Chapter 1 Introduction
14
437mm
2 9
0 m
m
176mm
Long distance access lightning strike static protection characteristic:
Endure 1000V peak voltage between TIP line RING line and ground line, pulse width 10µs, half of peak time, 700µs without
any damage.
1.2.8 ET100 Ethernet Bridge Line Card
Two independent Ethernet over E1 channels:
Connector: RJ-45
Data rate/Duplex:
10/100Mbps, full/half duplex.
Standards: IEEE
802.3,
IEEE802.3u, IEEE802.3X
MDI/MDIX: Auto
Filtering
256 MAC address table
Buffer 340
Packets
Encapsulation HDLC
Packet sizes
64 bytes to 1522 bytes
1.2.9 RS-485/RS-422 Serial Tributary Card
Six Independent Asynchronous RS-485/RS-422 data channels:
Interface:
RS-422 4 wires, RS-485 4/2 wires
Baud rate:
Async mode <= 128K
Bit Error Rate
Less than 10
-10
Connector:
4-pin terminal block x 6
Duplex Full/Half
1.2.10 X.50 Module Line Card
Multiplexes low-speed data onto a single 64Kbps timeslot.
Standard compliance:
ITU-T X.50 Division 3, with 6+2 packetization.
Data rates:
Sync / Async
≤
19.2K.
Data interface:
V.24 (RS-232)
1.2.11 SUB-E1 Line Card (Under Development)
Specification:
same as E1 module
Description:
SUB-E1 Line Card supports Timeslot #0 bypass when USER needs to transmit data with Sa4-Sa8 in Timeslot #0.
NOTE: when enabling Timeslot #0 By-Pass, No CRC4 will pass thru Timeslot #0 (see reference 5.3.9.2)
1.2.12 Power Modules
Input:
/- 15%, /-15% or -48VDC (-40V to -57V)
Power consumption:
approximately 60W
1.2.13 Physical Specifications
Dimensions:
437 x 176 x 290 (Width x Height x Depth mm)
Weight:
~8 kg (including dual power & 8 I/IO cards)
Working environment:
Temperature: 0
°
C ~ 50
°
C
Humidity: 0 ~ 95%
Figure 1.2 ERM-MUX/Plus Physical Dimensions
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