3Com 6000 Series Installation Manual page 63

Interface Attributes
Table 5 Interface attributes of 4-port Sync/Async FIC and 8-port Sync/Async FI
Attribute
Connector
Number of Connectors
Interface standard and
operating mode
Minimum Baud Rate
Maximum Baud Rate
Cable
4-port Enhanced Serial FIC (3C13863) 8-port Enhanced Serial FIC (3C13864)
Table 4 Speed and transmission distance of V.24 (RS232)/V.35/X.21 cable
V.24 (RS232) V.35/X.21
Max. transmission
Baud rate (bps) distance (m)
2400 60
4800 60
9600 30
19200 30
38400 20
64000 20
115200 10
- -
When a V.24 cable is used, the baud rate in synchronous mode shall not exceed
64 Kbps.
The interface attributes of 4/8-port Sync/Async FIC are listed in the following table:
Description
Synchronous
DB-28
4 (4-port FIC)
8 (8-port FIC)
V.24 V.35, X. 21,
DTE, DCE DTE
Synchronous
1200 1200
64k 4.096M
V.24
(RS232)
DTE
V.24
(RS232)
DCE
V.35 DTE
V.35 DCE
X.21 DTE
X.21 DCE
Max. transmission distance
Baud rate (bps) (m)
2400 1250
4800 625
9600 312
19200 156
38400 78
56000 60
64000 50
2048000 30
Asychronous
RS-232
DCE
Asychronous
2.048M
63
300
115.2