ADTRAN DSU III S4W Card Type CSU/DSU Chip Set Unidentified Transfer Rate 56Kbps Data Bus External [Image] CONNECTIONS Function Label Function Label ENTER button B1 3 and C button B13 UP button B2 6 and F button B14 DOWN button B3 9 button B15 CANCEL button B4 # and QUICK button B16 1 and A button B5 RS-366 port for dialing CN1 4 and D button B6 RS-232/422 port CN2 7 button B7 V.35 port CN3 * and SHIFT button B8 Line out CN4 2 and B button B9 120V AC power CN5 5 and E button B10 Fuse, 1/2A @ 250V R1 8 button B11 Power switch SW1 0 button B12 DIAGNOSTIC LED(S) LED Color Status Condition RS Green On RTS signal is high RS Green Off RTS signal is low CS Green On CTS signal is high CS Green Off CTS signal is low TD Green On DSU is transmitting data TD Green Off DSU is not transmitting data RD Green On DSU is receiving data RD Green Off DSU is not receiving data CD Green On Carrier signal detected CD Green Off Carrier signal not detected ALM Red On Alarm condition has occurred on CSU ALM Red Off Alarm condition has not occurred on CSU TST Yellow On CSU is in test mode TST Yellow Off CSU is not in test mode Proprietary AT Command Set ANTI-STREAMING Type: Configuration Format: AT [cmds] %Tn [cmds] Description: Selects the anti-streaming function. Command Function %T0 Anti-streaming disabled. %T1 Anti-streaming enabled. AUTO-ANSWER Type: Configuration Format: AT [cmds] _Jn [cmds] Description: Selects whether the DSU will automatically answer incoming calls. Command Function _J0 Auto-answer disabled. _J1 Auto-answer enabled. CD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Controls the behaviour of the Carrier Detect signal. Command Function &C0 CD forced high. &C1 CD normal. &C2 CD forced high except at disconnect. CLOCK SOURCE Type: Configuration Format: AT [cmds] &Xn [cmds] Description: Sets where the DSU will derive the clock source. Command Function &X0 Internal transmit clock used. &X1 External ETC clock used. CTS SIGNAL Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Controls the behaviour of the Clear to Send signal. Command Function &R0 CTS forced high. &R1 CTS follows RTS. &R2 CTS follows CD. &R3 CTS and RTS follow CD. &R4 CTS forced high except at disconnect. CTS DELAY Type: Configuration Format: AT [cmds] _Dn [cmds] Description: Sets the delay from an RTS change to a CTS change. Command Function _D0 Short delay set. _D1 Long delay set. DIAL BACKUP Type: Configuration Format: AT [cmds] _En [cmds] Description: Selects which stored number the Dial Backup function will dial. DSR SIGNAL Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Controls the behaviour of the Data Set Ready signal. Command Function &S0 DSR forced high. &S1 DSR normal. &S2 DSR forced high except at disconnect. &S3 DSR forced high except in test mode. &S4 DSR forced low in test mode. &S5 DSR forced high except at disconnect or in test mode. DTR SIGNAL Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Controls the behaviour of the Data Terminal Ready signal. Command Function &D0 DTR forced high. &D1 Dial the first stored number in virtual mode on high DTR. &D2 DTR normal. &D3 Dial the first stored number on high DTR. &D4 Dial the second stored number on high DTR. FRONT PANEL LOCK Type: Configuration Format: AT [cmds] _Pn [cmds] Description: Selects whether the front panel of the DSU is locked. Command Function _P0 Front panel unlocked. _P1 Front panel locked. ID NUMBER SET Type: Configuration Format: AT [cmds] _N=nn [cmds] Description: Sets an ID number for multipoint applications. INACTIVITY TIMER Type: Configuration Format: AT [cmds] \Tn [cmds] Default: 0 Range: 0 - 90 Unit: 1 minute Description: Sets the amount of time that the modem must be idle before it will disconnect. LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Description: Selects the type of leased line the DSU is connected to. Command