Page 3
Shielded cables must be used with this unit to ensure compliance with Class A FCC limits. Change or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 61200182L1-1 Async-232 Module User Manual...
Page 4
Async-232 Module User Manual 61200182L1-1...
For remote access applications, ATLAS receives incoming analog or ISDN-based signals from remote users, concentrated onto T1 or primary rate ISDN circuits. These calls are processed and directed to the Async-232 Module via ATLAS’ inter- nal bussing system. As with all ATLAS components, configuration can be accom- plished through a variety of mechanisms, including Telnet or VT-100 emulation.
Chapter 1. Introduction Async-232 Module Specifications ASYNC-232 MODULE SPECIFICATIONS Each port of the Async-232 Module conforms to the specifications given in Table 1-1. Table 1-1. Async-232 Specifications Specification Description Maximum Line Rate 115.2 Kbps Tests Power-on self-test Loopback System self test...
ATLAS chassis. Fasten the thumbscrews at both edges of the Async-232 Module. Connect the DB78 end of the cable to the Async-232 Module, and connect the DB25 connector to the associated devices. Complete installation of the remaining modules and base unit, if necessary, as specified in the Installation chapter of the ATLAS User Manual.
Ring indicator to DTE POWER-UP AND INITIALIZATION When the Async-232 Module is inserted into the ATLAS chassis, the front panel STATUS indicator blinks red, yellow, and green for a time. Previously configured settings for the Async-232 Module are automatically restored upon power-up.
WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five years from the date of shipment if the product does not meet its published specification, or if it fails while in service. For detailed warranty, repair, and return information, refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure (see the last page of this manual for pertinent information).
Page 16
Chapter 2. Installation Warranty and Customer Service Async-232 Module User Manual 61200182L1-1...
Operation Chapter 3 OVERVIEW You can configure and control the Async-232 Module from a variety of sources, as shown in Table 3-1. Table 3-1. Managing the Async-232 Module Source Purpose ATLAS front panel Minimal configuration and status reporting Terminal menu...
Displays the module type installed in the slot or the module type you plan to install in the slot. If an Async-232 Module is installed, the Type field automati- cally defaults to Async-16. You can use this field to preconfigure a system before installing modules by specifying the module that you want to install into each slot.
Displays whether there is an alarm condition on the Async-232 Module. Press Enter in this field to activate the Alarm menu. Test Read security: 5 Displays whether the Async-232 Module is executing a test. Press Enter in this field to activate the Test menu. State Read security: 5 Displays whether the module is online or offline.
Async-232 Module Submenus Info ASYNC-232 MODULE SUBMENUS Figure 3-2 shows the Menu options available for the Async-232 Module. The fol- lowing paragraphs describe these options. (Some submenu headings are abbrevi- ated in the Terminal menu when displayed in column mode.) Figure 3-2.
Chapter 3. Operation Signal Status Board Revision Read security: 5 Displays the printed circuit board revision of the Async-232 Module in a read- only field. Firmware Revision Read security: 5 Displays the revision of the coprocessor firmware on the module in a read-only field.
In all fields, the RX direction refers to data flow from the Async-232 Module ports towards the DTE. The TX direction refers to data flow from the DTE towards the Async-232 Module ports. Statistics are kept since the last powerup or reset statistic command.
Resets all the statistics for a specific port. Session Status Session Status fields display the status of any dial-in or dial-out call for all ports of the Async-232 Module (see Figure 3-6). Descriptions of the available fields fol- low. Figure 3-6. Session Statistics Panel...
Page 24
Async-232 Module Submenus Session Status Ring An incoming call has been routed to the Async-232 module port. The call has not yet been answered and the call type is not known. Modem Ringing An incoming analog call has been routed to the port but has not yet been answered.
Page 25
Displays a string indicating the reason the last call was disconnected from the port. Disconnect reason messages may also be logged in the ATLAS Event Log or remotely via Syslog by setting the Async-232 severity threshold to Normal or lower. The following fifteen status messages may be present: None No call is active on the port.
All fields are read and write, although the availability of some fields depends on options chosen in other fields. The Async-232 Module port data format assumes 8 data bits, no parity, and 1 stop bit (8N1).
Page 27
DTE Bit Rate Write security: 3; Read security: 5 Selects the bit rate used at the connector between the Async-232 Module port and the DTE. Changing this field hangs up a connected call and requires confirma- tion. Selectable values range from 300 to 115.2 Kbps. Higher bit rates normally require hardware flow control.
Page 28
DTE for an incoming call to be answered. If the port is part of a group assigned in the Dial Plan, then the first idle port with DTR active will answer the call. If the DTE drives DTR inactive, the Async-232 Module port hangs up an active call.
