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Service Conditions (cont'd)
8.
Distinctive Ringing - Most modems recognize only a 2-second on, 1-second off ring. This consideration
must be taken into account when defining incoming trunk ringing.
9.
The Reverse or Secondary Channel feature of modems is not implemented on the Modem Pool card.
10.
Speed Select using pin 23 on the EIA RS232 connector is not implemented.
11.
Intelligent or Auto Dial Modems must be strapped for manual operation (if available) to work on the
Modem Pool card.
Interactions
The assignment of MODEM POOLING also involves ASYNCHRONOUS DATA SWITCHING [A-24], DATA
INTERFACE AUTOMATIC ANSWER [D-18], DATA TRANSPARENCY [D-19], CLASS OF SERVICE -
INDIVIDUAL [C-15], LEAST COST ROUTING [L-5], and TOLL RESTRICTION - 3/6 DIGIT [T-7]. Any of
these features programmed incorrectly may cause MODEM POOLING to operate incorrectly. Take special
precautions when programming Attribute Data to the data terminal. This programming will determine which
MODEM POOLING Route will be allowed to the Data Terminal.
Programming
STEP 1:
AMDD - Assign data to characterize the different Modem Route Numbers.
MDM No:
Rt:
919 Modem No: 1
Rt:
920 Modem No: 2
Rt:
921 Modem No: 3
Rt:
922 Modem No: 4
Rt:
923 Modem No: 5
Rt:
924 Modem No: 6
Rt:
925 Modem No: 7
Rt:
926 Modem No: 8
DR:
Data Set Ready On
0: Check
1: Not Checked
2: Supervise
3: Not Supervised
Normally assign Data "0"
R:
Ring Modem (0/1)
0: Not Used
1: Ring Modem
HDX: Half/Full Duplex
0: Half Duplex
1: Full Duplex
2W/4W:2 Wire/4 Wire
0: 2 Wire
NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Modem Pooling - CCIS
M-39
Page 947
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