Ruijie RSR10 Series Hardware Installation Manual page 74

Chapter 1 Product Overview
NMX-4E1/CE1H and NMX-8E1/CE1H
Humidity
EMC
1.4.5.3
Module Cable
Two types of cables are provided:
 4E1 balanced cable
 4E1 non-balanced cable
The appearances of the above two cables are shown as blow:
 4E1 balanced cable
One end is the DB25 male connector, and the other end is attached with four RJ45
crystal connectors. The characteristic impedance of the cable is 120Ω.
 4E1 non-balanced cable:
One end is the DB25 male connector, and the other end is attached with four pairs of
male BNC connectors. The characteristic impedance of the cable is 75Ω.
1-64
Storage temperature: -40°C ~70°C
Operating humidity: 10%~90%
EMI: GB 9254-1998 Class A
EMS: GB/T 17618-1998
4E1 balanced cable
Installation Manual