Page 29
An outgoing call attempts to allocate a modem resource and make Modem an analog call. Asynchronous data is passed unmodified between the Async-232 Module port and the allocated modem. The analog modem resource is freed when the call is hungup. ISDN PPP An outgoing call attempts to allocate an ISDN resource and make a digital call.
Page 30
Selected options are issued to the modem when it is allocated to answer an incoming call or initiate an outgoing call. Some options imply a negotia- tion with the remote modem. These modem options may also be specified through the AT command interface if enabled. 3-14 Async-232 Module User Manual 61200182L1-1...
Loopback can be Enabled or Disabled for a port with this field. When Enabled, all data received from the DTE by the Async-232 Module port is transmitted back to the DTE. Loopback state is not saved in the module configuration; and, if the card is hot swapped or the ATLAS system restarted, loopback is disabled on all ports.
Page 32
Chapter 3. Operation Async-232 Module Submenus Test 3-16 Async-232 Module User Manual 61200182L1-1...
232 Module. The Dial Plan menus are only accessible when using terminal mode. To access these options, select Dial Plan from the top level menu. An Async-232 port or range of ports must be assigned in the Dial Plan before it may be used to answer incoming or initiate outgoing calls.
Ports Available Indicates which of the Async-232 Module’s 16 ports have already been defined in another switched end point (indicated by “s”). Ports which are defined in the cur- rent switched end point are indicated with “!”. Available ports are indicated by a single digit number representing the last digit of the port number.
Page 35
Async-232 Module Interface Configuration Appendix A. Dial Plan Interface Configuration Source ID (e.g., 7) to Port 1 of the module, and then configure Port 4 to accept calls from the unique Source ID (7) only. 61200182L1-1 Async-232 Module User Manual...
Page 36
Appendix A. Dial Plan Interface Configuration Async-232 Module Interface Configuration Async-232 Module User Manual 61200182L1-1...
AT command mode is not enabled. If the Async-232 Module port is connected to a DTE that echoes all received charac- ters, perhaps as part of a text menu interface, it may be useful to change the escape character or turn it off to prevent entering command mode based on an escape sequence received from a remote modem.
Page 38
USING AT COMMAND SET S-REGISTERS Part of the Async-232 Module port configuration can be viewed or changed with S-registers. See the S-Register List section for a description of supported S-regis- ters.
P=2 as above selects ISDN PPP C=1 selects Data 64K C=2 selects Data 56K C=3 selects Audio 3.1KHz C=4 selects Speech ATDT and ATDP prefixes result in the same dialing behavior as ATD. 61200182L1-1 Async-232 Module User Manual...
Page 40
Verbose result code form (default) Extended Result Codes Simple CONNECT message CONNECT with DTE Bit Rate message (default) Data Compression Control No Compression MNP5 V.42bis V.42bis and MNP5 (default) Error Correction Control Disabled Disabled Auto reliable link mode (default) Async-232 Module User Manual 61200182L1-1...
Page 41
Causes any existing call to be hung up. Like any of the other AT command val- ues, this change will not be reflected in the controller menus or saved to NVRAM until the modem configuration is saved (&W). 61200182L1-1 Async-232 Module User Manual...
Page 42
1 second. If it is set to 0, then no guard time is required to escape to command mode; any timed sequence of three escape characters will immediately cause command escape. Async-232 Module User Manual 61200182L1-1...
Failure Messages Appendix C Module Failure If the Async-232 Module fails to power on correctly, the board status under mod- ule menus indicates Not Ready or No Response. The board status indicates Not Ready for a few seconds after insertion while booting.
Page 44
Appendix C. Failure Messages FLASH Invalid Async-232 Module User Manual 61200182L1-1...
Page 45
3-12 tests 1-2 port name 3-11 AT commands B-1 configuring system before installation 3-2 &V 3-10 configuring the Async-232 Module 3-1 3-10 &W 3-11 connector pinout 2-2 command echo B-4 contents of shipment 2-1 command help B-3...
Page 46
3-4 number of bytes initialization 2-2 received 3-6 installed module information 3-4 transmitted 3-6 installing the Async-232 Module 2-1 parity errors 3-6 last disconnect reason part number 3-4 call error 3-10 physical description, Async-232 Module 1-2 call rejected - busy 3-10...
Page 47
2-1 DTE local loopback 3-15 signal status submenu 3-5 tests DCD 3-6 power up 2-2 DSR 3-5 TX direction 3-6 DTR 3-5 type menu 3-2 RI 3-6 RTS 3-5 slot menu 3-2 warranty 2-3 61200182L1-1 Async-232 Module User Manual Index-3...
Index Index-4 Async-232 Module User Manual 61200182L1-1...
Page 49
(888) 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is needed, Technical Support will coordinate with the Customer and Product Service (CAPS) department to issue an RMA number. For information regarding equipment currently in house or possible fees associated with repair, contact CAPS directly at...
Need help?
Do you have a question about the Async-232 and is the answer not in the manual?
Questions and answers