Telos Zephyr Xstream User Manual page 229

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ISDN TIP!
If the line status shows Ready & Ready and you can make calls, but cannot receive calls,
check the following:
-Is the Telco selection in the third TEL menu set correctly? If you have DMS Cust. ISDN
(USA & Canada only) and your Telco is set to Natl. I-1 you may be able to place calls
outgoing calls only.
-Check your MSN/DN 1 & 2 entries in the second TEL menu. If incorrect numbers are
entered here, you won't be able to receive calls If you are in the USA these are required.
Enter the correct DNs.
Modem Status information when ISDN Modem Interface is selected (e.g. during or after an
Xport mode call):
On Hook ‐ POTS mode idle.
Off Hook ‐ Line is in use.
Modem Detected ‐ Modem carrier has been detected and modem training begun.
Connecting. ‐ Modem "handshake start".
Connecting.. ‐ Modem "Ranging" stage is complete.
Connecting... ‐ Modem "Training" stage complete.
Connect ‐ Modem connection is operational.
Connect Lock – Valid MPEG AacPlus data is being received and decoded.
Renegotiation Request ‐ Far end has authorized modem re‐negotiation. Audio will be re‐
established in 3‐5 seconds. Or, far end has dropped the call. Or, modem operation is no
longer possible, system will revert to Phone mode.
Retrain Request ‐ Modem connection will be re‐negotiated.
Modem Lost Sync ‐ Modem connection has been lost; unit reverting to Phone mode
Status words when V.35 Interface is selected:
Inactive – This indicates that no V.35/X.21 clock signal is present on either V.35/X.21
port. Note: The Bit Rate setting in the Codec menu must be set appropriately. The front
panel SYNC light also indicates the presence or absence of clock.
Active ‐ This indicates that a valid V.35/X.21 clock is present on at least one of the two
V.35/X.21 ports.
Conn – This indicates that a Carrier Detect (CD) signal is present for this V.35/X.21
channel. A valid V.35/X.21 clock is also present on one port. A call timer will be
displayed on indicating the length of time CD has been asserted.
USER'S MANUAL
Section 11: THE WORKS – Detailed Menu Reference 217