Chapter 12: WAN Cards
WAN Applications
SmartBits System Reference 165
Feature Summary of WAN Cards
Refer to Table 12-2 for a summary of WAN features.
Table 12-2 Feature Summary of WAN Cards
Feature WN-3405 WN-3415 WN-3420A WN-3441A WN-3442A
Ports per Card 1 (V.35) 1 1 4 4
Maximum Cards per SMB-
2000 Chassis
20 20 20 10 10
Maximum Line Speed 8.192 Mbps (full-
duplex)
6.144 Mbps (half-
duplex)
T1: (G.703) 1.5444
Mbps
E1: (G703) 2.048
Mbps
T1: 1.5444 Mbps E1: 2.048 Mbps
Maximum Channels per
Port
1 24312431
Loopback N/A Local and remote. Local and remote. Remote Remote
Buildout N/A 100 ohm balanced 120 Ohm balanced
or 75 Ohm
unbalanced
1
0-110 ft
110-220
220-440
440-660
120 Ohm balanced
or 75 Ohm
unbalanced
1.
Network Connection V.35, Winchester
type
RJ-48C RJ-48C: 120 Ohm
balanced; dual 75
Ohm BNC
connector
1
.
RJ-48C RJ-48C: 120 Ohm
balanced; dual 75
Ohm BNC
connector
1
.
Line Framing N/A Super Frame (SF/
D4) or Extended
Super Frame (ESF).
Frame Alignment
Signaling (FAS),
andCRC4Multi-
frame Alignment.
Super Frame (SF/
D4) or Extended
Super Frame (ESF).
Frame Alignment
Signaling (FAS),
andCRC4Multi-
frame Alignment.
Line Encoding NRZ or NRZI B8ZS or AMI HDB3 or AMI B8ZS or AMI HDB3 or AMI
Transmit Clock Internal or external Internal or loop-
timed
Internal or loop-
timed
Internal or loop-
timed
Internal or looped-
timed
Link Management Protols LMI, Annex A, or
Annex D
LMI, Annex A, or
Annex D
LMI, Annex A, or
Annex D
LMI, Annex A, or
Annex D
LMI, Annex A, or
Annex D
Max. Number of PVCs
Supported
128 per port 128 per port 128 per port 1,023 per card 1,023 per card
Protocols Supported PAP and CHAP
authentication.
PAP and CHAP
authentication.
PAP and CHAP
authentication.
PAP an d CHAP
authentication.
Microsoft CHAP.
PAP a nd CH A P
authentication.
Microsoft CHAP.
IP Encapsulation Support Over FR (RFC
1490) or PPP (RFC
1662)
Over FR (RFC
1490) or PPP (RFC
1662)
Over FR (RFC
1490) or PPP (RFC
1662)
Over FR (RFC
1490) or PPP (RFC
1662)
Over FR (RFC
1490) or PPP (RFC
1662)
1 Requires external Balun for impedance matching.