Interface Attributes
Table 5-77 ISDN S/T interface attributes
Item Description
Connector RJ45
Standards compliance ITU-T I.430, Q.921, Q.931
Rate 192 kbit/s
Bandwidth 0 to 100 MHz
Cable
l TE: standard ISDN S/T interface cables (straight-
through cables)
l NT: ISDN S/T interface crossover cables
Technical Specifications
Table 5-78 describes the technical specifications of the 2BST.
Table 5-78 Technical specifications of the 2BST
Item
Specification
Dimensions
(depth x width x
height)
2BST (SIC): 223.5 mm x 100.1 mm x 19.82 mm (8.8 in. x 3.94 in. x
0.78 in.)
2BST (WSIC): 223.5 mm x 201 mm x 19.82 mm (8.8 in. x 7.92 in. x
0.78 in.)
Maximum power
consumption
16.8 W
Weight 0.3 kg (0.66 lb)
5.6.2 4FXS1FXO-4-Port FXS and 1-Port FXO Voice Interface Card
The 4FXS1FXO is the voice module on the AR routers. It provides five RJ11 interfaces,
including four POTS FXS interfaces and one POTS FXO interface.
NOTE
l An FXS interface is a simulated subscriber line interface and provides access to AT0 loop trunk of the
analog phone, fax, and telephone exchange.
l An FXO interface is a loop trunk interface and provides access to the telephone exchange by using
regular subscriber lines.
Functions and Applications
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description 5 Cards
Issue 03 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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