now the adapter is ready for use with the extension cable.
Ta b l e 3 - 3 lists the loss information for the ultra-low-loss (ULL) LMR 400 cables...

 
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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 3      Connecting the Router
  Cisco 860, 880, 890 Series
NoteAntenna orientation can increase or decrease signal reception due to polarization. Typically, an SP’s 
transmitting antenna on the BTS is a vertically polarized omnidirectional antenna, which means the 
electromagnetic waves are transmitted from it in a vertical plane. Hence, the receiving antenna needs to 
be vertically oriented too in order to receive the best...