Required Tools And Equipment For Installation And Maintenance - Cisco 1240 Hardware Installation Manual

Chapter 3 Installation Safety and Site Preparation
D E C . 2 0 1 1 — E F T R E V I E W D R A F T — C I S C O C O N F I D E N T I A L
Table 3-2
Rate (bps)
2400
4800
9600
19200
38400
56000
1544000 (T1)
Asynchronous/Synchronous Serial Module Baud Rates
The following baud-rate limitations apply to the slow-speed serial interfaces found in the
asynchronous/synchronous serial modules:
•
•

Required Tools and Equipment for Installation and Maintenance

The tools and equipment you need for each hardware procedure are described as part of the procedure.
See the following chapters for detailed information on the tools and equipment you must supply for the
procedures described in the following chapters:
•
•
•
•
•
•
See the Cisco Connected Grid modules installation and configuration guides for instructions on how to
install or replace router modules, include the tools and equipment you must supply.
OL-26223-01
Serial Signal Transmission Speeds and Distances
Distance for
EIA/TIA-232
Feet Meters
200 60
100 30
50 15
25 7.6
12 3.7
8.6 2.6
— —
Asynchronous interface—Maximum baud rate is 115.2 Kbps.
Synchronous interface—Maximum baud rate is 128 kbps full duplex
Mounting the Router
Opening the Router Chassis
Installing Battery Backup Units
About Router Antennas
Installing Non-Cisco Modules
Installing the Router

Required Tools and Equipment for Installation and Maintenance

Distance for X.21 and
V.35 Distance for USB
Feet Meters Feet
4100 1250 16.4
2050 625 16.4
1025 312 16.4
513 156 16.4
256 78 16.4
102 31 16.4
50 15 16.4
Cisco 1240 Connected Grid Router Hardware Installation Guide
Meters
5
5
5
5
5
5
5
3-7