COMSPHERE 3550 Series Data Service Units

Table C-10

(2 of 3)

TDM/Flex Error Messages

Message

Condition

Action

Invalid timing

A TDM/Flex port (Prt1 or Prt2) was previously selected as the source of external timing when the TDM/Flex was enabled. Now, the TDM/Flex is enabled.

Set TxClkSource to any of the valid timing sources (external timing is set to Ext for the DSU (or ExtBU) and/or the DBM).

 

Ext was previously selected as the source

Set TxClkSource to any of the valid timing

 

of external timing when the TDM/Flex was

sources (external timing is set to Prt1 or

 

disabled, and the TDM/Flex is now

Prt2).

 

enabled.

 

 

 

 

No 1.2 @ 56K,64K

A TDM/Flex port is configured for a

Correct the problem in one of two ways:

 

synchronous rate of 1200 bps and the

1. Increase the speed of the port to at

 

DSU rate is set to 56 kbps.

 

least 2400 bps via the DSU path in the

 

 

 

 

PrtSp configuration submenu.

 

 

2. Set the DSU rate to a value less than

 

 

56 kbps.

 

 

 

OnePrt no undspd

Only one TDM/Flex port is active, and an

Disable the port's underspeed

 

attempt is made to configure it for

configuration option via the appropriate

 

underspeed; no underspeed port is

path (DSU or DBM) in the PrtSp

 

required.

submenu.

 

 

 

Port Off Undersp

A TDM/Flex's port is disabled and is also

Correct the problem in one of two ways:

 

set to run underspeed; port that is

1. Set the port speed to any value but

 

disabled cannot run underspeed.

 

Disab in the PrtSp configuration

 

 

 

 

submenu.

 

 

2. Select another synchronous port to run

 

 

underspeed via the appropriate path

 

 

(DSU, DBM, or ExtBU) in the PrtSp

 

 

submenu.

 

 

 

RTS/AnStr Conflc

A port's AntiStreaming and RTS Control

Set RTS Control to DTE via the

 

settings are not compatible.

appropriate path (Prt1 or Prt2) in the MUX

 

For AntiStreaming to be in effect, RTS

submenu.

 

 

 

Control must be set to DTE.

 

 

 

 

RTS/TxCrr Conflc

A port's TxCarrSel (Transmitter Carrier

Set Transmitter Carrier Select (TxCarrSel)

 

Select) and RTS Cntrl (RTS Control)

and RTS Control (RTS Cntrl) to

 

settings are not compatible.

compatible settings via the appropriate

 

When a port's TxCarrSel is set to Cntrl,

path (Prt1 or Prt2) in the MUX submenu.

 

 

 

RTS Cntrl must be set to DTE. When a

 

 

port's TxCarrSel is set to Const, RTS

 

 

Cntrl must be set to FrcOn.

 

 

 

 

C-12

December 1996

3550-A2-GB20-20

Page 116
Image 116
Paradyne 3551 manual Prt2