
Configuring MCE1 and MCT1 Services
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By default, the signal level is set to 0.0 dB. Set the long-haul or short-haul signal
level for this MCT1 interface according to the length of the cable or as the carrier
specifies, using Site Manager.
See the Signal Level (dB) parameter on page A-31 for information.
Enabling or Disabling the International Bit (MCE1 Only)
By default, MCE1 does not use the international bit in E1 frames. Enable or
disable use of the international bit for testing an MCE1 interface using Site
Manager.
See the International Bit parameter on page A-27 for information.
Running Port Tests
Port tests affect all logical lines associated with a port. Table 7-21 describes the
BERT test commands you can send on any MCT1 or MCE1 port. Table 7-22
describes the loopback commands you can send on an MCT1 port only.
Table 7-21. Send Commands for MCE1 and MCT1 Port Tests
Site Manager Send Command Function
Reset BERT Counters Resets all counters to 0
Insert 1 Error Inserts a single (nonrepeating) error into the bit
stream
Insert 1 Error/1K Inserts a deliberate error into every thousandth
position in the bit stream
Insert 1 Error/1M Inserts a deliberate error into every millionth position
in the bit stream
Disable Insert Error Stops the insertion of deliberate errors into the bit
stream
Note:
FDL loopback command options apply only when the MCT1 line type
is configured as ESF for testing. For more information about FDL loopback
codes, see ANSI T1.408 ISDN Primary Rate - Customer Installation Metallic
Interfaces Layer 1 Specification.
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