Installation Instructions

Chapter 8: QSFP+
This chapter provides installation procedures and specifications for 40 Gigabit Ethernet Quad Small
Form Factor Pluggable plus (QSFP+) transceiver modules.
QSFP+ transceivers
This section describes how to select, install, and remove Quad (4-channel) Small Form Factor
Pluggable plus (QSFP+) transceiver modules.
Use a QSFP+ transceiver or breakout cable for 40 Gigabit per second (Gbps) Ethernet connections.
The Avaya Virtual Services Platform 8000 Series supports QSFP+ transceivers on the following
Ethernet Switch Modules (ESM):
• The Avaya VSP 8200 supports only four 40 Gbps ports on 1/41, 1/42, 2/41 and 2/42.
• The Avaya VSP 8400 ports can be used with QSFP+ transceivers depending on the type of
Ethernet Switch Modules (ESM) installed. For information on ESM types for VSP 8400, see
Installing the Avaya Virtual Services Platform 8000 Series.
• The Avaya VSP 7200 Series supports 40 Gbps QSFP+ transceivers on ports 2/1–2/6.
The Avaya VSP 4000 does not support 40 Gbps QSFP+ transceivers because the VSP 4000
devices do not have any QSFP+ ports. However, the VSP 4000 series supports the four SFP+ 10
Gigabit ends of the Direct Attach Breakout Cable (BOC) assembly.
Important:
• The VSP switches operate in strict mode for QSFP+ transceivers, which means that the
switch will not bring the port up operationally when using non-Avaya QSFP+ transceivers.
• The VSP switches operate in forgiving mode for QSFP+ direct attach cables (DAC), which
means that the switch will bring up the port operationally when using non-Avaya direct
attach cables. Avaya does not provide support for operational issues related to these
DACs, but they will operate and the port link will come up.
Note:
Although VSP 8000 and VSP 7200 Series support 10 Gigabit and 40 Gigabit DAC
cables in forgiving mode, the output to the command show pluggable-optical-
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