Raisecom
RC3000-15 (P100R001) Hardware Description
7 PDH cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
55
7.1.2 Version
Card
Version
RC3000-15-8E1
C
7.1.3 Slots
Chassis version
Slot
E.30 and E.20
1–6 and 9–13
7.1.4 Interfaces
Interface type
Table 7-1 lists interfaces on the 8E1 card.
Table 7-1
Interfaces on the 8E1 card
Name
Type
Description
E1 1–8
DB37 male interface
Accessing 8 ways of E1 services
Interface parameter
Table 7-2 lists parameters of the E1 interface on the 8E1 card.
Table 7-2
Parameters of the E1 interface on the 8E1 card
Parameter
Description
Interface type
DB37 male interface
Interface rate
2048 kbit/s
Frequency offset
±50 ppm (±102.4 bit/s)
Interface code
HDB3
Interface impedance
75 Ω for unbalanced interfaces
120 Ω for balanced interfaces
Clock
Master/Slave
Frame structure
Unframed, PCM31, and PCM30
Electrical features
Complying with ITU-T G.703 recommendations
Jitter feature
Complying with ITU-T G.823 recommendations