Function &L1 DSU is connected to AT&T line. &L2 DSU is connected to Sprint line. LOOPBACK TEST - LOCAL Type: Configuration Format: AT [cmds] _An [cmds] Description: Selects whether the DSU will respond to a request from the DTE for a local loopback test. Command Function _A0 Deny request for local loopback test. _A1 Grant request for local loopback test. LOOPBACK TEST - LOCAL Type: Configuration Format: AT [cmds] _Rn [cmds] Description: Selects whether the DSU will respond to a request from the DTE for a remote loopback test. Command Function _R0 Deny request for remote loopback test. _R1 Grant request for remote loopback test. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] %Kn [cmds] Description: Sets the speed of operation for the local serial port. Command Function %K3 Set speed to 2400bps. %K4 Set speed to 4800bps. %K5 Set speed to 9600bps. %K6 Set speed to 19.2Kbps. %K7 Set speed to 38.4Kbps. %K8 Set speed to 56Kbps for synchronous mode, 57.6Kbps for asynchronous mode. LOOPBACK SPEED Type: Configuration Format: AT [cmds] %Bn [cmds] Description: Sets the speed of operation for the local serial port when performing local loopback testing. Command Function %B1 Set speed to 1200bps. %B2 Set speed to 2400bps. %B3 Set speed to 4800bps. %B4 Set speed to 9600bps. %B5 Set speed to 19.2Kbps. %B6 Set speed to 38.4Kbps. %B7 Set speed to 48Kbps for synchronous mode only. %B8 Set speed to 56Kbps for synchronous mode, 57.6Kbps for asynchronous mode. %B9 Set speed to 64Kbps for synchronous mode only. PASSWORD Type: Configuration Format: AT [cmds] %Pn [cmds] Description: Selects whether the DSU is protected by a password. Command Function %P0 Password disabled. %P1 Password enabled. PASSWORD SET Type: Configuration Format: AT [cmds] %P=xxxx [cmds] Description: Sets the password to xxxx. PASSWORD VERIFY Type: Configuration Format: AT [cmds] %P>xxxx [cmds] Description: Verifies the password as xxxx. REMOTE CONFIGURATION Type: Immediate Format: AT [cmds] %Rn [cmds] Description: Begins remote configuration on profile n. REMOTE CONFIGURATION ALLOWANCE Type: Configuration Format: AT [cmds] &Pn [cmds] Description: Selects whether the DSU will allow remote configuration. Command Function &P4 Remote configuration disabled. &P5 Remote configuration enabled. SCRAMBLER Type: Configuration Format: AT [cmds] _Fn [cmds] Description: Selects whether the DSU encrypts the signal. Command Function _F0 Scrambler disabled. _F1 Scrambler enabled. SERIAL NUMBER SET Type: Configuration Format: AT [cmds] _S=nn [cmds] Description: Sets the DSU’s serial number. SYNC/ASYNC MODE Type: Configuration Format: AT [cmds] &Qn [cmds] Description: Sets synchronous or asynchronous mode. Command Function &Q0 Use asynchronous mode. &Q2 Use synchronous mode. TEST MODES Type: Immediate Format: AT [cmds] &Tn [cmds] Description: Causes the DSU to enter test modes. Command Function &T0 End test in progress. &T1 Begin local loopback test. &T4 Grant remote request for remote loopback test. &T5 Deny remote request for remote loopback test. &T8 Begin local loopback test with test pattern. &T9 Begin test pattern. &T10 Begin local DTE loopback test. &T11 Begin RX/TX only local DTE loopback test. TEST PATTERN Type: Configuration Format: AT [cmds] _Tn [cmds] Description: Selects which test pattern the DSU will use. Command Function _T0 Use 2047-byte pattern. _T1 Use 511-byte pattern. _T2 Use DDS Stress Pattern 1. _T3 Use DDS Stress Pattern 2. _T4 Use DDS Stress Pattern 3. _T5 Use DDS Stress Pattern 4. Proprietary V.25bis Command Set AT COMMAND EXECUTE - LOCAL Type: Immediate Format: CNLxxx;AT[AT cmds] Description: Executes an AT command. The password must be provided if necessary. AT COMMAND EXECUTE - REMOTE Type: Immediate Format: CNRxxx;AT[AT cmds] Description: Executes an AT command on the remote DSU. The password must be provided if necessary.