Registers

Table 7-9 Saved Command Settings with S16

Bit

Function

Decimal Value

Position

 

 

 

 

 

 

 

0

Local Analog Loopback

0

disabled

 

 

 

 

 

 

1

enabled

 

 

 

 

1

not used

 

 

 

 

 

 

2

Local Digital Loopback

0

disabled

 

 

 

 

 

 

1

enabled

 

 

 

 

3

Remote Digital Loopback status

0

loopback Off

 

(initiated by the remote modem)

1

loopback in

 

 

 

progress

 

 

 

 

4

Initiate Remote Digital

0

disabled

 

 

 

 

 

Loopback

1

enabled

 

 

 

 

5

Initiate Remote Digital

0

disabled

 

 

 

 

 

Loopback with Self-Test

1

enabled

 

 

 

 

6

Initiate Local Analog

0

disabled

 

 

 

 

 

Loopback with Self-Test

1

enabled

 

 

 

 

7

not used

 

 

 

 

 

 

S18=n Test Timer

Range: 0 - 255 seconds

Default: 0 seconds (disables timer)

Sets how long the modem conducts a loopback diagnostic test. Register S18 is available only in normal or direct mode. When S18 is set to 0, type AT&T0 <Enter> to end a test.

CSMIM-T1 Hardware Installation Guide

7-47

Page 173
Image 173
Cabletron Systems CSMIM-T1 manual S18=n Test Timer