3Com S21x Switch User Manual


 
2-8 Installing the PathBuilder S21x Switch Hardware
Cabling the PathBuilder S21x Switch
2 DB25 DIM Site Daugh-
tercard
V.11, V.24, V.35,
V.3 6
DB25-to-DB25
Cable
V.11, V.35 and V.36 -
Max. sync speed 2
mpbs
V.24 - Max. sync
speed 80 kpbs, Max
async speed 115.2
kbps
Selectable
DIM Site Daugh-
tercard
DSU DIM
DSU/EIM Cable
Assembly and
Lease Line Telco
Cable shipped with
Integral DSU only
DSU - 56 kbps DTE DSU
RJ48S DSU
Daughtercard
DSU Telco Cable
shipped with DSU
Daughtercard
DSU -56 kbps DTE DSU
RJ11 Voice Relay
Daughtercard
RJ11-to-RJ11
Cable
N/A N/A
BNC video
connectors
RemoteVu
Daughtercard
BNC-to-BNC
Cable
RJ45 con-
nector
RemoteVu
Daughtercard
RJ45-to-RJ45
Cable
RJ45 Dual FXS
Daughtercard
RJ45-to-RJ45
Cable
3 DB25 V.11, V.24, V.35,
V.36 DIM
DB25-to-DB25
Cable
V.11, V.35 and V.36 -
Max. sync speed 2
mpbs
V.24 - Max. sync
speed 80 kpbs, Max
async speed 115.2
kbps
Selectable
Integral DSU
DIM
DSU/EIM Cable
Assembly and
Lease Line Telco
Cable shipped with
Integral DSU only
DSU - 56 kbps
4 RJ45 CTP Port RJ45-to-DB25
CTP Cable shipped
with PathBuilder
S200 series switch
unit
Max. async speed
115.2 kbps
DCE
Port Connector Interface Cable Required Speed DCE/DTE