2
Modem/DSU Commands
2-153
6800-A2-GB31-20
January 1997
For each port of a DATAPHONE II device, the following EIA leads are displayed:
SI
Signal Indicator (only for applicable APL modems)
TR
Transmit Ready (only for applicable DSUs or DDD modems)
SD
Send Data
RD
Receive Data
DM
Data Mode
RS
Request-To-Send
CS
Clear-To-Send
RR
Receiver Ready
TM
Test Mode
SB
Standby Indicator
For each port of a 3600 Series DSU, the following EIA leads are displayed:
TXD
Transmit Data
RXD
Receive Data
RTS
Request-To-Send
CTS
Clear-To-Send
LSD
Line Signal Detect
DTR
Data Terminal Ready
DSR
Data Set Ready
RL
Remote Loopback
LL
Local Loopback
TM
Test Mode
EIA Status Results Form for 3900 Series Modems
The following results form lists device information for the specified device, the applicable set of
leads, and the status of each lead (Figures 2-48 and 2-49).
The results form displays only the RS232 Status screens for 3980, 3981, and 3982 modems.