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Chapter 4
Configuring Unchannelized mode for the Cisco PA-MC-2T3+
Setting the DSU Mode for the Serial Interface
In interface configuration mode, define the DSU interoperability mode by entering the
dsu mode [0 | 1 | 2 | 3 | 4] configuration subcommand, as in the following example:
router(config-if)# dsu mode 1
Use the
The local DSU mode must match the remote DSU or T3 port configuration. For example, if an ADC
Kentrox DSU is at the remote end of the T3 link, then the local T3 port must be configured for mode 1.
You need to know what type of DSU is at the remote T3 end to find out if it interoperates with the
PA-MC-2T3+. Specify mode 0 for connection from a PA-MC-2T3+ to another PA-MC-2T3+ or a Digital
Link DSU (DL3100). Specify mode 1 for connection from a PA-MC-2T3+ to a Kentrox DSU. Specify
mode 2 for connection from a PA-MC-2T3+ to a Larscom DSU. See
their corresponding bandwidth range.
Also see the
compatibilities.
Mode
0
0
1
2
3
4
If the far end DSU has more than one DTE (HSSI) port, connect to and configure only DTE#1. See
Note
Caution below for Verilink DSUs.
Always connect to and configure HSSI port B on the Verilink HDM2182. Port A is not supported by the
Caution
PA-MC-2T3+.
The PA-MC-2T3+ does not support the Kentrox DSU bandwidth setting of 1.0 mbps. The Kentrox DSU
Caution
speed must be set to 1.5 mbps or greater.
For all DSU modes, the DSU must be configured for the same transmit and receive speeds. Asymmetrical
Caution
transmit and receive speeds are not supported.
OL-3526-05
form of this command to return to the default, 0.
no
"T3 Specifications" section on page 1-3
Table 4-1
DSU
PA-MC-2T3+, PA-2T3+
Other Cisco subrate T3 equipment
Digital Link 3100
ADC Kentrox T3/E3 IDSU
Larscom Access T45
Adtran T3SU 300
Verilink HDM 2182
PA-MC-2T3+ Multi-Channel T3 Port Adapter Installation and Configuration
for information regarding DSU feature
DSU Mode Bandwidth Ranges
Bandwidth Range
22-44210 kbps
300-44210 kbps
1500-35000, 44210 kbps
3100-44210 kbps
75-44210 kbps
1500-44210 kbps
Configuring an Unchannelized T3 Link
Table 4-1
for a list of DSUs and
4-9
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