NT5D11 and NT5D14 Lineside T1 Interface cards Page 215 of 894

framer slip seconds

loss of frame seconds

It retains the T1 performance statistics for the current hour, and for each hour for the previous 24 hours. Descriptions of each of these performance error counters, and instructions on how to report on them and clear them can be found in “Performance counters and reporting” on page 227.

T1 verification and fault isolation testing

The MMI performs various tests to verify that the T1 is working adequately, or help to isolate a problem to the lineside T1 card, the T1 link, or the CPE equipment. Descriptions of all of these tests and instructions on how to run them can be found in “Testing” on page 229.

Login and password

The MMI can be accessed through a TTY, a PC running a terminal emulation program, or a modem. After installing the MMI terminal and card cables, the MMI firmware can be accessed.

For single card installations, log in by entering:

L<CR>

For multiple card installations connected in a daisy-chain, log in by entering:

L <address>

where the four-digit address is the two-digit address of the IPE shelf as set by dip switch positions (dip switch #1, positions 3-6) on the card (as opposed to the address set in the CS 1000 Release 4.0 software), plus the two-digit address of the card slot that the motherboard occupies. For example, to login to a card located in shelf 13, card slot 4, type:

L 13 4 <CR>

A space is inserted between the login command (L), the shelf address, and the card slot address.

Circuit Card Description and Installation

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Nortel Networks 553-3001-211 manual Login and password, T1 verification and fault isolation testing