Verilink AS4000 (34-00244) Product Manual - Manual (Page 93)

Quad DS-1 Module
Verilink AS4000 User Manual 5-5
ESF Registers In accordance with industry standards such as AT&T 54016 and
ANSI T1.403, the Quad DS-1 module allows user access to registers
in which information is stored about circuit performance.
On an ESF T1 facility, the use of CRC-6 error checking allows each
device to have detailed information about circuit performance. The
Quad DS-1 module stores these results for the previous 24 hours
on each of the 4 T1 ports.
Figure 5-5 ESF REgisters Summary Port Selection Menu
ESF status This field defines the status of the T1 line. The status is defined by an eight-digit
number:
FU0000L0
Digit #1 - “F” or “0” where “F” indicates Failed Signal State (FSS) if “U” or “L” is true.
Digit #2 - “U” or “0” where “U” indicates an unavailable signal state.
Digit #3 through #6 and #8 are always “0.”
Digit #7 - “L” or “0” where “L” indicates that the T1 line is in loop.
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Qua Qua Qua Quad d d d T1 E T1 E T1 E T1 ES S S SF reg F reg F reg F regi i i ister ster ster ster s s s summar ummar ummar ummary y y y menu menu menu menu
--- --- --- ---- - - ------ ----- ----- ------ - - ------ ----- ----- ------ - - ------ ----- ----- ------ - - ------ ----- ----- ------ - - ------ ----- ----- -----
Port Port Port Port 1 1 1 1 - Po - Po - Po - Por r r rt #1 t #1 t #1 t #1
Port Port Port Port 2 2 2 2 - Po - Po - Po - Por r r rt #2 t #2 t #2 t #2
Port Port Port Port 3 3 3 3 - Po - Po - Po - Por r r rt #3 t #3 t #3 t #3
Port Port Port Port 4 4 4 4 - Po - Po - Po - Por r r rt #4 t #4 t #4 t #4
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