cc/td/doc
hometocprevnextglossaryfeedbacksearchhelp
PDF

Table of Contents

Channelized T1 ISDN PRI and EI ISDN PRI Network Modules

Channelized T1 ISDN PRI and EI ISDN PRI Network Modules

The channelized T1/ ISDN PRI modules are available with and without a built-in CSU and with one or two ports. The channelized T1/ISDN PRI modules connect to an external CSU. The channelized T1/ISDN PRI CSU modules connect directly to the network. Each of the T1 modules provides up to 24 virtual channels per T1 port.

The channelized E1/ISDN PRI modules are available with one or two E1 ports with balanced or unbalanced interfaces and are compatible with the International Telecommunication Union Telecommunication Standardization Sector (ITU-T) G.703/G.704 specifications. The channelized E1/ISDN PRI modules receive and transmit data bidirectionally at the E1 rate of 2.048 Mbps and provide up to 30 virtual channels per E1 port.

Table 17-254: Platform Support and Minimum IOS Release

Product Number

Cisco 2600

Cisco 3620/40

Cisco 3660

NM-1CT1

NM-1CT1-CSU

NM-2CT1

NM-2CT1-CSU

NM-1CE1B

NM-1CE1U

NM-2CE1B

NM-2CE1U

11.3(4)T

11.1(7)AA

Q1CY2000


Figure 17-149: 1-Port Channelized T1/ISDN PRI Network Module, NM-1CT1

Figure 17-150: 2-Port Channelized T1/ISDN PRI Network Module, NM-2CT1

Figure 17-151: 1-Port Channelized T1/ISDN PRI CSU Network Module, NM-1CT1-CSU

Figure 17-152: 2-Port Channelized T1/ISDN PRI CSU Network Module, NM-2CT1-CSU

Figure 17-153: 1-Port Channelized E1/ISDN PRI Balanced Network Module, NM-1CE1B

Figure 17-154: 2-Port Channelized E1/ISDN PRI Balanced Network Module, NM-2CE1B

Figure 17-155: 1-Port Channelized E1/ISDN PRI Unbalanced Network Module, NM-1CEU

Figure 17-156: 2-Port Channelized E1/ISDN PRI Unbalanced Network Module, NM-2CEU

hometocprevnextglossaryfeedbacksearchhelp
Posted: Wed Sep 27 05:14:57 PDT 2000
Copyright 1989-2000©Cisco Systems Inc.