Parameter Criterion
Single mode or
multimode
Optical module type
l The optical transmitting module of the multitransverse mode is
connected to the multimode fiber.
l The optical transmitting module of the single-longitudinal mode or
multi-longitudinal mode is connected to the single mode fiber.
NOTE
If the optical fiber jumper is used, the connector connected to the device must be
the LC/PC connector, and the connector connected to the remote end must be of
the same type as the remote end interface.
Connector shape
l Cube: SC/PC, LC/PC, and MTRJ/PC
l Column: ST/PC and FC/PC
Table 6-12 Common optical connectors
SC/PC optical connector
LC/PC optical connector
FC/PC optical connector
MTRJ/PC optical connector
ST/PC optical connector
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6.7 E1/T1 Trunk Cables
This section describes the structure and technical specifications of the E1/T1 trunk cable.
Introduction
E1 trunk cables are classified into 75-ohm unbalanced coaxial cables and 120-ohm balanced
twisted pair cables. The connectors of the cables are as follows:
l 75-ohm unbalanced coaxial cable (DB9 to BNC):
– One end provides a DB9 connector.
– The other end provides two BNC connectors.
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description 6 Cables
Issue 03 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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