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SERIES II INTELLIGENT DATA/FAX MODEMS
Switch #3
Enable/Suppress Responses -- "Q"
(Asynchronous Mode/Dial-Up)
In some Asynchronous mode applications, you may want to suppress all
responses from the modem. Place DIP-Switch #3 in the DOWN position
to enable Result Code responses (Q0). Place DIP-Switch #3 in the UP
position, and answer mode is handled without responses and echo
turned off (Q2), but originate is still intelligent.
Enable Responses: Originate/Answer (Q0) = Switch #3 DOWN
Suppress Responses: Answer (Q2) = Switch #3 UP
Factory Default Setting = DOWN
Switch #3
dB Transmission Levels
(Asynchronous/Synchronous Mode/Leased Line)
DIP-Switch #3 adjusts dB transmission levels required by some phone
carriers. Place DIP-Switch #3 in the DOWN position to enable -9 dB
transmission. Place DIP-Switch #3 in the UP position to enable -15 dB
transmission.
-9dB Transmission = Switch #3 DOWN
-15dB Transmission = Switch #3 UP
Factory Default Setting = DOWN
Switch #4
AS/400 Mode
(Synchronous Mode/Leased Line/Dial-Up)
The Series II Modem can function in the IBM AS/400 environment
(appearing like an IBM 5853 modem). First, DIP-Switch #7 must be
placed in the UP position. This establishes an RTS/CTS condition
(state typical for an IBM 5853 modem in half-duplex mode). Next,
place DIP-Switch #4 in the DOWN position. This "spoofs" the Modem
into operating like an IBM 5853 modem in AS/400 applications. DIP-
Switch #4 in the UP position disables this function. Note that the
Modem must be in Command mode to allow AS/400 mode (DIP-Switch
#8 DOWN); and in Synchronous mode (DIP-Switch #12 UP).