Attri
bute
Description
Over
load
optic
al
powe
r
0 dBm -3.0
dBm
-3.0
dBm
-3.0
dBm
-3.0
dBm
-3.0
dBm
-3.0
dBm
-9.0
dBm
Extin
ction
ratio
9 dB 9 dB 6 dB 6 dB 9 dB 8.5 dB 9 dB 8 dB
Fiber
type
Multi-
mode
Single-mode
Technical Specifications
Table 5-72 describes the technical specifications of the 4GEW-S interface card.
Table 5-72 Technical specifications of the 4GEW-S
Parameter
Description
Dimensions (W x
D x H)
201 mm x 223.5 mm x 19.82 mm
Maximum power
consumption
8 W
Weight 0.3 kg
5.6 Voice Interface Card
This section describes the types, functions, applications, appearance, interfaces, and technical
specifications of the voice interface card.
5.6.1 2BST (2-Port-ISDN S/T Voice Interface Card)
The 2BST is the ISDN module on the AR routers and provides two ISDN S/T interfaces, which
transmit voice service.
The 2BST implements the ISDN BRI function and provides the bandwidth of two B channels
and one D channel:
l B channel: provides 64 kbit/s bandwidth and transmits voice service.
l D channel: is a signaling channel and provides 16 kbit/s bandwidth.
l The total bandwidth of two B channels and one D channel is 144 kbit/s.
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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