Nortel Networks 1000M - Manual (Page 387)

SDI ports 387
Modem port
The preconfigured modem port allows the remote maintenance modem
to be connected without further system programming. This port is
preconfigured as TTY 0 (port 0 on the SSC card) and is programmed for
Maintenance (MTC), Service Change (SCH), and BUG messages.
Enhanced Serial Data Interface (ESDI) port
Port 9 is preprogrammed as an ESDI port and supports Meridian Mail. It
functions as a Command and Status Link with the settings given in
Table 92
"ESDI settings" (page 387) .
Table 92
ESDI settings
Setting Code
BPS 4800
CLOK EXT
IADR 003
RADR 001
T1 10
T2 002
T3 040
N1 128
N2 08
K 7
RXMT 05
CRC 10
ORUR 005
ABOR 005
USER CMS
ENL NO
Telephone tones
The telephone tones in North America are as follows:
• Dial tone: A continuous tone.
• Special dial tone: Three beeps followed by continuous dial tone.
• Overflow tone: Like a busy tone, except faster and higher.
• Relocation tone: A short high-pitched beep that continues for 4
seconds, followed by silence.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
.