MAI COMPANY CONFIDENTIAL FIELD INFORMATION BULLETIN SERVICE GROUP(S): MICRO,MINI,LARGE MFG: CODEX NACS TYPE(S): N125 MFG. MODEL(S): ALL CATEGORY: COMMUNICATIONS DESC: MODEMS & MUXES *** TABLE OF CONTENTS AS OF 03/29/95 *** FIB 00001.Terminal lockups & lost data with 6015 MUX/3500 DSU on 56 KB06/03/93 FIB 00002.Working config for 3220 modem & 6015 MUX used as dial-up....03/15/95 COMMUNICATIONS-CODEX-ALL----------------------------Table Of Contents Pg01 of 01 FIB 00001 MAI COMPANY CONFIDENTIAL 06/03/93 *** Terminal lockups & lost data with 6015 MUX/3500 DSU on 56 KB line *** SYMPTOM: Terminal hangs, loss of data in communications over a 6015 Codex mux connected to a 56 KB line using a 3500 Codex DSU. FIX: When using this combination over a 56KB trunk line, the following must be done to the DSU: 1) In the "MODIFY DSU" option, set data rate for the actual speed of the trunk line. Do not use "auto" value for data rate. 2) In the "MODIFY PORT" category, set "DTE CON" to "MUXED" and PT1 rate to 19.2. This slows down the transfer rate betweeen DSU and MUX since MUX cannot effectively handle anything faster than 19.2 KB. ORIGINATOR: Mark Bamba COMMUNICATIONS-CODEX-ALL----------------------------FIB001 Pg001 FIB 00002 MAI COMPANY CONFIDENTIAL 03/15/95 *** Working config for 3220 modem & 6015 MUX used as dial-up *** Setup for a remote 3220 modem configured to dial the host when the mux is powered on (DTR transition): ACTIVE PROFILE: DCE SPEED = 00 BPS DTE SPEED = 19200 7O1 B1 E0 L2 M1 Q1 V1 X4 Y0 &C1 &D0 &G0 &M2 &R0 &S1 &T4 &X0 *DM0 &Y0 *BK0 *CA0 *DA1 *DC1 *EC0 *FL1 *LT1 *MD1 *MF0 *MH07 *MS1 *OS0 *PE0 *PT0 *RA0 *RS1 *RT1 *SC1 *SM1 *XC0 *ZD0 S00:000 S01:000 S02:043 S03:013 S04:010 S05:008 S06:002 S07:030 S08:002 S10:014 S12:050 S25:005 S26:001 S30:000 S32:061 S42:050 STORED PROFILE 0: DTE SPEED = 19200 7O1 B1 E0 L2 M1 Q1 V1 X4 Y0 &C1 &D0 &G0 &M2 &R0 &S1 &T4 &X0 *BK0 *CA0 *DA1 *DC1 *EC0 *FL1 *LT1 *MD1 *MF0 *MH07 *MS1 *OS0 *PE0 *PT0 *RA0 *RS1 *RT1 *SC1 *SM1 *XC0 *ZD0 S00:000 S02:043 S06:002 S07:030 S08:002 S10:014 S12:050 S25:005 S26:001 S30:000 S32:061 S42:050 STORED PROFILE 1: DTE SPEED = 9600 7S1 B1 E1 L2 M1 Q0 V1 X4 Y0 &C0 &D0 &G0 &M0 &R0 &S0 &T4 &X0 *BK0 *CA0 *DA1 *DC1 *EC0 *FL1 *LT1 *MD1 *MF0 *MH00 *MS1 *OS0 *PE0 *PT0 *RA0 *RS1 *RT1 *SC1 *SM3 *XC0 *ZD0 S00:000 S02:043 S06:002 S07:030 S08:002 S10:014 S12:050 S25:005 S26:001 S30:000 S32:061 S42:050 TELEPHONE NUMBERS: &Z1 1-xxx-xxx-xxxx (use AT&Z=1-xxx-xxx-xxxx to store the desired number) &Z2 &Z3 &Z4 &Z5 NOTE: After the modem is setup you MUST set it to dumb