FRN (Fast Rate Negotiation) Granted (FG)

The count of the granting of the remote modem's change rate (FRN) requests. Each request is an indicator of a changed receiving condition.

FRN Request (FR)

The count of the local modem's requests to change the rate.

Block Retransmitted (BR)

The count of the blocks retransmitted (bad reception on the remote modem).

FCS (Frame Check Sum) Errors (FE)

The count of the FCS errors received (block errors) (bad reception on the local modem).

Link Status Report (ATI2)

During a connection, the modem will record information about link operations. You can use the AT command ATI2 to see the summary, as show in the sample below:

ZyXEL U-MODEM LINK STATUS REPORT

ZyXEL U-MODEM LINK STATUS REPORT

Chars Sent

2420

Chars Received

2420

Octets Sent

950

Octets Received

950

Blocks Sent

13

Blocks Received

13

Blocks Resent

0

Max Outstanding

8

Max Block Size

256

122 Diagnostics & Troubleshooting

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Image 134
ZyXEL Communications U-336R/RE manual Link Status Report ATI2