Table 1-b recommended operating modes, Chapter 1. understanding isdn and the isu 128 – ADTRAN ISU 128 User Manual
Page 22
Chapter 1. Understanding ISDN and the ISU 128
61202.029L2-1
ISU 128 User Manual
7
Table 1-B
Recommended Operating Modes
1.
All asynchronous rates support flow control.
2.
All dial-up modes support front panel, DTR, RS-366, AT command, and V.25 bis dialing
methods.
3.
Rates marked with
f
require flow control.
4.
Given a choice between two protocols, pick the protocol closer to the top of the list.
5.
Multilink PPP supports the same rates as single-link PPP async-sync. Use the recom-
mended rates for PPP async-sync.
Call Type
Protocol
Sync/
Async
Rates Supported (bps)
DIAL-64K
BONDING
Sync
56000
64000
Clear Chan
Sync
48000
56000
64000
PPP
Sync
2400
4800
9600
19200 38400 56000 64000
V.110
Sync
2400
4800
9600
19200 38400
V.120
Sync
9600
19200
38400
48000
Tlink
Sync
2400
4800
9600
19200 56000 64000
SAP
Sync
38400
PPP async-sync
Async
1200
2400
4800
9600
19200 38400 57600
115200
f
BONDING
Async
2400
4800
9600
19200 38400 57600
V.110
Async
1200
2400
4800
9600
19200 38400
v
V.120
Async
1200
2400
4800
9600
19200 38400 57600
115200
f
Tlink
Async
1200
2400
4800
9600
19200
SAP
Async
38400
57600
115200
f
DIAL-56K
BONDING
Sync
56000
Clear Chan
Sync
48000
56000
PPP
Sync
2400
4800
9600
19200 38400 56000
V.110
Sync
2400
4800
9600
19200
V.120
Sync
9600
19200
38400
48000
Tlink
Sync
2400
4800
9600
19200 56000
PPP async-sync
Async
1200
2400
4800
9600
19200 38400 57600
115200
f
BONDING
Async
2400
4800
9600
19200 38400 57600
DSU 57.6
Async
57600
V.110
Async
1200
2400
4800
9600
19200
V.120
Async
1200
2400
4800
9600
19200 38400 57600
115200
f
Tlink
Async
1200
2400
4800
9600
19200
DIAL-64K*2
BONDING
Sync
128000
MPPP
Sync
128000
MPPP
Async
115200
f
BONDING
Async
115200
f
DIAL-56K*2
BONDING
Sync
112000
MPPP
Sync
112000
MPPP
Async
115200
f
BONDING
Async
115200
f
LEASED 64K
Clear Chan
Sync
48000
56000
64000
SAP
Sync
2400
4800
9600
19200 38400
DSU 57.6
Async
57600
SAP
Async
1200
2400
4800
9600
19200 38400 57600
f
115200
f
LEASED 128K Clear Chan
Sync
128000
SAP
Async
57600
f
115200
f