mode to prevent the modem from disconnecting prematurely during speed negotiation. To do so: AT*DM1 Then cycle power on the modem to get it into dumb mode. (To get back into command mode, hold the TALK/DATA switch down while powering up). .......................................................................... Settings for a remote 6015 multiplexor: *V 01 C PORT: 1/U *VUN C TP ERROR THRESHOLD: 10/ *VUN C NP ERROR THRESHOLD: 10/ *VUN C RE-TX RATE THRESHOLD: 20/ *VUN C BUFF UTILIZATION THRESHOLD: 75/ *VUN C POINT-TO-POINT: Y/ *VUN C NODE NUMBER: 02/ *VUN C OPERATION MODE: F/ *VUN C TP ERROR THRESHOLD: 10/ *C 01 FUNCTION: V *V 01 FUNCTION: C *V 01 C PORT: 1/N *VNP C SPEED: 19200/ COMMUNICATIONS-CODEX-ALL----------------------------FIB002 Pg001 *VNP C ADDRESS A/B: B/ *VNP C MAX FRAME SIZE: 300/ *VNP C SATELLITE LINK: N/ *VNP C X.21 DISC T.O.: 30/ *VNP C SPEED: 19200/ *C 01 FUNCTION: V *V 01 FUNCTION: E *V 01 E PORT: 1 *V 01 E 82/01/01 01:12 TYPE A SUB TYPE 1 TX SPEED 9600 RX SPEED 9600 DATA BITS 7 STOP BITS 1 PARITY O EIA STRAPS HHLHHHL RTS/CTS DELAY 0 DIAGNOSTICS D AUTO ECHO D BREAK LENGTH 20 FLYBACK D FILL PAD CHAR 00 GARBLE CHAR 25 FILL RCG CHAR 1 0D FILL RCG CHAR 2 0A FILL RCG CHAR 3 0C FILL CHAR CNT 1 15 FILL CHAR CNT 2 8 FILL CHAR CNT 3 37 DATA RES IN C DATA RES OUT C XON CHAR 91 XOFF CHAR 13 XON THRSH 11 XOFF THRSH 15 FLOW CL THRSH 8 TX QUOTA 18 RX QUOTA 23 SLOT LENGTH 128 STORAGE ALLOT 15 *V 01 FUNCTION: E *V 01 E PORT: 2 *V 02 E 82/01/01 01:12 TYPE A SUB TYPE 1 TX SPEED 2400 RX SPEED 2400 DATA BITS 7 STOP BITS 1 PARITY O EIA STRAPS HHLHHHL RTS/CTS DELAY 0 DIAGNOSTICS D AUTO ECHO D BREAK LENGTH 20 FLYBACK D FILL PAD CHAR 00 GARBLE CHAR 25 FILL RCG CHAR 1 0D FILL RCG CHAR 2 0A FILL RCG CHAR 3 0C FILL CHAR CNT 1 15 FILL CHAR CNT 2 8 FILL CHAR CNT 3 37 DATA RES IN C DATA RES OUT C XON CHAR 91 XOFF CHAR 13 XON THRSH 5 XOFF THRSH 7 FLOW CL THRSH 5 TX QUOTA 16 RX QUOTA 10 SLOT LENGTH 64 STORAGE ALLOT 8 .......................................................................... Settings for a host (answer) 3220 modem used in a dialup configuration: ACTIVE PROFILE: DCE SPEED = 00 BPS DTE SPEED = 19200 7O1 B1 E0 L2 M1 Q1 V1 X4 Y0 &C1 &D0 &G0 &M3 &R0 &S1 &T4 &X0 *DM0 &Y0 *BK0 *CA1 *DA0 *DC1 *EC0 *FL1 *LT1 *MD1 *MF0 *MH07 *MS1 *OS0 *PE0 *PT0 *RA0 *RS1 *RT1 *SC1 *SM3 *XC0 *ZD0 S00:001 S01:001 S02:043 S03:013 S04:010 S05:008 S06:002 S07:030 S08:002 S10:014 S12:050 S25:005 S26:001 S30:000 S32:061 S42:050 STORED PROFILE 0: DTE SPEED = 19200 7O1 B1 E0 L2 M1 Q1 V1 X4 Y0 &C1 &D0 &G0 &M3 &R0 &S1 &T4 &X0 *BK0 *CA1 *DA0 *DC1 *EC0 *FL1 *LT1 *MD1 *MF0 *MH07 *MS1 *OS0 *PE0 *PT0 *RA0 COMMUNICATIONS-CODEX-ALL----------------------------FIB002 Pg002 *RS1 *RT1 *SC1 *SM3 *XC0 *ZD0 S00:001 S02:043 S06:002 S07:030 S08:002 S10:014 S12:050 S25:005 S26:001 S30:000 S32:061 S42:050 STORED PROFILE 1: DTE SPEED = 9600 7S1 B1 E1 L2 M1 Q0 V1 X4 Y0 &C0 &D0 &G0 &M0 &R0 &S0 &T4 &X0 *BK0 *CA0 *DA1 *DC1 *EC0 *FL1 *LT1 *MD1 *MF0 *MH00 *MS1 *OS0 *PE0 *PT0 *RA0 *RS1 *RT1 *SC1 *SM3 *XC0 *ZD0 S00:000 S02:043 S06:002 S07:030 S08:002 S10:014 S12:050 S25:005 S26:001 S30:000 S32:061 S42:050 NOTE: After the modem is setup correctly you MUST set the modem to dumb to prevent it from disconnecting prematurely during speed negotiation. To set: AT*DM1 Then cycle power to get it into dumb mode (to get back into command mode hold the TALK/DATA switch in while cycling power). .......................................................................... Settings for a host 6015 multiplexor: *C 01 FUNCTION: E *C 02 E PORT: 1 *C 01 E 82/01/01 00:54 TYPE A SUB TYPE 1 TX SPEED 9600 RX SPEED 9600 DATA BITS 7 STOP BITS 1 PARITY O EIA STRAPS HHLHHHL RTS/CTS DELAY 0 DIAGNOSTICS D AUTO ECHO D BREAK LENGTH 20 FLYBACK D FILL PAD CHAR 00 GARBLE CHAR 25 FILL RCG CHAR 1 0D FILL RCG CHAR 2 0A FILL RCG CHAR 3 0C FILL CHAR CNT 1 15 FILL CHAR CNT 2 8 FILL CHAR CNT 3 37 DATA RES IN C DATA RES OUT C XON CHAR 91 XOFF CHAR 13 XON THRSH 11 XOFF THRSH 15 FLOW CL THRSH 8 TX QUOTA 18 RX QUOTA 23 SLOT LENGTH 128 STORAGE ALLOT 15 *C 01 FUNCTION: E *C 01 E PORT: 2 *C 02 E 82/01/01 00:54 TYPE A SUB TYPE 1 TX SPEED 2400 RX SPEED 2400 DATA BITS 7 STOP BITS 1 PARITY O EIA STRAPS HHLHHHL RTS/CTS DELAY 0 DIAGNOSTICS D AUTO ECHO D BREAK LENGTH 20 FLYBACK D FILL PAD CHAR 00 GARBLE CHAR 25 FILL RCG CHAR 1 0D FILL RCG CHAR 2 0A FILL RCG CHAR 3 0C FILL CHAR CNT 1 15 FILL CHAR CNT 2 8 FILL CHAR CNT 3 37 DATA RES IN C DATA RES OUT C XON CHAR 91 XOFF CHAR 13 XON THRSH 5 XOFF THRSH 7 FLOW CL THRSH 5 COMMUNICATIONS-CODEX-ALL----------------------------FIB002 Pg003 TX QUOTA 16 RX QUOTA 10 SLOT LENGTH 64 STORAGE ALLOT 8 *C 01 FUNCTION: C *C 01 C PORT: 1/U *CUN C TP ERROR THRESHOLD: 10/ *CUN C NP ERROR THRESHOLD: 10/ *CUN C RE-TX RATE THRESHOLD: 20/ *CUN C BUFF UTILIZATION THRESHOLD: 75/ *CUN C POINT-TO-POINT: Y/ *CUN C NODE NUMBER: 01/ *CUN C OPERATION MODE: F/ *C 01 FUNCTION: C *C 01 C PORT: 1/N *CNP C SPEED: 19200/ *CNP C ADDRESS A/B: A/ *CNP C MAX FRAME SIZE: 300/ *CNP C SATELLITE LINK: N/ *CNP C X.21 DISC T.O.: 30/ ORIGINATOR: Norm Jones COMMUNICATIONS-CODEX-ALL----------------------------FIB002 Pg004