2
INTRODUCTION
This manual covers configuration and operation of all V.34 and V.32bis external and rack mount models.
Since many features discussed in this manual are optional, it is important to verify the specific configuration
of your device before proceeding with installation and configuration. It is suggested that you use the
AT&V
command to verify the capabilities of your device. If the commands associated with an optional feature are
displayed on the last line of your active profile, that feature exists in your device.
FRONT PANEL LIGHTS
MR
Modem Ready
OH
Off Hook
TR
Terminal Ready
CD
Carrier Detect
SD
Send Data
AA
Auto Answer
RD
Receive Data
HS
High Speed
BACK PANEL CONNECTORS
LINE
This RJ-11 connector should be used to connect the modem to a normal dial circuit or a
dedicated 2-wire leased circuit. For those models with the optional 4-wire leased circuit
interface, please refer to the following diagram:
Transmit Pins (TX) = Pins #3 & 4
Receive Pins (RX) = Pins #2 & 5
PHONE
This RJ-11 connector is not present on all models. The phone jack directly parallels the line
connector and allows another device to be connected to the same line as the modem. This
connector is not installed on rack mount versions.
RS-232-C
This connector provides a standard RS-232-C(V.24) interface between the modem and a
wide range of DTE. The following signals are provided.
PIN #
SIGNAL DESCRIPTION SOURCE
NOTES
1
Frame ground
DTE/DCE
2
Transmit Data
DTE
(SD light on front panel)
3
Receive Data
DCE
(RD light on front panel)
4
Request To Send
DTE
5
Clear To Send
DCE
6
Data Set Ready
DCE
(MR light on front panel)
7
Signal Ground
DTE/DCE
8
Carrier Detect
DCE
(CD light on front panel)
12
Speed Indicator
DCE
15
DCE Transmit Clock
DCE
17
DCE Receive Clock
DCE
20
Data Terminal Ready
DTE
(TR light on front panel)
22
Ring Indicator
DCE
24
DTE Transmit Clock DTE
(See &Xn command)
