Cisco Systems OL-12811-01 Bedienungsanleitung Seite 4

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Connecting Cisco ISDN PRI Network Modules to the Network
Channelized T1/E1 PRI Network Modules with G.703
4
Connecting Cisco ISDN PRI Network Modules to the Network
Figure 3 Wetting Current Jumper Locations on Channelized T1/E1 PRI Network Modules with
G.703
Connecting Channelized T1/E1 PRI Network Modules with G.703 to a Network
Warning
For connections outside the building where the equipment is installed, the following ports must be
connected through an approved network termination unit with integral circuit protection: T1
Statement 1044
Figure 4 shows a connection between a channelized T1/E1 PRI network module with G.703 and a
networking device.
Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
connect the 1-port T1/E1 channelized PRI network modules with G.703 (NM-1CE1T1-PRI) and 2-port
T1/E1 channelized PRI network modules with G.703 (NM-2CE1T1-PRI) only to intrabuilding or
nonexposed wiring or cabling. The intrabuilding cable must be shielded and the shield must be grounded
at both ends.
88539
Wetting current
disabled
Wetting current
jumper
J8/J9
1
3
2
1
J9
2
3
Wetting current
enabled
J8/J9
3
2
1
J8
RX
MON
NM-2CE1T1-PRI
CD
LP
RA
LA
T1
E1-B
E1-UNB
EN
AIM
TX
MON
CD
LP
RA
LA
C1
C0
CTLR 1
CTLR 0
T1
E1-B
E1-UNB
1
2
3
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