Inter-Relay Communications - GE B90 Instruction Manual

Low impedance bus differential system
Hide thumbs Also See for B90:
Table of Contents

Advertisement

SPECIFICATIONS
SIMPLE NETWORK TIME PROTOCOL (SNTP)
Clock synchronization error:
PRECISION TIME PROTOCOL (PTP)
PTP IEEE Std 1588 2008 (version 2)
Power Profile (PP) per IEEE Standard PC37.238TM2011
Slave-only ordinary clock
Peer delay measurement mechanism
2
PARALLEL REDUNDANCY PROTOCOL (PRP)
(IEC 62439-3 CLAUSE 4, 2012)
Ethernet ports used:
Networks supported:
OTHER
TFTP, SFTP, HTTP, IEC 60870-5-104, Ethernet Global Data (EGD), IEEE C37.118

2.5.9 Inter-relay communications

SHIELDED TWISTED-PAIR INTERFACE OPTIONS
Interface type
RS422
G.703
RS422 distance is based on transmitter power and does not take into consideration the clock source provided by
the user.
LINK POWER BUDGET AND MAXIMUM OPTICAL INPUT POWER
The following specifications apply to filter interface modules manufactured from January 2012.
Emitter, fiber type
820 nm, Multimode
1300 nm, Multimode 62.5/125 μm
1300 nm, Single
mode
1300 nm Laser,
Single mode
1550 nm Laser,
Single mode
The following specifications apply to filter interface modules implemented before January 2012.
Emitter, fiber type
820 nm LED, Multimode
1300 nm LED, Multimode
1300 nm ELED, Single mode
1300 nm Laser, Single mode
1550 nm Laser, Single mode
2-24
<10 ms (typical)
2 and 3
10/100 Mb Ethernet
Typical distance
1200 m
100 m
Cable type
Transmit power Received
62.5/125 μm
-16 dBm
50/125 μm
-20 dBm
-16 dBm
50/125 μm
-20 dBm
9/125 μm
-15 dBm
9/125 μm
0 dBm
9/125 μm
5 dBm
Transmit
Received
power
sensitivity
–20 dBm
–30 dBm
–21 dBm
–30 dBm
–23 dBm
–32 dBm
–1 dBm
–30 dBm
+5 dBm
–30 dBm
Power budget Maximum
sensitivity
-32 dBm
16 dBm
12 dBm
-32 dBm
16 dBm
12 dBm
-32 dBm
17 dBm
-34 dBm
34 dBm
-34 dBm
39 dBm
Power budget Maximum optical
input power
10 dB
–7.6 dBm
9 dB
–11 dBm
9 dB
–14 dBm
29 dB
–14 dBm
35 dB
–14 dBm
B90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: PRODUCT DESCRIPTION
optical input
power
-8 dBm
-8 dBm
-8 dBm
-8 dBm
-10 dBm

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents