ATT DEFINITY Communications System Generic 3 For Single-Carrier Cabinets Instructions Manual

201CR Modem Option Settings
September 1995 Issue 1 
H-5
Table H-5. Options Switch Settings for 201 CR Modem
Option Line Control Board (TP1B)
Description DesignationStrap In 
(Vertical)Strap Out
(Horizontal)
Transmit 
Line Signal 
Level-4 dBm ZE* 1,2,4,8
Switch Setting Digital
Board
(JB4B) 12345 678
Transmitter 
Tim i n gExternal YD O
Automatic 
AnswerDTR-Controlled
 OnlyYF* X
Grounding Signal Ground 
Connected to 
Frame GroundYK* Install 
E1-E 2
Function of 
Electronic 
Industries 
Association
Interface...

O ption Switch Setting s
H-6September 1995 Issue 1  
202SR Modem Option Settings
When the 202SR modem is used with a modular trunk data module, set the 
options on the modular trunk data module as shown in Table H-6. Options on the 
202SR modem are shown in Table H-7. When used for modem pooling, all 
factory-furnished o ptions are used except option YI must be selected instead of 
option YJ. 
Table H-6. Option Switch Settings on Modular Trunk Data 
Module Used With 202SR Modem
Switch Setting
1200 b au d...

202SR Modem Option Settings
September 1995 Issue 1 
H-7
Table H-7. Option Switch Settings for 202SR Modem
S4 Switch Contact Setting On Transmitter-Receiver
Option Output
level
dBmWithout Reverse Channel With Reverse Channel
Description Designation 1 2 3 456712345 67
Tra nsm it
Line Sig nal
Le velZO* -4 XXXXXXXXXXXX XX
Soft 
Turnoff SquelchS2 Switch Contact Setting On 
Transmitter-Receiver
12345678 90
Soft Turnoff 
an d  
Squelch 
IntervalsR* 24  
milli-
seconds156 
milliseconds--XX--------O--O
Fast...

O ption Switch Setting s
H-8September 1995 Issue 1  
Option S3 Switch Contact Setting
Description Designation123456
Tra nsm it 
OnlyYH* Out -- -- O -- -- --
Echo 
Suppressor 
EnableYR* Out -- -- -- X -- --
Carrier 
Controlled  
TurnaroundYS* In ----------O
Early 
Country 
Code (Data 
Se t Re a d y) 
IndicationYV* Out -- -- -- -- X --
Grounding 
OptionScrew Switch Setting On Interface Circuit
ZG* Signal Ground Connected 
to Frame  GroundScrew Switch S1 Closed on Data Mounting
X =Contact closed
-- =...

208BR Mo dem O ption Settings
September 1995 Issue 1 
H-9
208BR Modem Option Settings
When the 208BR modem is used with a modular trunk data module, set the 
options on the mo dular trunk data module as shown in Table H-8. Options for the 
208BR mo dem are shown in Table H-9. When used for modem pooling, all 
factory-furnished options are used except option YD must be selected instead of 
option YC, and option YM must be selected instead of option YN. 
Table H-8. Option Switch Settings on Modular Trunk...

O ption Switch Setting s
H-10Septemb er 1995 Issue 1  
Table H-9. Option Switch Settings for 208BR Modem
Option Switch
Description DesignationOutput
Level
dBm S1A S1B S1C S2A
Transmit Line 
Signal LevelZE* -4 DOW N UP DO WN U P
Switch Option Strap Position
Compromise 
Equalizer 
(4-dB Slope)WU * S2B U p
S2C U p
Data Set  Ready 
(DSR ) on for Analog 
Loop ModeYM S3 A U p
Automatic Answer YP* S3B Down
Transmitter 
Externally Time dYD S3 C U p
S4A** U p
Down*
S4B** U p
Down*
RS-CS Interval of 
50...

Asynchronous 212AR Modem O ption Setting s
September 1995 Issue 1 
H-11
Asynchronous 212AR Modem Option 
Settings
When the asynchronous 212AR modem is used with a modular trunk data 
module, set the options on the modular trunk data module as shown in Table 
H-10. Options on the asynchronous 212AR modem are shown in Table H-11. 
When used for modem pooling, all factory-furnished options are used with the 
following exceptions: 
nSelect option XJ instead of option XK.
nSelect option YE instead of option...

O ption Switch Setting s
H-12Septemb er 1995 Issue 1  
Table H-11. Option Switch Settings for Asynchronous 212AR 
Modem
Switch Setting
Feature Option DescriptionS1 Switch Controls
123
Tip, Ring, 
Make BusyE* OUT O - - --
Country Code 
(CC) Indication 
for Analog LoopZF* ON -- -- X
Switch Contacts
S2 S5
12345678912
Speed Control XJ INTERFACE O----------------
Interface-
Controlled  
Make Busy/ 
Analog  
Loop-CNYE IN --O--------------
Tra nsm itt er 
Ti mi n gYC* INT ERNAL -- - - O O -- -- -- - - --
12 00...

Asynchronous 212AR Modem O ption Setting s
September 1995 Issue 1 
H-13
Feature Option DescriptionS3 Switch Contacts
12345678
CB and CF 
Ind i cationsA* COMMON -- -- X -- -- -- -- --
Send Spac e 
DisconnectT* IN ------X--------
Automatic 
AnswerZH* IN --------X------
Answer Mode 
Ind i cationW* CE OFF ----------O----
Speed Mode YP* DUAL -- -- -- -- -- -- O --
Interface 
Spee d 
Ind i cation 
Clock InputYQ IN -- -- -- -- -- -- -- X
Strapping Options
CN and Test 
Mo d e  
AssignmentsXR CN 1 8,  TM  2 5 I...

O ption Switch Setting s
H-14Septemb er 1995 Issue 1  
Synchronous 212AR Modem Option 
Settings
When the synchronous 212AR modem is used with a modular trunk data module 
(MTDM), set the options on the mo dular trunk data module (MTDM) as shown in 
Table H-10. O ptions on the synchronous 212AR modem are shown in Table 
H-12. When used for modem  pooling, all factory-furnished options are used with 
the following exceptions: 
nSelect option YH instead of option YG.
nSelect option YO instead of option YP....