NVRAM, see Nonvolatile random access memory

COURIER HIGH SPEED MODEMS

International calls, 4-30 B0, 4-19, C-4

&G, 4-30, C-11

&P, 4-31, C-14

V.21 (S27), B-21

V.23 (S34), B-24 Interrupts, 3-4 IRQs, see Interrupts ITU-T

See V.17, V.21, V.25, V.25 bis, V.27 ter, V.29, V.32, V.32 bis, V.34, V.42, V.42 bis, V.54

Jumpers, 3-5

Kermit protocol, A-7

LAPM

disable (S27), B-22

Last dialed number (DL), 6-8 Leased line

installation, F-15 operations (&L), F-15–F-17

re-establish connection (S44), B-14 LEDs, B-5–B-6

Line feed, ASCII definition (S4), B-14 Line reversals, 6-3

Link

diagnostics (I6), 6-3 Naks, 6-4

rate negotiation, A-1–A-4

speed select (&N), 4-22–4-23, C-13–C-14 timeouts, 6-4

Load

number, IC, xii

options, see DIP switch 10 Local access password, Appendix D Local echo

command mode, (E), 4-13, C-5 (DIP 4), 4-13

online (F), 4-13–4-14, C-5 Locked rate, see Fixed/variable Login attempts allowed

remote (S41), B-14 Loopback tests, Appendix H Loop loss, 6-15

Low performance template settings, B-13

Maintenance, Security, Appendix D Canada, xii

U.S., E-5 –E-6

Make/break ratio (&P), 4-31, C-14 Messages, see Result Codes

MI/MIC closure, G-9 enable (S34), B-24 operations, G-9–G-11 troubleshooting, G-11–G-12

MNP, Microcom Networking Protocol, error control, 4-19

data compression, 4-20

disabling, (S13) B-18, (S15) B-19, (S27) B-22, (S51), B-26

handshaking, A-5 Modify a template, 4-12 Modulation

indicator, 4-17

see Handshake options MR, see LEDs

NO ANSWER, 4-14, 4-15

NO CARRIER, 4-14, 4-15 NO DIAL TONE, 4-14, 4-15

No flow control template settings, B-13 Nonvolatile random access memory

(NVRAM), 4-11 configuration (I5), 6-2 resetting to (Z), 4-13 See DIP switch 10 settings, 6-1

storing phone numbers in (&Zn=s), 4-32 writing to (&W), 4-12

Numeric, see Result Codes