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Synchronous 212AR Modem Option Settings
September 1995 Issue 1
H-15
Table H-12. Option Switch Settings for Synchronous 212AR
Modem
Switch Setting
Feature Option Description
S1 Switch Contacts
123
Tip, Ring,
Make Busy
E* OUT O -- --
Country Code
(CC) Indication
for Analog Loop
ZF* ON -- -- X
Switch Contacts
S2 S5
12345678912
Speed Control XK* HS BUTTON X----------------
Interface-
Controlled
Make Busy/
Analog
Loop-CN
YE IN --O--------------
Transmitter
Timing
YD EXTERNAL -- -- O X -- -- -- -- --
1200-bps
Operation
YH* SYNCHRONOUS -- -- -- -- X -- -- -- -- X X
Character
Length (Use
With YG)
YJ* 10-BIT -- -- -- -- -- X -- -- --
Receiver
Responds to
Digital Loop
YK* IN ------------O----
Interface
Controlled
Remote Digital
Loop
XL IN -- -- -- -- -- -- -- X --
S3 Switch Settings
12345678
Loss of Carrier
Disconnect
S* IN X--------------
Receive Space
Disconnect
V* IN --X------------
* = Factory furnished X = Contact closed
O = Contact open -- = Contact not applicable
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