Cisco 3600 - 24 Port Digital Modem Network Module Guía de instalación Pagina 94

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1-Port and 2-Port Channelized E1/ISDN PRI Unbalanced (75-ohm) Network Modules
Cisco Network Modules Hardware Installation Guide
8-14
1-Port and 2-Port Channelized E1/ISDN PRI Unbalanced
(75-ohm) Network Modules
This section provides information about the following network modules for Cisco modular
routers:
1-port channelized E1/ISDN PRI unbalanced (75-ohm) network module—(Cisco
product number NM-1CE1U or CPANM-1CE1U). (See Figure 8-18.) This module is
also referred to as the 1-port CE1/PRI-U network module.
2-port channelized E1/ISDN PRI unbalanced (75-ohm) network module—(Cisco
product number NM-2CE1U or CPANM-2CE1U). (See Figure 8-19.) This module is
also referred to as the 2-port CE1/PRI-U network module.
Figure 8-18 1-Port Channelized E1/ISDN PRI Network Module (Unbalanced)
Table 8-4 ISDN PRI Network Module LEDs
LED Meaning
REMOTE ALARM Local alarm at remote end of connection
LOCAL ALARM Loss of signal, loss of frame, or unavailability
because of excessive errors
LOOPBACK Controller local loopback
CARRIER DETECT Carrier received on telco link
LOOPBACK
CTRLR 0
EN
cE1-U
PRI
H8499
LOCAL
ALARM
REMOTE
ALARM
CARRIER
DETECT
CE1/PRI-U port
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