Cisco Systems OL-12811-01 manual Channelized T1/ISDN PRI with CSU Network Modules

Connecting Cisco ISDN PRI Network Modules to the Network

Channelized T1/ISDN PRI with CSU Network Modules

Figure 7 Connecting a CT1/PRI Module to a T1 CSU

FE–PRI 1FE-1CT1

REMOTE ALARM LOCAL ALARM LOOP BACK CARRIER DETECT

CTRLR 0

				10/100BaseT
COLL	LINK	100Mbps	FDX	EN

CT1/PRI port (DB-15)

T1 serial cable

H7468

T1 CSU

CT1/PRI port (DB-15)

Channelized T1/ISDN PRI with CSU Network Modules

This section provides information about the following network modules for Cisco modular routers:

•1-port channelized T1/ISDN PRI with CSU network module (NM-1CT1-CSU or CPANM-1CT1-CSU) (see Figure 8). This module is also referred to as the 1-port CT1/PRI CSU network module.

•2-port channelized T1/ISDN PRI with CSU network module (NM-2CT1-CSU or CPANM-2CT1-CSU) (see Figure 9). This module is also referred to as the 2-port CT1/PRI CSU network module.

Figure 8 1-Port Channelized T1/ISDN PRI with CSU Network Module

cT1

CSU

REMOTE ALARM LOCAL ALARM LOOPBACK CARRIER DETECT

RX	TX	RX
OUT	IN	MON

CTRLR 0

Monitor and	CT1/PRI CSU
test ports	port (RJ-48)
(Bantam)

EN

H7465

Connecting Cisco ISDN PRI Network Modules to the Network

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