Cisco MC3810 Series Quick Start Manual page 9

Install Chassis and Connect Cables (continued)
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E&M
E&M E&M
Connecting Synchronous
Serial Ports
You can connect the serial 0 port to a Frame Relay
network or to user equipment.
You can connect the serial 1 port to user equipment.
Use one of the Cisco serial transition cables (not
included). Select the cable to match both of the
following parameters:
• Signaling protocol:
— EIA/TIA-232
— EIA/TIA-449
— V.35
— X.21
— EIA-530
• Cisco MC3810 serial port operating mode:
— DTE
— DCE
T1/E1
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FXO
E&M
E&M
FXO
Serial 0
Serial 1
port
port
Cisco serial
transition
cables
Cisco MC3810
CSU/DSU
See the Cisco MC3810 Series Multiservice Access
Concentrators Hardware Installation Guide for
information about selecting these cables.
Note: Both serial ports are dark blue.
Step 1
Connect the 60-pin connector of the serial
transition cable to the Cisco MC3810
serial port to be used for this interface.
Step 2
Connect the other end of the serial
transition cable to the CSU/DSU,
synchronous modem, or video codec.
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