
INTERCONNECTING THE EQUIPMENT AE/LZB 119 1894 R1A
15
OPTION REQUIRED SETTING
RDL REQUEST DENY
LLINE TX POWER
0 DBM (or as required;
use -15 DBM if line loss
is 0 Dbm)
PHONE JACK SINGLE RJ11
MAKE/BREAK RATIO 39% / 61%
SECONDARY CHANNEL DISABLED
PANEL LOCK
UNLOCK (or as required)
SYNC CLOCK
MASTER = CEC/IMC
modem; SLAVE =
console modem
AUTO HANDSHAKE
ORIGINATE = CEC/
IMC modem;
ANSWER = console
modem
LINE TYPE 4LL
4. Access the modem’s ERROR CONTROL submenu
and set each of the following options to the required
setting:
OPTION REQUIRED SETTING
CONTROL LEVEL V.42
FLOW CONTROL DISABLED
NEGOTIA FALLBACK STAYS ON-LINE
BREAK HANDLING DESTRUCTIVE
5. Access the modem’s AUDIO OPTIONS submenu and
set each of the following options to the required setting:
OPTION REQUIRED SETTING
SPEAKER CONTROL ON UNTIL CONNECTED
SPEAKER VOLUME
7 (or as required)
RING VOLUME
7 (or as required)
6. Maintain all modem S registers per default settings
except set S2 = FF and set S35 = 00.
7. Using the modem’s SAVE TO submenu, save this
modem configuration as PROFILE 0. If necessary,
refer to ZyXEL modem user’s manual for specific
instructions.
8. Using the modem’s RESET submenu, set RESET =
PROFILE 0. This causes the modem to initialize with
the PROFILE 0 configuration established in the
previous steps whenever it is powered-up, or reset via a
DTR signal from the PC.
9. Repeat the above configuration for the second modem
in the modem pair.
Refer to Figure 7A and 7B as necessary and/or the
modem manufacturer’s documentation for cable hook-up
and wiring information.
Other Modems
• •
Modem Options
DCE Rate = 9600
Originate/Answer = Originate (CEC/IMC modem)
Originate/Answer = Answer (C3 Maestro modem)
V.32 Fast Train = Enabled
Auto Retrain = Enabled
Internal/External Clock = Internal
Dial-Up/Leased Line = Leased
2-Wire/4-Wire = 4 Wire
TX Level = (as required; use -15 dBm if line loss is 0 dB)
Dial Backup = Manual
Loop Back Time = 15 minutes
Dial Line = RJ11
Line Current Disconnect = Long
Long Space Disconnect = Enabled
V.22 Guard Tone = Disabled
• •
MNP Options
MNP Protocol = Enabled
Auto Fallback = Enabled (or Normal)
Flow Control = CTS Only
XON/XOFF Pass Through = Enabled
Data Compression = Disabled
Inactivity Timer = Off
Break Control = 5
• •
DTE Options
Synchronous/Asynchronous Data = Asynchronous
DTE Rate = 9600
Character Length = 8 Bits
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